Diagram sections — 32 (153 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Suburban LT 2014 1500: 75 (bottom right of hvac module) blower motor control module (headliner harness, 105 cm from left sunshade lamp breakout) (right front corner of dash) g200 (under right side of hvac module) blower motor 4b7 5v ref A/c on ind A/c on switch Air temp Air tmp Amb tmp Ambient light/ sunload sensor assembly (top center of dash) B (+) Blwr spd Computer data lines system Defogger system Dfrst val Duct) Evaporator temperature sensor (top right side of hvac assembly) Fresh air ind Fresh air request switch Front defogger ind Front defogger switch Front inside air temperature sensor (left front of headliner) G200 (right front corner of dash) G201 (left end of dash) Gmlan l Gnd Ground Hvac ambient air temperature sensor (right front of engine compt) Hvac control module Ign volt J203 J206 (instrument panel harness, approximately 14 cm from x207 breakout) J325 J328 L air tmp Left i/p junction block (left end of dash) Left temperature control Lf sunld Logic Long wheel base Low ref Mode ctrl Mode down switch Mode up switch Pass sunld Pnk Power distribution system R air tmp Rear defogger ind Rear defogger switch Recir ctrl Recirc Recircu- lation ind Recircu- lation switch Red Rer defg Right i/p junction block (right end of dash) Right temperature control Sens sig Short wheel base Sns sig Spd ctrl Sw sig Tan Temp sig Upper auxiliary air temperature sensor (in auxiliary hvac module upper duct) Upper left air temperature sensor (top left center of dash) Upper right air temperature sensor (top right center of dash) X103 X11 X207 X403 X407 Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Suburban LT 2014 1500: 39 (left side of dash) body control module (bcm) (left side of fan shroud) engine control module (ecm) (lower right front of engine) a/c compressor clutch 4a1 4a2 4a3 4a4 4a5 4a6 4b2 4b3 4b5 4b6 5-volt ref A/c cmprsr fuse 17 10a A/c compressor/ relay Aux hvac-ign fuse 48 10a Coil ctrl Computer data lines system Data bus+ Data bus- E x4 Engine coolant temperature (ect) sensor (front of left cylinder head) b G102 (lower left front of engine) Hot at all times Hot w/ pwr/trn relay energized Hvac batt fuse 39 10a Hvac blwr fuse 70 40a Hvac-ign fuse 55 10a J219 (w/ heated steering wheel) Low ref Pnk Red Right i/p junction block (right end of dash) Rly ctrl Run/ crank relay Sens sig Tan Under- hood fuse block (left side of engine compt) Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Suburban LT 2014 1500: 25 (a/c high pressure hose) a/c refrigerant pressure sensor (bottom left side of hvac module) lower right air temperature sensor (left side of hvac module) lower left air temperature sensor 87a Fan cntrl relay Fan hi relay Fan lo relay Fan-1 fuse 57 40a Fan-2 fuse 60 40a G100 (lower left radiator support) G101 Hot at all times J100 J101 J242 (in hvac wiring harness) Left air temperature actuator (under left side of hvac module) Left cooling fan (behind radiator) Mode actuator (left side of hvac module) Pnk Pwr/ trn relay Recirculation actuator (upper right of hvac module) Right air temperature actuator (top center of hvac module) Right cooling fan (behind radiator) Tan Under- hood fuse block (left side of engine compt) Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Suburban LT 2014 1500: 35 (or pnk) (under auxiliary blower motor) auxiliary blower motor control module 5v ref A10 A11 Auto switch Auxiliary air temperature actuator (rear of auxiliary hvac module assembly) Auxiliary blower motor (upper front of auxiliary hvac module) Auxiliary mode actuator (front of auxiliary hvac module) Blower speed down switch Blower speed up switch Computer data lines system G402 (right "d" pillar) Gmlan Gnd Hot at all times Hvac control module I/p fuse block (left end of dash) Logic Long wheel base Low ref Mde cntrl Mode switch Mtr cntrl Pnk Rear hvac fuse 30a Rear seat audio (rsa) control (w/ rear seat & earphone jacks) Short wheel base Spd ctrl Temp cntrl Temperature down switch Temperature up switch X202 X207 X407 Manual A/C Wiring Diagram (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Manual A/C Wiring Diagram (1 of 4) for Chevrolet Suburban LT 2014 1500: 62 (bottom right of hvac module) blower motor control module (left end of dash) left i/p junction block (right front corner of dash) g200 (under right side of hvac module) blower motor 4a2 4b7 5v ref A/c on ind A/c on switch Air tmp Auxiliary hvac control module B(+) Blower control switch Blwr spd Computer data lines system Defogger system Dfrst val Evaporator temperature sensor (top right side of hvac assembly) Front defogger ind Front defogger switch G200 (right front corner of dash) G201 (left end of dash) Gmlan l Gnd Ground Hvac ambient air temperature sensor (right front of engine compt) Hvac control module Ign volt Interior lights system Interior lights system power distribution system J203 J328 L air tmp Led cntrl Left temperature control Logic Low ref Mode ctrl Mode select switch Mode sig Mtr sig Pnk R air tmp Rear defogger ind Rear defogger switch Recir ctrl Recircu- lation ind Recircu- lation switch Red Rer defg Right i/p junction block (right end of dash) Right temperature control Spd ctrl Sw sig Tan Temp sig Temperature control switch X103 X11 X202 X207 X403 Manual A/C Wiring Diagram (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Manual A/C Wiring Diagram (2 of 4) for Chevrolet Suburban LT 2014 1500: 35 (left side of dash) body control module (bcm) (left side of fan shroud) engine control module (ecm) (lower right front of engine) a/c compressor clutch 4a1 4a4 4a6 4b2 4b3 4b5 4b6 5-volt ref A/c cmprsr fuse 17 10a A/c compressor/ relay Aux hvac-ign fuse 48 10a Coil ctrl Computer data lines system Data bus+ Data bus- Engine coolant temperature (ect) sensor (front of left cylinder head) b G102 (lower left front of engine) Hot at all times Hot w/ pwr/ trn relay energized Hvac batt fuse 39 10a Hvac blwr fuse 70 40a Hvac-ign fuse 55 10a J219 (w/ heated steering wheel) Low ref Pnk Red Right i/p junction block (right end of dash) Rly ctrl Run/ crank relay Sens sig Tan Under- hood fuse block (left side of engine compt) Manual A/C Wiring Diagram (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Manual A/C Wiring Diagram (3 of 4) for Chevrolet Suburban LT 2014 1500: 23 (a/c high pressure hose) a/c refrigerant pressure sensor (not used) 87a Fan cntrl relay Fan hi relay Fan lo relay Fan-1 fuse 57 40a Fan-2 fuse 60 40a G100 (lower left radiator support) G101 Hot at all times J100 J101 Left air temperature actuator (under left side of hvac module) Left engine cooling fan (behind radiator) Mode actuator (left side of hvac module) Pnk Pwr/ trn relay Recirculation actuator (upper right of hvac module) Right air temperature actuator (top center of hvac module) Right engine cooling fan (behind radiator) Tan Underhood fuse block (left side of engine compt) Manual A/C Wiring Diagram (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Manual A/C Wiring Diagram (4 of 4) for Chevrolet Suburban LT 2014 1500: 33 (or pnk) (under auxiliary blower motor) auxiliary blower motor control module 5v ref A10 A11 Auxiliary air temperature actuator (rear of auxiliary hvac module assembly) Auxiliary blower motor (upper front of auxiliary hvac module) Auxiliary mode actuator (front of auxiliary hvac module) Blower speed Computer data lines system Down G402 (right "d" pillar) Gmlan Gnd Hot at all times Hvac control module I/p fuse block (left end of dash) Logic Long wheel base Low ref Mde cntrl Mode switch Mtr cntrl Pnk Rear hvac fuse 30a Rear seat audio (rsa) control (w/ rear seat & earphone jacks) Short wheel base Spd ctrl Temp cntrl Temperature control X202 X207 X407
ANTI-LOCK BRAKES Anti Lock Brake Wiring Diagram, with JD9 (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Anti Lock Brake Wiring Diagram, with JD9 (1 of 2) for Chevrolet Suburban LT 2014 1500: 47 (left end of dash) left i/p junction box 12 v ref 5v ref Abs-1 fuse 61 40a Abs-2 fuse 9 25a Angle sens b Angle sens c Brake pressure modulator valve (bpmv) Brk sens Can h Can l Comm data Computer data lines system Electronic brake control module (ebcm) (left side vehicle frame rail, under driver's seat) G201 (left end of dash) G300 (on 2nd body mount) G302 (under front passenger's seat) Gmlan + Gmlan - Gnd Ground distribution system Hot at all times J300 J301 (chassis harness, 15 cm from breakout to front wheel speed sensor) J302 (w/ rear parking assist) Left front wheel speed sensor (wss) (left front steering knuckle assembly) Left rear wheel speed sensor (wss) (left rear wheel hub assembly) Lf whl sens Low ref Lr whl sens Nca Radio Red Rf whl sens Right rear wheel speed sensor (wss) (right rear wheel hub assembly) Rr whl sens Steering angle sens Steering angle sens a Tan Underhood fuse block (left side of engine compt) Veh spd sig Vss W/ luxury edition W/o luxury edition X115 X202 Yaw & lateral acceleration sensor (under front passenger's seat) Anti Lock Brake Wiring Diagram, with JD9 (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Anti Lock Brake Wiring Diagram, with JD9 (2 of 2) for Chevrolet Suburban LT 2014 1500: 38 12v A11 Abs ind Aux hvac-ign fuse 48 10a Body control module (bcm) (left side of dash) Brake booster vacuum sensor (brake booster unit) Brake fluid level switch (brake fluid reservoir) Brake warning ind Brk sig Cadillac Comm data Computer data lines system Driver information center (dic) display G201 (left end of dash) Gmc/chevrolet Gmlan Hot w/ run/crnk relay energized I/p multi-function switch (gmc/chevrolet) traction control switch (cadillac) Instrument panel cluster (ipc) Interior lights system J201 J219 (w/ steering wheel heater) Logic Nca Park brake switch (base of park brake assembly) Pnk Prk brk sw Right front wheel speed sensor (wss) (right front steering knuckle assembly) Steering angle sensor (base of steering column) Stop lamp switch Tan Traction sw Underhood fuse block (left side of engine compt) Vehicle dynamics ind X115 X201 X202 X205 Anti Lock Brake Wiring Diagram, without JD9 (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Anti Lock Brake Wiring Diagram, without JD9 (1 of 2) for Chevrolet Suburban LT 2014 1500: 49 (left end of dash) left i/p junction box (on 2nd body mount) g300 12v ref 5v ref A11 Abs-1 fuse 61 40a Brake pressure modulator valve (bpmv) Can bus hi Can bus low Comm data Computer data lines system Dimming ctrl Electronic brake control module (ebcm) (left side vehicle frame rail, under driver's seat) G201 (left end of dash) G302 (under front passenger's seat) Gmlan+ Gmlan- Gnd Ground distribution system Heavy duty abs fuse 59 60a Hot at all times J300 J302 Lf wheel sens ctrl Lf wheel sens sig Low ref Lr wheel sens ctrl Lr wheel sens sig Radio Red Rf wheel sens ctrl Rf wheel sens sig Rr wheel sens ctrl Rr wheel sens sig Serial data Steering ang sens a Steering ang sens b Steering ang sens c Steering ang sens sig Steering angle sensor (base of steering column) Tan Underhood fuse block (left side of engine compt) Vss W/ luxury edition W/o luxury edition X115 X201 X202 Yaw & lateral acceleration sensor (under front passenger's seat) Anti Lock Brake Wiring Diagram, without JD9 (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Anti Lock Brake Wiring Diagram, without JD9 (2 of 2) for Chevrolet Suburban LT 2014 1500: 36 12v Abs ind Accessory switch Aux hvac-ign fuse 48 10a Body control module (bcm) (left side of dash) Brake fluid level switch (brake fluid reservoir) Brake ind Brk sig Cadillac Comm data Computer data lines system Driver information center (dic) display G201 (left end of dash) Gmc/chevrolet Gmlan Hot w/ run/crnk relay energized Instrument panel cluster (ipc) Interior lights system J201 J219 (w/ steering wheel heater) Left front wheel speed sensor (wss) (left front steering knuckle assembly) Left rear wheel speed sensor (wss) (left rear wheel hub assembly) Logic Nca Park brake switch (base of park brake assembly) Pnk Prk brk sw Right front wheel speed sensor (wss) (right front steering knuckle assembly) Right rear wheel speed sensor (wss) (right rear wheel hub assembly) Stop lamp switch Tan Trac disabled ind Traction sw Underhood fuse block (left side of engine compt) X202 X205 Trailer ABS Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Trailer ABS Wiring Diagram for Chevrolet Suburban LT 2014 1500: 48 (chassis harness, 13 cm from fuel pump flow control module breakout) j364 (left end of dash) left i/p junction block (or 2250) 5v ref Comm data Computer data lines system Drain wire Enable sig Engine controls system Exterior lights system Front fuel pump & sender assembly (inside primary fuel tank) Fscm fuse 21 20a Fuel pressure sensor (except 6.0l (vin g)) (on fuel rail assembly) Fuel pump ctrl Fuel pump/ trailer brake control module (w/ 10 series) trailer brake control module (w/ 20 series) (on right side frame rail) G300 (on 2nd body mount) G400 (left rear body mount) Gain sig Gmlan + Gmlan - Gnd Hot at all times Hot w/ run/crnk relay energized Ign 1 Interior lights system J300 J360 Low ref Misc ign fuse 43 10a Pnk Power distribution system Press sens sig Rly enable Rly feedback Stop lamp switch Stud 2 fuse 63 30a Tan Tcc brk sig Trailer brake control relay (10 series: under left rear of vehicle) (20 series: under right rear of vehicle) Trailer brake control switch Trailer connector (center rear of vehicle) Trl brk rly Trl brk sig Underhood fuse block (left side of engine compt) W/ 10 series W/ 20 series X123 X205
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Anti-theft Wiring Diagram for Chevrolet Suburban LT 2014 1500: 98 (forward lamp harness, 10 cm into auxiliary fuse block x2 breakout) (left end of dash) left i/p junction block (liftgate harness, approximately 22 cm from liftgate latch assembly breakout) j902 3a7 3b2 6.0l (vin j) Acc Ajar sw sig Auxiliary fuse block (left front of engine compt) B+ low spd gmlan serial data Bcm fuse 10a Body control module (bcm) (left side of dash) Cadillac Chevrolet/gmc Computer data lines system Ddm fuse 15a Dim fuse 10a Dlis fuse 35 2a Driver door latch assembly (driver's door) Driver door lock/window switch Driver information center (dic) display Engine control module (left side of side of fan shroud) Except 6.0l (vin j) Exterior lights system G101 G200 (right front corner of dash) G201 (left end of dash) G303 (base of left "b" pillar) G304 (base of right "b" pillar) G402 (right "d" pillar) Gmlan serial data x2 Gnd Harness,20 cm into auxiliary fuse block x2 breakout) Hdlp rly Headlights system Hood ajar switch (hood latch assembly) Horn rly Horns system Hot at all times I/p fuse block (left end of dash) Ign volt Ignition switch Instrument panel cluster (ipc) Intrus sig J161 J191 J203 J213 J217 J227 J903 Left rear door latch assembly (left rear door) Lf ajar sw Liftgate latch assembly (bottom center of liftgate) Liftgate module (left rear of cargo area) Liftgate sw Liftgate window ajar switch Liftgate window latch assembly (bottom center of lift glass) Lo ref Lo spd gmlan Lock Logic Low spd gmlan serial data Lr ajar sw Nca Passenger door latch assembly (front passenger's door) Passenger door lock/window switch Pdm fuse 15a Power distribution system Prk lp rly Rf ajar sw Right i/p junction block (right x1 end of dash) Right rear door latch assembly (right rear door) Rr ajar sw Run Sec ind Security ind Security indicator lamp Seo b1 fuse 52 15a Sns sig Start Sw sig Tan Theft deterrent module (near ignition switch) Underhood fuse block (left side of engine compt) Vehicle inclination sensor (left kick panel) Vehicle shock sensor (left side of dash) Volt W/ power liftgate W/o power liftgate Wiper/ washer system X103 X2 d X201 X227 X405 X700 X800
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Body Control Modules Wiring Diagram (1 of 3) for Chevrolet Suburban LT 2014 1500: 53 12 volt ref 5 volt ref Acc Ambient lt sens sig Anti-lock brakes system Backup rly Battery + Body control module (bcm) (left side of dash) Courtesy lamp ctrl Cruise control system Cruise ctrl sw sig Dim fuse 10a Exterior lights system Hazard sw left turn sig Hazard sw right turn sig Hazard sw sig Headlamp dim sw sig Headlamp flash to pass sig Headlamp sw headlamp off sig Headlamp sw headlamp on sig Headlamp sw park lamp sig Headlights system Hot at all times I/p fuse block (left end of dash) I/p lamps dim ctrl Ign volt Ignition switch Inadvertent power ctrl Interior lamp sw volt ctrl Interior lamps ctrl Interior lights system J213 Low ref Off Outage detection sig Pnk R tail lamp sig Run Shift interlock system Shift lock sol ctrl Sound systems Sound, transmissions & cruise control systems Start Steer whl ctrl sw sig Tan Tap up/tap down sw sig Tow/haul sw sig Traction ctrl sw sig Transmissions system Wiper sw hi sig Wiper sw low sig Wiper wash sw sig Wiper/washer system Body Control Modules Wiring Diagram (2 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Body Control Modules Wiring Diagram (2 of 3) for Chevrolet Suburban LT 2014 1500: 58 (or 450) (or 7062) 12v ref 5 volt ref Accessory wakeup serial data Anti-theft system Battery + Bcm fuse 10a Body control module (bcm) (left side of dash) Brake sw sig Computer data lines system Cruise control system Cruise ctrl dimm sig Ctsy fuse 15a Drl relay ctrl Engine controls system Exterior lights system Fog lamp relay ctrl Front fog lamp sw sig Front of G103 G201 (left end of dash) Ground Head) Headlamp hi beam relay ctrl Headlights system Hi spd gmlan serial data bus (+) Hi spd gmlan serial data bus (-) Hood ajar sw sig Hot at all times I/p fuse block (left end of dash) I/p lamp dimmer sw sig Indicator dim ctrl Interior lights system Ipc fuse 46 10a Is lamps fuse 10a J106 (6.0l (vin j)) Led dim ctrl Lo spd serial data Low ref Lt stop trn fuse 15a Lt trlr turn sig lamp Network bus Power distribution system Right cylinder Rt frt turn sig lamp ctrl Rt stop trn fuse 15a Rt trlr turn sig lamp Run/crank relay ctrl Security ind ctrl Serial data comm enable Stop lamps fuse 15a Tan Underhood fuse block (left side of engine compt) Washer relay ctrl Wiper motor park sw sig Wiper/washer system X209 Body Control Modules Wiring Diagram (3 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Body Control Modules Wiring Diagram (3 of 3) for Chevrolet Suburban LT 2014 1500: 58 (or 1334) (or 1335) Anti-theft system Backup lp ctrl Body control module (bcm) (left side of dash) Brake sig Chmsl ctrl Courtesy lamp ctrl Current sens ctrl Current sens sig Door lk ctrl Door locks system Door unlk ctrl Endgate latch rly cntrl Endgate rly cntrl Exterior lights system Headlamp lo beam relay ctrl Headlights system Hood closed sw sig Horn relay ctrl Horns system Ign volt Ign voltage Instrument cluster system Interior lights system Intrusion sens alarm on sig Intrusion sens armed sig L tail lamp sig Liftgate ajar sw Liftglass release cntrl Liftglass release sig Low ref Lt frt turn sig lamp ctrl Lt rr door ajar sw sig Out of park sig Park brake sw sig Park lamp relay ctrl Pnk Power distribution & wiper/washer systems Power distribution system Power windows system Pwr win mstr sw lkout rear sig Pwr win mstr sw lkout sig Pwr win mstr sw lr dn sig Pwr win mstr sw lr up sig Pwr win mstr sw rr dn sig Pwr win mstr sw rr up sig Rear handle sw open sig Rear wiper sw Rt rr door ajar sw sig Seats system Starting/charging system Stop lamp ctrl Tan Trunk, tailgate, fuel doors system Wiper sw hi sig Wiper sw sig 2 Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 84 (not used) 2 or more of w/ onstar, digital radio & rear seat & earphone jacks radio control 3b1 A10 Assist step control module (left frame rail under driver's door) Audio amplifier (if equipped) (under rear of center console) B (not used) Cadillac Data link connector (dlc) (lower left side of dash) Digital radio receiver Digital radio receiver (if equipped) Driver door lock/ window switch Driver window motor (driver's door) F (not used) G200 (right front corner of dash) G201 (left end of dash) Gmc/ chevrolet serial data gmlan Heated seat control module (if equipped) Hot at all times Hvac control module I/p fuse block (left end of dash) Inflatable restraint passenger presence system (pps) module (under front passenger's seat) Inflatable restraint sensing & diagnostic module (sdm) (under center console) Inside rearview mirror (isrvm) (w/ intelligent high beam control) Instrument panel cluster (ipc) J200 J347 (chassis harness, 7 cm into breakout to left side object sensor) L (not used) Left i/p junction block (left end of dash) Left i/p junction block (left end x1 of dash) Left side object sensor (if equipped) Lin bus Lo spd gmlan serial data Lo spd gmlan serial data lin bus Logic Low speed Low speed gmlan Low speed gmlan serial data Low speed gmlan serial data low speed gmlan serial data Ltr fuse 53 20a Memory seat module (msm) (under driver's seat) Passenger door lock/ window switch Passenger window motor (front passenger's door) Power distribution system Power liftgate module (if equipped) (left rear of cargo area) Radio Rear heated seat module (under left rear seat) Rear object sensor control module (w/ rear parking assist) Rear seat audio (rsa) control Rear seat audio (rsa) control (if equipped) Remote control door lock receiver (rcdlr) (w/o one piece liftgate: center rear of roof) (w/ one piece liftgate: left "d" pillar) Right i/p junction block (right end of dash) Right side object sensor Serial data gmlan Serial data gmlan low speed Splice pack jx200 (left end of dash) Splice pack jx201 (left end of dash) Splice pack jx300 (base of left "b" pillar) Tan Theft deterrent module (tdm) (near ignition switch) Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vehicle communication interface module (vcim) (if equipped) (center of dash) W/ digital radio W/ digital radio, rear seat & earphone jacks radio control W/ luxury edition W/ non-bucket individual front seat W/ onstar W/ rear seat & earphone jacks radio control W/ retractable power running board W/o luxury adition W/o luxury edition W/o non-bucket individual front seat W/o retractable power running board X1 serial data X117 X201 X202 X211 X212 X303 X305 X308 X331 Computer Data Lines Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 49 (chassis harness, approxi- mately 5 cm from g305 breakout) j301 (instrument panel harness, in transfer case shift control module connector breakout) (w/o single speed active transfer case & two speed active transfer case push button) j207 (left side of engine compt) engine control module (ecm) 10 series 20 series 6.0l (vin g) Accessory wakeup serial data Automatic transmission B10 Body control module (bcm) (left side of dash) Control solenoid valve assembly Control w/o bi-state real time damping chassis package Data link resistor Data link resistor 1 (rear chassis crossmember) Electronic brake control module (ebcm) (left side vehicle frame rail,under driver's seat) Electronic compass module (w/ comfort & decor level 3 convenience package) (left rear of headliner) Electronic suspension control (esc) module (left rear of frame chassis) Except 6.0l (vin g) Fuel pump flow control module (w/o integrated trailer brake control) fuel pump/trailer brake control module (w/ integrated trailer brake control) Hi spd gmlan ser data bus (+) Hi spd gmlan ser data bus (-) High speed gmlan serial data bus + High speed gmlan serial data bus + x1 High speed gmlan serial data bus - J104 (engine harness, approximately 15 cm from engine control module connector breakout) Left i/p junction block (left end of dash) Left i/p junction block (left end x10 Lin bus Low speed gmlan serial data Of dash) Serial data comm- unication enable Serial data communication enable Serial data wake up signal Tan Trailer brake control module (on right side frame rail) Transfer case & two speed active transfer case push button Transfer case shift control module (left end of dash) Vehicle communication interface module (vcim) (center of dash) W/ bi-state real time damping chassis package W/ integrated trailer brake control W/ integrated trailer brake control w/o bi-state real time damping chassis package W/ onstar W/ signal speed active W/o bi-state real time damping chassis package W/o integrated trailer brake W/o onstar W/o signal speed active X109 X115
COOLING FAN Cooling Fan Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Cooling Fan Wiring Diagram for Chevrolet Suburban LT 2014 1500: 22 87a Coil ctrl Engine control module (ecm) (left side of fan shroud) Engine coolant temperature (ect) sensor (front of left cylinder head) Fan cntrl relay Fan hi relay Fan lo relay Fan-1 fuse 57 40a Fan-2 fuse 60 40a G100 (lower left radiator support) G101 Hot at all times J100 J101 Left cooling fan (behind radiator) Pwr/ trn relay Right cooling fan (behind radiator) Sens sig Tan Underhood fuse block (left side of engine compt) X1 rly ctrl X2 low ref
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Cruise Control Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 63 (front of right cylinder head) g103 (or 6399) (steering column harness) j216 12v 12v ref 5v ref 5v ref 2 A4 left i/p junction block (left end of dash) Accelerator pedal position (app) sensor (top of accelerator pedal assembly) App sen 1 sig App sen 2 sig Batt + Bcm fuse 10a Body control module (bcm) (left side of dash) Brake sig Brake sw sig Brk sw sig Cadillac Chevrolet & gmc Computer data lines system Cruise control ind dimming sig Cruise control switch signal Cruise ind Ecm batt fuse 12 10a Engine control module (ecm) (left side of fan shroud) Exterior lights system G201 (left end of dash) Gmlan Ground Ground distribution system Hi spd gmlan ser data bus+ Hi spd gmlan ser data bus- Hot at all times Hot w/ run/crank relay energized I/p fuse block (left end of dash) Instrument panel cluster (ipc) Interior lights system Ipc fuse 46 10a J106 Left i/p junction block (left end of dash) Logic Low ref Misc ign fuse 43 10a Pnk Power distribution system Ser data bus+ Ser data bus- Stop lamp switch Tac motor ctrl 1 Tac motor ctrl 2 Tan Throttle body (front of intake manifold) Tp sens 1 sig Tp sens 2 sig Transmissions system Underhood fuse block (left side of engine compt) Vehicle speed sensor (vss) (rear of transmission) Vss hi sig Vss lo sig W/ active 2 speed push button control transfer case W/o active 2 speed push button control transfer case X109 X205 Cruise Control Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Cruise Control Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 27 Automatic transmission B10 Cancel Computer data lines system Control solenoid valve assembly Cruise switch Data bus+ Data bus- In spd sens (iss) sig Inflatable restraint steering wheel module coil (steering column) Input speed sensor (iss) (6 speed a/t) Iss/oss ctrl J127 J217 (steering wheel harness) Left steering wheel control switch Out spd sens (oss) sig Output speed sensor (oss) (6 speed a/t) Pnk Red Replicated tos sig Res+ Set- Sound systems Tan Transmission control module (tcm) Wake up serial data X201
DEFOGGERS Heated Mirrors Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Heated Mirrors Wiring Diagram for Chevrolet Suburban LT 2014 1500: 28 3a7 3b2 Batt pos vol Battery Computer data lines system Ddm fuse 15a Defog ind Driver door lock/window switch Driver outside rearview mirror (if equipped) G200 (right front corner of dash) G201 (left end of dash) Gmlan ser data Ground Heating mirror element ctrl Hot at all times Hvac control module I/p fuse block (left end of dash) Ign J203 Logic Low ref Passenger door lock/window switch Passenger outside rearview mirror (if equipped) Pdm fuse 15a Power distribution system Rear defog switch Right i/p junction block (right end of dash) Serial data Rear Defogger Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Rear Defogger Wiring Diagram for Chevrolet Suburban LT 2014 1500: 27 175a A x1 Automatic a/c Defog ind G102 (lower left front of engine) G304 (base of right "b" pillar) G402 (right "d" pillar) Generator inline fuse Hot at all times Hvac control module Ign J105 J304 J900 Logic Manual a/c Power distribution system Rear defog fuse 50 30a Rear defog relay Rear defog relay ctrl Rear defog switch Rear window defogger grid Underhood fuse block (left side of engine compt) W/ one piece liftgate & liftglass W/o one piece liftgate & liftglass X202 X405
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 42 (above rear chassis crossmember) automatic level control (alc) compressor 5 volt ref Alc exh sol ctrl Alc/comp fuse 58 40a Automatic level control (alc) relay (near underhood fuse block) Automatic level control (alc) sensor Automatic level control (alc) solenoid valve Batt (+) Compressor motor Computer data lines system Damp air pres sens Damping rly ctl Data comm enable Electronic suspension control module (left rear of frame chassis) Esc/alc exh fuse 2 30a G400 (left rear body mount) Gmlan hi spd (+) Gmlan hi spd (-) Ground Hot at all times Hot in run or start Left front shock absorber actuator (top of left front shock absorber assembly) Left rear shock absorber actuator (top of left rear shock absorber assembly) Lf damp ctrl Lf susp pos sens Low ref Lr damp ctrl Lr susp pos sens Pnk Power distribution system Red Rf damp ctrl Rf susp pos sens Right front shock absorber actuator (top of right front shock absorber assembly) Right rear shock absorber actuator (top of right rear shock absorber assembly) Rr damp ctrl Rr susp pos sens Seo/alc fuse 54 10a Tan Underhood fuse block (left side of engine compt) X115 X400 Electronic Suspension Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 45 (or 442) 5v ref A11 Abs-2 fuse 9 25a abs-1 fuse 61 40a Anti-lock brakes system Batt (+) Computer data lines system Electronic brake control module (ebcm) (left side vehicle frame rail, under driver's seat) G300 (on 2nd body mount) Gmlan hi spd (+) Gmlan hi spd (-) Greater than/equal to 8600 lb gvw Ground Hot at all times J300 Left front suspension position sensor (near left front control arm, on frame rail) Left front wheel speed sensor (wss) (left front steering knuckle assembly) Left rear suspension position sensor (forward of rear axle, on left frame rail) Left rear wheel speed sensor (wss) (left rear wheel hub assembly) Less than 8600 lb gvw Lf whl spd sig Lf whl spd sns Lo ref Lr whl spd sig Lr whl spd sns Nca Red Rf whl spd sig Rf whl spd sns Right front suspension position sensor (near right front control arm, on frame rail) Right front wheel speed sensor (wss) (right front steering knuckle assembly) Right rear suspension position sensor (forward of rear axle, on right frame rail) Right rear wheel speed sensor (wss) (right rear wheel hub assembly) Rr whl spd sens Rr whl spd sig St ang sens St angle phase a St angle phase b St angle phase c Steering angle sensor (base of steering column) Tan Tan b Underhood fuse block (left side of engine compt) X115 X201
ENGINE PERFORMANCE
5.3L VIN 0 5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500: 66 (10 series: chassis harness 5 cm from breakout to fuel tank) (20 series: chassis harness 5 cm from breakout to rear fuel pump) (fuel pump flow control module: on right side frame rail) (except 6.0l w/ integrated trailer brake) fuel pump/trailer brake control module (except 6.0l w/o integrated trailer brake) fuel pump flow control module (on 3rd body mount) (w/ 20 series) g305 g400 (w/ 10 series) (left rear body mount) (on fuel rail assembly) fuel pressure sensor (or 239) 5 volt ref 5v ref 5v ref 1 6.0l Accelerator pedal position (app) sensor (top of accelerator pedal assembly) Air conditioning system Bank 1 sens 2 Body control module (bcm) (left side of dash) Brake pedal position (bpp) sensor (top of brake pedal assembly) Brake sw sig Brk sens sig Brk snse sig Computer data lines system Cooling fans system Data bus + Data bus - Engine control module (ecm) (left side of fan shroud) Except 6.0l Extension shld Exterior lights system Fan rly ctrl Front fuel pump & sender assembly (except 6.0l) (inside primary fuel tank) Fuel tank pressure (ftp) sensor (on fuel pump & sender assembly) G103 (front of right cylinder head) Gnd Iat sens sig Ign volt Ign voltage J106 J331 J364 (chassis harness, 13 cm from fuel pump flow control module breakout) Level sens sig Low ref Maf Mass air flow (maf)/intake air temperature (iat) sensor (on engine air cleaner box) Nca P/n sig Pnk Pnk d Pos sens 1 sig Pos sens 2 sig Press sens sig Pump ctrl Relay ctrl Sens sig Serial data Tan Tan a Transfer case & two speed active transfer case push button control Transmissions system W/ active 2 speed push button control transfer case W/ integrated trailer brake W/ single speed active W/o active 2 speed push button control transfer case W/o integrated trailer brake W/o single speed active transfer case & two speed active transfer case push button control X109 X123 X131 X205 X300 5.3L VIN 0, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500: 58 (left side of engine compt) underhood fuse block (not used) x300 (or 821) 5v ref 1 6.0l Air conditioning system Bank 1 sens 2 Bank 2 sens 2 Clutch rly ctrl Cooling fans system Ecm- batt fuse 12 10a Ecm- ign fuse 56 15a Ecm/throt cont fuse 5 15a Enable rly ctrl Eng fuse 4 15a Engine control module (ecm) (left side of fan shroud) Evaporative emission (evap) canister vent solenoid valve (near evap canister) Except 6.0l Fan rly ctrl Fscm fuse 21 20a G103 (front of right cylinder head) Ground Heated oxygen sensor (ho2s) bank 1 sensor 2 (in left exhaust, downstream of catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (in right exhaust, downstream of catalytic converter) Hot at all times Hot w/ run/ crank relay energized Ign Inj-a fuse 24 20a Inj-b fuse 13 20a Ipc fuse 10a J106 Low ref Lvl sens sig Maf sens sig Mil ctrl Nca O2-a snsr fuse 18 10a O2-b snsr fuse 8 10a Pnk Pnk d Power brake Power distribution system Pump rly ctrl Pwr/ trn relay Rly coil ctrl Sig return Speed sig Starting/ charging system Tan Tan a Tcm- batt fuse 14 15a To fuel pump relay diagram (5 of 6) Tos sig Transmissions & cruise control systems Vent sol ctrl W/ hydraulic X131 X300 5.3L VIN 0, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500: 34 (left end of dash) left i/p junction block (lower front of engine) camshaft position (cmp) actuator solenoid valve Aux hvac-ign fuse 48 10a Brake fluid level switch (brake fluid reservoir) Cadillac Computer data lines system Engine oil pressure ind Front fuel pump & sender assembly (6.0l) (inside primary fuel tank) Fuel injectors (top left of engine) Fuel injectors (top right of engine) G201 (left end of dash) G300 (on 2nd body mount) Gmc/chevrolet Gnd Hot w/ run/ crank relay energized Ign Instrument panel cluster (ipc) J219 (w/ steering wheel heater) J300 Logic Malfunction indicator lamp Misc ign fuse 43 10a Pnk Pnk a Power distribution system Rear fuel pump & sender assembly (6.0l w/ auxiliary fuel tank) (inside secondary fuel tank) Serial data Tan Tan b Underhood fuse block (left side of engine compt) X109 X112 X205 X300 5.3L VIN 0, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500: 39 (left side of fan shroud) engine control module (ecm) 5v ref 2 Bank 1 sens 1 Bank 2 sens 1 Camshaft position (cmp) sensor (lower front of engine) Crankshaft position (ckp) sensor (right rear of engine) Duty cycle sig Ect sens sig Engine coolant temperature (ect) sensor (front of left cylinder head) Engine oil pressure (eop) sensor (top rear of engine) Heated oxygen sensor (ho2s) bank 1 sensor 1 (in left exhaust, upstream of catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 1 (in right exhaust, upstream of catalytic converter) Inj 1 ctrl Inj 2 ctrl Inj 3 ctrl Inj 4 ctrl Inj 5 ctrl Inj 6 ctrl Inj 7 ctrl Inj 8 ctrl Knock sensor (ks) 1 (lower left side of engine) Knock sensor (ks) 2 (lower right side of engine) Low ref Manifold absolute pressure (map) sensor (top rear of engine) Nca Pnk Purge sol ctrl Sens 1 sig Sens 2 sig Sol ctrl Sol ctrl 1 Sol ctrl 2 Sol ctrl 3 Sol ctrl 4 Starting/ charging system Tac mtr ctrl 1 Tac mtr ctrl 2 Tan X112 5.3L VIN 0, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Suburban LT 2014 1500: 24 (front of intake manifold) throttle body (ignition coil jumper harness, approximately 3 cm from ignition coil 5 breakout) (lower left front of engine) g102 (top left of engine) evaporative emission (evap) canister purge solenoid valve From pwr/trn relay diagram (2 of 6) Fuel pump fuse 20 20a Fuel pump relay Fuse 175a G102 (lower left front of engine) Generator inline fuse Hot at all times Ignition coils (left side of engine) J105 J107 J108 J109 (ignition coil jumper harness, approximately 5 cm from x111 breakout) Nca Pnk Pnk d Power distribution system Spark plug Tan Underhood fuse block (left side of engine compt) X111 5.3L VIN 0, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500: 42 (mounted to fuse block underhood bracket assembly) (6.0l w/ auxiliary fuel tank) secondary fuel pump relay (top of engine, below intake manifold) valve lifter oil manifold (vlom) assembly 5v ref 1 Bank 1 sens 1 Bank 2 sens 1 Charge ind sig Ckp sens sig Cmp sens sig Cylinder shutoff solenoid 1 Cylinder shutoff solenoid 2 Cylinder shutoff solenoid 3 Cylinder shutoff solenoid 4 E pnk Engine control module (ecm) (left side of fan shroud) Except 6.0l G102 (lower left front of engine) G300 (on 2nd body mount) Ign coil 1 ctrl Ign coil 2 ctrl Ign coil 3 ctrl Ign coil 4 ctrl Ign coil 5 ctrl Ign coil 6 ctrl Ign coil 7 ctrl Ign coil 8 ctrl Ignition coils (right side of engine) J110 J111 J112 (ignition coil jumper harness, approximately 5 cm from x111 breakout) J300 Low ref Map sens sig Nca Pnk Pnk d Pos sens 1 sig Pos sens 2 sig Press sens sig Spark plug Starting/charging system Tan X113
5.3L VIN 7 5.3L VIN 7, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500: 66 (10 series: chassis harness 5 cm from breakout to fuel tank) (20 series: chassis harness 5 cm from breakout to rear fuel pump) (fuel pump flow control module: on right side frame rail) (except 6.0l w/ integrated trailer brake) fuel pump/trailer brake control module (except 6.0l w/o integrated trailer brake) fuel pump flow control module (on 3rd body mount) (w/ 20 series) g305 g400 (w/ 10 series) (left rear body mount) (on fuel rail assembly) fuel pressure sensor (or 239) 5 volt ref 5v ref 5v ref 1 6.0l Accelerator pedal position (app) sensor (top of accelerator pedal assembly) Air conditioning system Bank 1 sens 2 Body control module (bcm) (left side of dash) Brake pedal position (bpp) sensor (top of brake pedal assembly) Brake sw sig Brk sens sig Brk snse sig Computer data lines system Cooling fans system Data bus + Data bus - Engine control module (ecm) (left side of fan shroud) Except 6.0l Extension shld Exterior lights system Fan rly ctrl Front fuel pump & sender assembly (except 6.0l) (inside primary fuel tank) Fuel tank pressure (ftp) sensor (on fuel pump & sender assembly) G103 (front of right cylinder head) Gnd Iat sens sig Ign volt Ign voltage J106 J331 J364 (chassis harness, 13 cm from fuel pump flow control module breakout) Level sens sig Low ref Maf Mass air flow (maf)/intake air temperature (iat) sensor (on engine air cleaner box) Nca P/n sig Pnk Pnk d Pos sens 1 sig Pos sens 2 sig Press sens sig Pump ctrl Relay ctrl Sens sig Serial data Tan Tan a Transfer case & two speed active transfer case push button control Transmissions system W/ active 2 speed push button control transfer case W/ integrated trailer brake W/ single speed active W/o active 2 speed push button control transfer case W/o integrated trailer brake W/o single speed active transfer case & two speed active transfer case push button control X109 X123 X131 X205 X300 5.3L VIN 7, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500: 58 (left side of engine compt) underhood fuse block (not used) x300 (or 821) 5v ref 1 6.0l Air conditioning system Bank 1 sens 2 Bank 2 sens 2 Clutch rly ctrl Cooling fans system Ecm- batt fuse 12 10a Ecm- ign fuse 56 15a Ecm/throt cont fuse 5 15a Enable rly ctrl Eng fuse 4 15a Engine control module (ecm) (left side of fan shroud) Evaporative emission (evap) canister vent solenoid valve (near evap canister) Except 6.0l Fan rly ctrl Fscm fuse 21 20a G103 (front of right cylinder head) Ground Heated oxygen sensor (ho2s) bank 1 sensor 2 (in left exhaust, downstream of catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (in right exhaust, downstream of catalytic converter) Hot at all times Hot w/ run/ crank relay energized Ign Inj-a fuse 24 20a Inj-b fuse 13 20a Ipc fuse 10a J106 Low ref Lvl sens sig Maf sens sig Mil ctrl Nca O2-a snsr fuse 18 10a O2-b snsr fuse 8 10a Pnk Pnk d Power brake Power distribution system Pump rly ctrl Pwr/ trn relay Rly coil ctrl Sig return Speed sig Starting/ charging system Tan Tan a Tcm- batt fuse 14 15a To fuel pump relay diagram (5 of 6) Tos sig Transmissions & cruise control systems Vent sol ctrl W/ hydraulic X131 X300 5.3L VIN 7, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500: 34 (left end of dash) left i/p junction block (lower front of engine) camshaft position (cmp) actuator solenoid valve Aux hvac-ign fuse 48 10a Brake fluid level switch (brake fluid reservoir) Cadillac Computer data lines system Engine oil pressure ind Front fuel pump & sender assembly (6.0l) (inside primary fuel tank) Fuel injectors (top left of engine) Fuel injectors (top right of engine) G201 (left end of dash) G300 (on 2nd body mount) Gmc/chevrolet Gnd Hot w/ run/ crank relay energized Ign Instrument panel cluster (ipc) J219 (w/ steering wheel heater) J300 Logic Malfunction indicator lamp Misc ign fuse 43 10a Pnk Pnk a Power distribution system Rear fuel pump & sender assembly (6.0l w/ auxiliary fuel tank) (inside secondary fuel tank) Serial data Tan Tan b Underhood fuse block (left side of engine compt) X109 X112 X205 X300 5.3L VIN 7, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500: 39 (left side of fan shroud) engine control module (ecm) 5v ref 2 Bank 1 sens 1 Bank 2 sens 1 Camshaft position (cmp) sensor (lower front of engine) Crankshaft position (ckp) sensor (right rear of engine) Duty cycle sig Ect sens sig Engine coolant temperature (ect) sensor (front of left cylinder head) Engine oil pressure (eop) sensor (top rear of engine) Heated oxygen sensor (ho2s) bank 1 sensor 1 (in left exhaust, upstream of catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 1 (in right exhaust, upstream of catalytic converter) Inj 1 ctrl Inj 2 ctrl Inj 3 ctrl Inj 4 ctrl Inj 5 ctrl Inj 6 ctrl Inj 7 ctrl Inj 8 ctrl Knock sensor (ks) 1 (lower left side of engine) Knock sensor (ks) 2 (lower right side of engine) Low ref Manifold absolute pressure (map) sensor (top rear of engine) Nca Pnk Purge sol ctrl Sens 1 sig Sens 2 sig Sol ctrl Sol ctrl 1 Sol ctrl 2 Sol ctrl 3 Sol ctrl 4 Starting/ charging system Tac mtr ctrl 1 Tac mtr ctrl 2 Tan X112 5.3L VIN 7, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Suburban LT 2014 1500: 24 (front of intake manifold) throttle body (ignition coil jumper harness, approximately 3 cm from ignition coil 5 breakout) (lower left front of engine) g102 (top left of engine) evaporative emission (evap) canister purge solenoid valve From pwr/trn relay diagram (2 of 6) Fuel pump fuse 20 20a Fuel pump relay Fuse 175a G102 (lower left front of engine) Generator inline fuse Hot at all times Ignition coils (left side of engine) J105 J107 J108 J109 (ignition coil jumper harness, approximately 5 cm from x111 breakout) Nca Pnk Pnk d Power distribution system Spark plug Tan Underhood fuse block (left side of engine compt) X111 5.3L VIN 7, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500: 42 (mounted to fuse block underhood bracket assembly) (6.0l w/ auxiliary fuel tank) secondary fuel pump relay (top of engine, below intake manifold) valve lifter oil manifold (vlom) assembly 5v ref 1 Bank 1 sens 1 Bank 2 sens 1 Charge ind sig Ckp sens sig Cmp sens sig Cylinder shutoff solenoid 1 Cylinder shutoff solenoid 2 Cylinder shutoff solenoid 3 Cylinder shutoff solenoid 4 E pnk Engine control module (ecm) (left side of fan shroud) Except 6.0l G102 (lower left front of engine) G300 (on 2nd body mount) Ign coil 1 ctrl Ign coil 2 ctrl Ign coil 3 ctrl Ign coil 4 ctrl Ign coil 5 ctrl Ign coil 6 ctrl Ign coil 7 ctrl Ign coil 8 ctrl Ignition coils (right side of engine) J110 J111 J112 (ignition coil jumper harness, approximately 5 cm from x111 breakout) J300 Low ref Map sens sig Nca Pnk Pnk d Pos sens 1 sig Pos sens 2 sig Press sens sig Spark plug Starting/charging system Tan X113
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Backup Lamps Wiring Diagram for Chevrolet Suburban LT 2014 1500: 71 & aluminium liftgate w/ fixed glass 175a A x6 Automatic transmission (6 speed a/t) Automatic transmission internal mode switch B x411 B x412 Backup ctrl Backup lp rly ctrl Bck/up lamp pcb relay Bcm fuse 10a Body control module (bcm) (left side of dash) C x411 C x412 Cadillac w/o one piece liftgate w/ liftglass Chevrolet Computer data lines system Control solenoid valve assembly D x411 D x412 D x900 E x411 E x412 Engine control module (ecm) left side of engine compt) G102 (lower left front of engine) G201 (left end of dash) G400 (left rear body mount) G401 (left rear body mount) Gmc Gnd Grd Hot at all times I/p fuse block (left end of dash) Inline fuse generator Inside rearview mirror (isrvm) J105 J405 J406 Left backup lamp Left i/p junction block (left end of dash) Mjr N5 x2 Nca Power distribution system Rearview camera (if equipped) (middle of tailgate) Red Right backup lamp Ser data bus + Ser data bus - Serial data bus + Serial data bus - Tan Trans range sig a Trans range sig b Trans range sig c Transmission control module Underhood fuse block (left side of engine compt) Veh bck/up fuse 15 10a W/ one piece liftgate W/ one piece liftgate w/ liftglass W/ spo rear vision camera W/o one piece liftgate W/o one piece liftgate w/ liftglass W/o spo rear vision camera X10 X11 X310 X409 X413 X5 h8 X900 Beacon Lamp Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Beacon Lamp Wiring Diagram for Chevrolet Suburban LT 2014 1500: 24 Distribution system G200 (right front corner of dash) Ground distribution system Hot at all times I/p fuse block (left end of dash) Interior lights system J1 x4 J203 J323 Left i/p junction block (left end of dash) Pdm fuse 15a Power Right i/p junction block (right end of dash) Right i/p junction block (right x1 end of dash) Roof beacon relay (in overhead console) Roof beacon switch (if equipped) S/roof fuse 33 30a Underhood fuse block (left side of engine compt) W/ sliding roof X1 2b1 X10 X304 X313 X313 a Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 79 (left end of dash) left i/p junction block (lower left radiator support) (not used) (right headlight harness) (right rear taillight harness) j412 3a4 6.0l (vin j) Computer data lines system Courtesy lamp Driver door lock/ window switch Driver outside rearview mirror E x120 Except 6.0l (vin j) From left tail/stop b lamp (diagram 1 0f 2) From lt prk a fuse 26 (diagram 1 of 2) G100 G100 (lower left radiator support) G101 G201 (left end of dash) G400 (left rear body mount) Gnd Grd Ground distribution system Hot at all times I/p fuse block (left end of dash) Instrument panel cluster Ipc fuse 46 10a J100 J115 J117 J191 Left turn ind Left turn signal repeater lamp Logic Low ref Lower right tail/stop & turn signal lamp Mjr Mnr Passenger door lock/ window switch Passenger outside rearview mirror Power distribution system Right backup lamp Right front side marker lamp Right i/p junction block (right end of dash) Right park/ turn signal lamp Right rear side marker lamp Right rear turn signal lamp Right tail/ stop lamp Right tail/ turn lamp Right tail/ turn signal lamp Right turn ind Right turn signal repeater lamp Rt prk fuse 27 15a Serial data Underhood fuse block (left side of engine compt) Upper right tail/stop & turn signal lamp j406 W/ enlarged turn signal lamp W/ heated folding mirror W/ one piece liftgate W/o heated folding mirror W/o one piece liftgate X1 a4 X1 c3 X1 c4 X118 a X118 b X119 X119 a X120 g X3 a1 X3 a2 X3 a4 X4 b2 X4 c1 X4 h5 X4 k5 X412 X412 b c x412 X412 d c Trailer Tow Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Trailer Tow Wiring Diagram for Chevrolet Suburban LT 2014 1500: 50 (not used) 175a A x6 Anti-lock brakes system B4 x3 Bcm fuse 10a Body control module (bcm) (left side of dash) Brake sig C2 x5 Computer data lines system F2 x3 G200 (right front corner of dash) G201 (left end of dash) G400 (left rear body mount) Gnd H3 x5 Hot at all times Hot w/ bck/up lamp relay energized Hot w/ park lamp relay energized Hot w/ run/crnk relay energized I/p fuse block (left end of dash) Inline fuse generator J200 Left i/p junction block (left end of dash) Lt turn sig lamp Misc ign fuse 43 10a Pnk Power distribution system Rt turn sig lamp Serial data Serial data bus + Serial data bus - Stop lamp switch Stud 1 fuse 68 40a Stud 2 fuse 63 30a Tan Trailer connector (center rear of vehicle) Trlr bck/up fuse 10 10a Trlr prk fuse 25 15a Trlr stop lt fuse 3 10a Trlr stop lt pcb relay Trlr stop rt fuse 1 10a Trlr stop rt pcb relay Underhood fuse block (left side of engine compt) X115 X205 X3 e1 X3 e2 X5 a2 X5 h1
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for Ground Distribution Wiring Diagram (1 of 6) for Chevrolet Suburban LT 2014 1500: 84 (cadillac) left headlamp (cadillac) right headlamp (except cadillac) rear window washer fluid pump (except cadillac) right front fog lamp (gmc chevrolet) left headlamp (gmc) left headlamp (gmc) right headlamp (gmc/ cadillac w/o turn signal lamp) hood ajar switch (if equipped) left daytime running lamp (drl) (if equipped) left turn signal repeater lamp (left headlight harness) (left side of engine compt) underhood fuse block (right headlight harness) j125 (w/ 20 series & cadillac) rear window washer fluid pump (w/ 20 series) (not used) B x107 B x108 B x120 Battery Battery current sensor Cadillac Chevrolet F x110 Fan cntrl relay G100 (lower left radiator support) G101 G104 (front of left cylinder head) Gmc Harness) Hood ajar switch J100 (forward lamp harness, 14 cm from hood ajar switch breakout) J101 (forward lamp harness, 13 cm from g101 breakout) J103 (right foglight jumper harness) J118 J121 J191 (w/ 10 series) (forward lamp harness, 8 cm from breakout to g101) Left daytime running lamp (drl) Left front fog lamp Left front park lamp Left front side marker lamp Left front turn signal lamp Left headlamp assembly Left headlamp ballast Left high beam headlamp Left high beam solenoid headlamp Left horn Left low beam headlamp Left park/ turn signal lamp Left park/turn signal lamp Nca Right daytime running lamp (drl) Right engine cooling fan Right front fog lamp Right front park lamp Right front side marker lamp Right front turn signal lamp Right headlamp assembly Right headlamp ballast Right high beam headlamp Right high beam solenoid headlamp Right horn Right low beam headlamp Right park/turn signal lamp Right turn signal repeater lamp To ground g103 (diagram 2 of 6) To underhood fuse block (diagram 2 of 6) W/ headlamp flasher W/ led headlamps W/ low beam w/o led headlamp W/ remote keyless entry & left cargo restraint W/ snow plow provisions W/o led headlamps Windshield washer fluid level switch Windshield washer fluid pump X101 c X102 b X104 X104 c X105 X110 f X118 b X119 X120 f X122 a Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for Ground Distribution Wiring Diagram (2 of 6) for Chevrolet Suburban LT 2014 1500: 65 A/c compressor clutch Assist step control module Automatic transmission Bck/up lamp pcb relay Body control module (bcm) Control solenoid valve assembly Diodes Engine control module (ecm) From battery (diagram 1 of 6) From splice j101 (diagram 1 of 6) Front drive axle actuator Fuel pump relay Fuse a 30a Fuse b 30a G102 lower left front of engine) G103 front of right cylinder head) G108 (left rear of engine compt) G110 (left rear of engine compt) G111 (left rear of engine compt) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 J105 (engine harness, approximately 12 cm from engine coolant temperature (ect) sensor breakout) J106 (engine harness, 11 cm from manifold absolute pressure sensor breakout) J108 (ignition coil jumper harness, approximately 3 cm from ignition coil 5 breakout) J111 (ignition coil jumper harness, approximately 3 cm from ignition coil 4 breakout) J269 (fuse block jumper harness) J343 (chassis harness, 10 cm from breakout to left rear shock absorber actuator) Left side object sensor Mass air flow (maf)/ intake air temperature (iat) sensor Mobile radio fuse block Nca Rear defog relay Rear wash pcb relay Relay a Relay b Right side object sensor Run/ crnk relay Side obstacle detection sensor indicator Strtr relay Transfer case shift control module Underhood fuse block (left side of engine compt) W/ active 2-speed push button control transfer case W/ side power running boards & W/o side power running boards & Windshield wiper motor Wiper 1 pcb relay X1 a1 X109 X109 b7 X111 a X113 a X117 d X121 X125 d X2 n5 X225 X226 X3 d X5 g1 Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for Ground Distribution Wiring Diagram (3 of 6) for Chevrolet Suburban LT 2014 1500: 90 (cadillac) cigar lighter (cadillac) clock (except cadillac) i/p 1 accessory power outlet (front floor console harness, 17 cm from audio amplifier connector breakout) (manual a/c) auxiliary hvac control module (not used) (w/ active 2 speed push button control transfer case) transfer case shift control switch (w/ cadillac appearance package) heated & cooled cup holder (w/ comfort & decor level 3) electronic compass module (w/ one piece liftgate lift glass) 3rd row courtesy/ reading lamps (w/ power liftgate) interior liftgate control switch 2a7 2b6 2nd row courtesy/ reading lamps 3a7 A x217 A x220 A x304 Automatic a/c Automatic a/c inside air temperature sensor Automatic transmission shift lock control solenoid Blower motor control module Center console accessory power outlet Center console compartment accessory power outlet Data link connector (dlc) Digital video disc (dvd) control module Digital video disc (dvd) noise filter Digital video disc relay Dome/ reading lamps Driver information center (dic) switch Except cadillac G200 (right front corner of dash) Garage door opener (gdo) Heated steering wheel Heated steering wheel control module Horn switch Hvac control module I/p 2 accessory power outlet Inflatable restraint passenger air bag on/off indicator Inflatable restraint steering wheel module coil Inside rearview mirror (isrvm) J200 (instrument panel harness, approximately 14 cm from left i/p junction block breakout) J203 (except escalade: instrument panel harness, approximately 13 cm from radio connector breakout) (escalade: instrument panel harness, approximately 4 cm after radio connector breakout) J214 (steering wheel harness) J215 (steering column harness) J223 J299 J323 (overhead console harness, approximately 4 cm from x304 breakout) J324 (sunroof harness, approximately 3 cm from sunroof switch breakout) J328 (headliner harness, 75 cm from left sunshade lamp breakout) J334 (w/ cadillac appearance package) J350 (heated seat body jumper, 5 cm from breakout to left instrument panel junction block) Left i/p junction block (left end of dash) Left steering wheel control switch Left sunshade Manual a/c Mobile radio fuse block Nca Park enable pcb relay Passenger door lock/ window switch Rap/spare pcb relay (w/ special service municipal sales package & police package) electronic adjustable pedals pcb relay (w/o memory) Relay a Relay b Right i/p junction block (right end of dash) Right steering wheel control switch Right sunshade Roof beacon relay Roof beacon switch Spo accessory heated seat Spo dvd w/ Spo dvd w/o spo accessory heated seat Sunroof control module Sunroof switch W/ custom front floor console compartment W/ luxury edition W/ roof mounted lamp W/ roof mounted lamp & sliding roof W/ sliding roof W/ spo dvd W/o luxury edition W/o spo dvd X1 a X14 X2 d1 X2 k X201 b6 X211 X276 b X313 X6 b Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for Ground Distribution Wiring Diagram (4 of 6) for Chevrolet Suburban LT 2014 1500: 65 (6 speed a/t) automatic transmission shift lever (automatic a/c) ambient light/ sunload sensor (cadillac w/ additional dvd) rear digital video disc (dvd) display (cadillac) traction control switch (gmc/chevrolet) i/p multi-function switch (cadillac) traction control switch (tcs) (if equipped) rear seat audio (rsa) control (left end of dash) i/p fuse block (manual a/c) ambient light sensor (under front passenger's seat) g301 (w/ hydraulic brakes) accessory switch (w/ premium) audio amplifier (w/ spo rearvision camera) rearview camera (w/o luxury edition) (w/o luxury edition) (w/ luxury edition) A x902 Automatic a/c Auxiliary body control module (xbcm) Body control module (bcm) Brake fluid level switch Cadillac Cadillac w/ additional dvd Cadillac w/ additional dvd & chevrolet, gmc w/o additional dvd Cadillac w/ power runnig board Cadillac w/ rear parking assist Chevrolet & gmc Chevrolet, gmc w/ additional dvd Data link connector Digital radio receiver Driver door lock/window switch Except uys Front digital video disc (dvd) display G201 (left end of dash) Gmc/chevrolet Headlamp & panel dimmer switch Hvac control module Infrared transmitter Instrument panel cluster (ipc) J329 (except one piece liftgate w/ liftglass: harness, 4 cm from dvd display connector breakout) (long wheel base: headliner harness, 116 cm from left sunshade lamp breakout) short wheel base: headliner harness, 50 cm from left sunshade lamp breakout) J330 (w/ premium audio) (center console harness, approximately 10 cm from audio amplifier breakout) Left i/p junction block (left end of dash) Lock/unlock pcb relay Manual a/c Nca Radio Theft deterrent module (tdm) Turn signal/ multi-function switch Uys Vehicle communication interface module (vcim) Video signal splitter W/ digital radio system w/o luxury edition W/ luxury edition W/ vehicle communication system & luxury edition W/ video signal splitter W/o video signal splitter W/o luxury edition Wind- shield wiper motor X1 a7 X1 e1 X1 k2 X12 X201 a5 X204 m X212 b8 X4 b1 X4 x2 Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500 List of elements for Ground Distribution Wiring Diagram (6 of 6) for Chevrolet Suburban LT 2014 1500: 77 (chev) (gmc) (if equipped) automatic level control (alc) compressor (if equipped) rear fog lamp (left tail/ turn signal lamp) left tail/stop lamp (right tail/turn signal lamp) right tail/stop lamp (w/ long wheel base) dome lamp (w/ magneride & bi-state real time damping chassis package) electronic suspension control (esc) module (w/ power liftgate) liftgate module (lgm) Auxiliary blower motor control module Backup lamp Cadillac Center high mounted stop lamp (chmsl) Fuel pump flow control module Fuel pump/ trailer brake control module G305 (on 3rd body mount) G400 (left rear body mount) G401 (left rear of body mount) G402 (w/ one piece liftgate) (right "d" pillar) Gmc a Gmc/ chevrolet Gmc/ chevrolet w/o one piece liftgate Gmc/ chevrolet w/o one piece liftgate & w/ lift glass/ lift gate (manual) aluminum Grd J400 (body harness, 33 cm from g402 breakout) J402 (license lamp harness, approximately 23 cm from license lamp left breakout) J405 (left tail lamp harness) J406 (right tail lamp harness) J900 (liftgate harness, approximately 25 cm from rear window defogger connector x1) J903 (liftgate harness, approximately 15 cm from liftgate latch assembly breakout) J906 (license lamp harness, in liftgate, 6 cm from grommet) Lamp Left backup lamp Left license lamp Left park/ turn signal lamp Left rear side marker lamp Left tail lamp circuit board Liftgate handle switch Liftgate latch assembly Liftgate window ajar switch Liftgate window latch assembly Liftgate window release actuator Liftgate window release switch Lower left tail/ stop & turn signal lamp Lower left tail/stop & turn signal lamp Nca Others Rear accessory power outlet Rear window defogger grid Rear window wiper motor Right backup Right backup lamp Right license lamp Right lower tail/stop & turn signal lamp Right rear side marker lamp Right tail lamp circuit board Right tail/ turn signal lamp Right upper tail/stop & turn signal lamp Trailer connector Upper left tail/stop & turn signal lamp W/ 10 series W/ 20 series W/ one piece liftgate W/ trailer brake W/o one piece liftgate W/o one piece liftgate w/ one piece liftgate W/o rear parking assist w/ rear parking assist W/o trailer brake X2 a X400 g X404 X405 b6 X406 X408 b X411 X412 X901
HEADLIGHTS Headlights Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Headlights Wiring Diagram for Chevrolet Suburban LT 2014 1500: 80 A x120 Amb light Ambient light sensor (manual a/c) ambient light/ sunload sensor assembly (automatic a/c) (top center of dash) Auto Automatic a/c B2 x202 Body control module (bcm) (left side of dash) C x110 Computer data lines system D x120 Drl fuse 31 15a Drl pcb relay Drl rly Flash to pass Fog lamp fuse 28 15a Fog lamp ind Fog lamp relay Fog lamp switch Fog lmp rly Fog lp sw G100 (lower left radiator support) G101 G201 (left end of dash) Hdlp dim sw sig Hdlp lo/hid relay Hdlp off Hdlp on Head Headlamp & panel dimmer switch Headlamp dimmer switch Hi beam pcb relay Hi beam rly Hi head- lamp lt fuse 32 10a Hi head- lamp rt fuse 30 10a High beam ind Hot at all times Instrument panel cluster (ipc) Ipc fuse 46 10a J100 J101 J117 J119 J120 J122 J201 J217 Left daytime running lamp Left front fog lamp Left high beam headlamp Left i/p junction block (left end of dash) Left low beam headlamp Lo beam rly Lo hdlp lt fuse 11 20a Lo hdlp rt fuse 16 20a Lo spd gmlan Logic Manual a/c Off Park Park brake switch (base of park brake assembly) Park brk sw sig Power distribution system Prk lmp Right daytime running lamp Right front fog lamp Right high beam headlamp Right low beam headlamp Ser data Serial data Special service sales & police vehicle package Turn signal/ multi-function switch Underhood fuse block (left side of engine compt) W/ municipal X102 X102 a X105 X105 a X110 d X120 c X122 d
HORN Horn Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Horn Wiring Diagram for Chevrolet Suburban LT 2014 1500: 24 (left side of engine compartment) underhood fuse block 175a Body control module (bcm) (left side of dash) G100 (lower left radiator support) G101 (lower right radiator support) G200 (right front corner of dash) Generator inline fuse Horn fuse 29 15a Horn pcb relay Horn relay control Horn switch (in steering wheel) Hot at all times Inflatable restraint steering wheel module coil (steering column) J100 J191 J214 Left horn (below left headlight assembly) Power distribution system Right horn (below right headlight assembly) Tan W/ horn/siren circuit wiring provisions X1 b X201 X217 a
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 74 4wd ind 7.5a Abs ind Air bag ind Aux hvac ign fuse 48 10a Brake ind Charging ind Computer data lines system Cruise ind Driver information center (dic) display Electronic compass module (left rear of headliner) Engine control system Engine coolant temperature gauge Front fog lamp ind Fuel gauge G102 (lower left front of engine) G200 (right front of hvac case) G201 (left end of dash) Gnd Ground Ground distribution system Heated steering wheel control module (in steering wheel) High beam ind Hot at all times Ign Ign volt Ind ctrl Inflatable restraint steering wheel module coil (steering column) Inline fuse Instrument panel cluster (ipc) Interior lights system Ipc fuse 46 10a J219 J328 Led ctrl Left i/p junction block (left end of dash) Left turn ind Lin bus Logic Low ref Malfunction ind (mil) Menu sw sig Mil ctrl Off ind ctrl Oil gauge Oil pressure ind On ind ctrl Park lamps ind Pnk Power distribution system Prnd321 trip odometer Rear fog lamp ind Right turn ind Run/ crank relay Seat belt ind Security ind Sens sig Serial data Speedometer Sw sig Tachometer Tan Tire pressure ind Tow/haul ind Traction control ind Transmission temp gauge Volt gauge W/ heated steering wheel W/o heated steering wheel Wait to start ind Wiper/washer system X201 X276 X277 Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 65 (bottom center of liftgate) liftgate latch assembly (chassis harness) j331 (inside primary fuel tank) (w/o auxiliary fuel tank) rear fuel pump & sender assembly (inside primary fuel tank) front fuel pump & sender assembly (on fuel pump & sender assembly) fuel tank pressure (ftp) sensor 5v ref 6.0l (vin j) Body control module (bcm) (left side of dash) Brake fluid level switch (brake fluid reservoir) Can bus + Can bus - Computer data lines Computer data lines system Distribution Driver door latch assembly (driver's door) Driver door lock/ window switch Driver information center (dic) switch Engine control module (ecm) (left side of fan shroud) Engine oil pressure (eop) sensor (top rear of engine) Except 6.0l (vin 3) Except 6.0l (vin j) G200 (right front corner of dash) G201 (left end of dash) G303 (base of left "b" pillar) G304 (base of right "b" pillar) G402 (w/ one piece liftgate) (right "d" pillar) Gmlan Ground Interior lights system J203 J902 (liftgate harness, approximately 22 cm from liftgate latch assembly breakout) J903 Left i/p junction block (left end of dash) Left rear door latch assembly (left rear door) Liftgate ajar Liftgate window ajar switch Liftgate window latch assembly (bottom center of lift glass) Lin bus Low ref Lr dr ajar Park brake switch (base of park brake assembly) Passenger door latch assembly (front passenger's door) Passenger door lock/ window switch Personalization switch Pnk Right rear door latch assembly (right rear door) Rly ctrl Rr dr ajar Sens sig Serial data Set/reset switch Sw sig System Tan Trip/fuel switch Vehicle information switch W/o power liftgate Wiper/ washer system X10 X131 X202 X300 X405 X700 X800
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Suburban LT 2014 1500: 71 (base of right "b" pillar) g304 (bottom center of lift glass) liftgate window latch assembly (driver's door) driver door latch assembly (headliner harness, 85 cm from left sunshade lamp breakout) j327 (headliner harness, 95 cm from left sunshade lamp breakout) j326 (left rear door) left rear door latch assembly 2nd row courtesy/ reading lamps 3rd row courtesy/ reading lamps (w/ one piece liftgate & liftglass) Ajar sw sig Batt pos volt Body control module (bcm) (left side of dash) Cargo bed lamp Computer data lines system Connector adapter Ctsy fuse 15a Def switch Defeat sw Dome Dome lamp Dome sw Dome switch Dome/reading lamps Driver door courtesy lamp (cadillac) Driver door lock/ window switch G200 (right front corner of dash) G201 (left end of dash) G303 (base of left "b" pillar) G402 (right "d" pillar) Gmlan Gnd Headlamp & panel dimmer switch Hot at all times I/p fuse block (left end of dash) If equipped Is lamps fuse 10a J201 J323 J328 J400 J902 (liftgate harness, approxi- mately 22 cm from liftgate latch assembly breakout) J903 Lamp ctrl Left i/p junction block (left end of dash) Left sunshade (if equipped) Liftgate latch assembly (bottom center of liftgate) Liftgate window ajar switch Logic Low ref Lp cntrl Nca Passenger door courtesy lamp (cadillac) Passenger door latch assembly (front passenger's door) Passenger door lock/ window switch Pwr ctrl Reading Rear window wiper motor (center of liftgate) Right rear door latch assembly (right rear door) Right sunshade (if equipped) Sw sig W/ long wheel base W/o one piece liftgate w/ liftglass W/o power liftgate door X10 X12 X304 X311 X321 X405 X406 X700 X800
MEMORY SYSTEMS Adjustable Pedal Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Adjustable Pedal Wiring Diagram for Chevrolet Suburban LT 2014 1500: 45 (cadillac w/ climate controlled seats) driver memory seat adjuster switch (gmc/chevrolet w/ climate controlled seats) driver memory/ heated & cooled seat switch (w/o climate controlled seats) driver memory/ heated seat switch 12v A14 A15 Adjustable pedal position sensor All times Cadillac Chevrolet/gmc Computer data Computer data lines system Data Dimming ctrl Driver door lock/ window switch Driver seat 2 circuit breaker 25a Driver's memory seat circuit Dsm fuse 10a Electronic adjustable pedal assembly (mounted on brake pedal assembly) Exit G303 (base of left "b" pillar) Gmlan Gnd Hot at Hot at all times I/p fuse block (left end of dash) I/p multi-function switch J309 (driver's seat harness, approximately 6 cm from x303 breakout) J310 (driver's seat harness, approximately 5 cm from recliner motor breakout) J312 (driver's seat harness, approximately 5 cm from memory seat module x5 breakout) Left i/p junction block (left end of dash) Left i/p junction block (left end x2 Lines system Lo ref Low ref Memory seat module (under front of driver's seat) Mtr cntl Of dash) Pnk Power distribution system Sens sig Serial Sw sig Tan X12 X13 X303 Driver"s Memory Seat Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 42 (driver's seat harness, approximately 6 cm from x303 breakout) j309 (driver's seat jump harness, 10 cm from x324 breakout) j341 (driver's seat jump harness, 5 cm from x324 breakout) 12v ref 5v ref Adjustable pedals circuit Aux wdo circuit breaker 25a Driver seat 2 circuit breaker 25a Driver seat adjuster motor assembly (under driver's seat) Driver seat lumbar horizontal motor Driver seat lumbar horizontal motor position sensor Driver seat lumbar vertical motor Driver seat lumbar vertical motor position sensor Driver seat recline motor (under driver's seat) Driver seat recline position sensor Dsm fuse 10a Element ctrl Fwd ctrl G303 (base of left "b" pillar) Gnd Hot at all times I/p fuse block (left end of dash) J340 Left i/p junction block (left end of dash) Memory seat module (under front of driver's seat) Mtr down ctrl Mtr fwd ctrl Mtr rwd ctrl Mtr up ctrl Pnk Power distribution system Red Rwd ctrl Seats system Sens sig Tan Temp sig Tilt actuator X12 X303 X323 X324 Driver"s Memory Seat Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 46 (cadillac w/ climate controlled seats) driver memory seat adjuster switch (gmc/chevrolet w/ climate controlled seats) driver memory/ heated & cooled seat switch (w/o climate controlled seats) driver memory/ heated seat switch (not used) 12v A14 A15 Adjustable pedal circuit Adjustable pedals circuit Computer data lines system Dimming ctrl Down Down sw sig Driver door lock/ window switch Driver seat adjuster switch Driver seat lumbar switch E (not used) Exit Fwd Fwd sig Fwd sw sig Gmlan J312 (driver's seat harness, approximately 5 cm from memory seat module x5 breakout) Left i/p junction block (left end x2 of dash) Left i/p junction block (left end x7 of dash) Lo ref Low ref Memory seat module (under front of driver's seat) Mode sig Pnk Red Rwd Rwd sig Rwd sw sig Seats system Serial data Steering wheel tilt actuator (steering column) Steering wheel/column tilt switch Sw sig Tan Telescope in Telescope out Tilt switch Up sw sig X13 X229 X303 X323 Memory Mirrors Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Memory Mirrors Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 38 (cadillac w/ climate controlled seats) driver memory seat adjuster switch (gmc/chevrolet w/ climate controlled seats) driver memory/ heated & cooled seat switch (w/o climate controlled seats) driver memory/ heated seat switch (driver's outside rearview mirror jumper) (or tan) 5-volt ref Automatic day/night mirror Computer data lines system Ddm fuse 15a Defogger switch Dim ctrl Driver door lock/ window switch Driver outside rearview mirror (if equipped) Electrochromic mirror circuit Element ctrl Exit Extend Exterior lights system G201 (left end of dash) Glman serial data Gnd Hor pos sens sig Hot at all times Hvac control module I/p fuse block (left end of dash) J500 J501 L/r select Left Logic Low ref Mtr extend ctrl Mtr retract ctrl Outside rearview mirror switch Pnk Retract Right Sw pwr Sw sig Ver pos sens sig Memory Mirrors Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Memory Mirrors Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 25 3a7 3b2 5v ref Computer data lines system Extend ctrl Exterior lights system G200 (right front corner of dash) Gnd Hot at all times I/p fuse block (left end of dash) J203 J600 (front passenger's outside rearview mirror jumper) J601 (front passenger's outside rearview mirror jumper) Low ref Mtr comm Passenger door lock/ window switch Passenger outside rearview mirror (if equipped) Pdm fuse 15a Position ctrl Power distribution system x1 Retract ctrl Right i/p junction block (right end of dash) x1 Sens sig Serial data Sply volt
NAVIGATION Blind Spot Monitoring Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Blind Spot Monitoring Wiring Diagram for Chevrolet Suburban LT 2014 1500: 23 A5 x202 B6 x2 Computer data lines system Data Driver door lock/ window switch Driver outside rearview mirror G110 (left rear of engine compt) Gmlan Ground Hot at all times I/p fuse block (left end of dash) J343 J344 Led sig Left side object sensor (behind left end of rear bumper) Liftgate module (if equipped) (left rear of cargo area) Obs det fuse 10a Passenger door lock/window switch Passenger outside rearview mirror Pnk Right side object sensor (behind right end of rear bumper) Sig rtn X115 Navigation Wiring Diagram, with UQA, without UYS & Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQA, without UYS & Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500: 80 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) (not used) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Amp ctrl Amp fuse 41 30a Ant sig Aud sig C212 Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J205 Keypad sig L aud + L aud - Led cntrl Left i/p junction block (left end of dash) Left i/p junction block (left end x4 Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Of dash) Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf aud + Rf aud - Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ one piece liftgate W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Navigation Wiring Diagram, with UQA, without UYS & Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQA, without UYS & Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500: 51 (under rear of center console) audio amplifier A13 A14 Ampl cntrl B10 B11 B12 C211 Cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation antenna: top center of dash) Coax Computer data lines system Drain wire G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J330 L infrared L subwfr+ L subwfr- Lf aud + Lf aud - Lf spk + Lf spk - Lr aud + Lr aud - Lr spk + Lr spk - Nca Pnk R infrared R subwfr+ R subwfr- Rear seat audio (rsa) control Rem enable Rf aud + Rf aud - Rf spk + Rf spk - Rr aud + Rr aud - Rr spk + Rr spk - Subwoofer speaker Tan X203 X211 X212 Navigation Wiring Diagram, with UQA, without UYS & Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQA, without UYS & Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500: 27 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker Front digital video disc (dvd) display G301 (under front passenger's seat) J329 Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Right rear speaker Tan Video ctrl Video splitter circuit W/ additional dvd W/o additional dvd X206 X207 X306 X700 X800 Navigation Wiring Diagram, with UQA, without UYS & Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQA, without UYS & Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500: 74 (steering column harness) j216 (under front passenger's seat) g301 12v 3a1 3a2 Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw Gmlan Gnd I/p fuse block (left end of dash) Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Left front speaker Left front tweeter speaker Navigation system Nca Pause Phone Pnk R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right steering wheel control switch Signal+ Signal- Srce Tan Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Navigation Wiring Diagram, with UQS without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQS without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500: 76 (except escalade:instrument panel harness, 9 cm from x212 breakout) (escalade:instrument panel harness, 19 cm from x206 breakout) (not used) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (left front of roof) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J204 J205 Keypad sig L aud + L aud - Led cntrl Left i/p junction block (left end of dash) Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf aud + Rf aud - Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ one piece liftgate W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X213 X218 X304 Navigation Wiring Diagram, with UQS without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQS without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500: 72 (instrument panel harness, in radio nca connector breakout) j202 (or 1488) (or 1489) (or nca) (under rear of center console) audio amplifier Aud sig + Aud sig - Cadillac w/o additional dvd Cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) Centr spk + Centr spk - Chevrolet/gmc w/ additional dvd Ckp sig high Ckp sig low Coax Computer data lines system Ctr + Ctr - Drain wire G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J330 L infrared L subwfr + L subwfr - Lf aud + Lf aud - Lf micro sig + Lf micro sig - Lf spk + Lf spk - Lr aud + Lr aud - Lr mid spk + Lr mid spk - Lr spk + Lr spk - Micro + Micro - Nca Pnk R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf aud + Rf aud - Rf micro sig + Rf micro sig - Rf spk + Rf spk - Rr aud + Rr aud - Rr mid spk + Rr mid spk - Rr spk + Rr spk - Sub + Sub - Subwoofer speaker Tan Video splitter circuit X203 X204 X206 X211 X329 Navigation Wiring Diagram, with UQS without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQS without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500: 52 (front left of center console) noise compensation microphone (left front of roof) left front radio volume compensator interior noise microphone (or nca) (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 C10 C11 C12 Center i/p speaker Ckp sig high Ckp sig low Engine control module (ecm) (except hybrid) (left side of fan shroud) Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Rear radio volume compensator interior noise microphone (rear of roof) Right front radio volume compensator interior noise microphone (right front of roof) Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video sig W/ ltz sales package W/o ltz sales package X109 X206 X210 X211 X306 X329 X421 X700 X800 Navigation Wiring Diagram, with UQS without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UQS without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500: 71 (steering column harness) j216 12v Anti-lock brakes system Aud low ref Aud sig + Aud sig - Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera + Camera - Computer data lines system Control system Cruise Ctr + Ctr - Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Navigation system Nca Pause Phone Pnk R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right steering wheel control switch Signal+ Signal- Srce Sub + Sub - Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Navigation Wiring Diagram, with UYS, UQA & without Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, UQA & without Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500: 71 (behind right rear quarterpanel) radio antenna module (not used) (pins: 10-15 not used) (pins: 21 to 27 not used) (pins: 6-16 not used) (pins: 7 to 19 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - E sig Fl aud - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a J205 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) Keypad sig L aud + L aud - Left i/p junction block (left end of dash) Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio rear window antenna Rdo fuse 42 15a Red led Rf aud + Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Navigation Wiring Diagram, with UYS, UQA & without Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, UQA & without Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500: 58 (instrument panel harness, in radio connector breakout) (under rear of center console) audio amplifier A13 A14 Amp ctrl Cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation antenna: top center of dash) Coax Computer data lines system Drain wire Enable sig G200 (right front corner of dash) G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J202 J330 L infrared L subwfr + L subwfr - Lf aud + Lf aud - Lf spk + Lf spk - Lr aud (+) Lr aud (-) Lr aud + Lr aud - Lr spk + Lr spk - Navigation system Nca Pnk R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf aud + Rf aud - Rf spk + Rf spk - Rr aud (+) Rr aud (-) Rr aud + Rr aud - Rr spk + Rr spk - Subwoofer speaker Tan X203 X204 X206 X211 X212 X213 Navigation Wiring Diagram, with UYS, UQA & without Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, UQA & without Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500: 39 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video sig Video splitter circuit W/ additional dvd W/o additional dvd X206 X207 X211 X212 X306 X700 X800 Navigation Wiring Diagram, with UYS, UQA & without Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, UQA & without Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500: 70 (or 5149) (or 5152) (or nca) (pins 8 to 14 not used) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Aud sig Aud sig + Audio/video adapter Aux aud sig Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera sig (+) Camera sig (-) Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd sig Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) J217 (steering wheel harness) J324 L aud sig L aux vid L dvd+ Low ref Navigation system Nca Pause Phone Pnk R aud sig R aux vid R dvd+ Radio Remote sig Res sig Rewd Right steering wheel control switch Sig + Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Veh spd sig Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt W/ additional dvd W/o additional dvd X204 X211 X265 Navigation Wiring Diagram, with UYS, Y91 & UQA (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, Y91 & UQA (1 of 4) for Chevrolet Suburban LT 2014 1500: 78 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) (not used) (pins: 10-15 not used) (pins: 21 to 27 not used) (pins: 35 to 37 not used) (pins: 6-16 not used) (pins: 6-8 not used) (pins: 7 to 19 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Aud sig (-) Batt Cellular Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - Enable sig G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a J204 J205 Keypad sig L aud + L aud - Left i/p junction block (left end of dash) Lf aud (+) Low ref Lr aud (+) Lr aud (-) Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rf aud (+) Right i/p junction block (right end x2 of dash) Rr aud (-) Rse fuse 5a Serial data Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Video splitter circuit Voice sig W/ onstar W/ radio antenna W/o luxury edition W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Navigation Wiring Diagram, with UYS, Y91 & UQA (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, Y91 & UQA (2 of 4) for Chevrolet Suburban LT 2014 1500: 62 (instrument panel harness, in radio connector breakout) j202 (or 1488) (or 1489) (or nca) (under rear of center console) audio amplifier Aud sig + Aud sig - Cellular, navigation & digital radio antenna (w/ digital radio) cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Ckp sig high Ckp sig low Coax Computer data lines system Drain wire F center + F center _ G301 (under front passenger's seat) Gmlan Gnd Infrared ctrl Inside rearview mirror (isrvm) J330 L infrared L subwfr + L subwfr - Lf spk + Lf spk - Low refr Lr aud + Lr aud - Lr mid spk + Lr mid spk - Lr spk + Lr spk - Micro + Micro - Micro sig + Navigation system Nca Noise compensation microphone (front left of center console) Pnk R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf spk + Rf spk - Rr aud + Rr aud - Rr mid spk + Rr mid spk - Rr spk + Rr spk - Subwoofer speaker Tan W/ ltz sales packages W/o ltz sales packages X203 X204 X206 X211 X213 X329 Navigation Wiring Diagram, with UYS, Y91 & UQA (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, Y91 & UQA (3 of 4) for Chevrolet Suburban LT 2014 1500: 49 (left front of roof) left front radio volume compensator interior noise microphone (or nca) (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 C10 C11 C12 Center i/p speaker Ckp sig high Ckp sig low Engine control module (ecm) (except hybrid) (left side of fan shroud) Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Rear radio volume compensator interior noise microphone (rear of roof) Right front radio volume compensator interior noise microphone (right front of roof) Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video sig X109 X206 X211 X221 X306 X329 X421 X700 X800 Navigation Wiring Diagram, with UYS, Y91 & UQA (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with UYS, Y91 & UQA (4 of 4) for Chevrolet Suburban LT 2014 1500: 71 (or 514) (or 655) (or nca) (pins: 8 to 14 not used) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Aud sig Aud sig + Aud sig - Audio sig Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd aud sig Dvd comm Dvd sig Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) J217 (steering wheel harness) J329 L aud sig L aux vid L dvd+ Low ref Module sig Navigation system Nca Pause Phone Pnk R aud sig R aux vid R dvd+ Radio Remote sig Res sig Rewd Right steering wheel control switch Signal+ Signal- Speed sig Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt W/ additional dvd W/o additional dvd X204 X211 X265 Navigation Wiring Diagram, with Y91 & UQA, without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with Y91 & UQA, without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500: 75 (escalade: instrument panel instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness,9 cm from x212 breakout) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J204 J205 Keypad sig L aud + L aud - Led cntrl Left i/p junction block (left end of dash) Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf aud + Rf aud - Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ one piece liftgate W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X213 X218 X304 Navigation Wiring Diagram, with Y91 & UQA, without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with Y91 & UQA, without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500: 66 (instrument panel harness, in radio nca connector breakout) j202 (or 1488) (or 1489) (under front passenger's seat) g301 (under rear of center console) audio amplifier Cellular, navigation & digital radio antenna (w/ digital radio) cellular & navigation antenna (w/o digital radio) Centr spk + Centr spk - Ckp sig high Ckp sig low Coax Computer data lines system Drain wire G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J330 L infrared L subwfr + L subwfr - Lf aud + Lf aud - Lf spk + Lf spk - Lr aud + Lr aud - Lr mid spk + Lr mid spk - Lr spk + Lr spk - Micro + Micro - Micro ctrl Nca Pnk Prt + Prt - R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf aud + Rf aud - Rf micro sig + Rf micro sig - Rf spk + Rf spk - Rr aud + Rr aud - Rr mid spk + Rr mid spk - Rr spk + Rr spk - Subwoofer speaker Tan Video splitter circuit W/ additional dvd W/o additional dvd X203 X204 X206 X211 X329 Navigation Wiring Diagram, with Y91 & UQA, without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with Y91 & UQA, without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500: 47 (left front of roof) left front radio volume compensator interior noise microphone (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 Center i/p speaker Ckp sig high Ckp sig low Engine control module (ecm) (except hybrid) (left side of fan shroud) Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Rear radio volume compensator interior noise microphone (rear of roof) Right front radio volume compensator interior noise microphone (right front of roof) Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video cntrl W/ ltz sales package W/o ltz sales package X109 X206 X211 X306 X329 X421 X700 X800 Navigation Wiring Diagram, with Y91 & UQA, without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, with Y91 & UQA, without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500: 72 (front left of center console) noise compensation microphone (steering column harness) j216 12v Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) C10 C11 C12 Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Navigation system Nca Pause Phone Pnk Prt + Prt - R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right steering wheel control switch Shield Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Navigation Wiring Diagram, without UQS & UQA (1 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, without UQS & UQA (1 of 3) for Chevrolet Suburban LT 2014 1500: 86 (escalade: instrument panel instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness,9 cm from x212 breakout) (if equipped) bleutooth wireless communication interface antenna (left end of dash) (not used) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Ant sig Aud sig C212 Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation: top center of dash) Coax Computer data lines system Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J204 J205 Key ctrl Keypad sig L aud + L aud - L aud+ L aud- Led ctrl Left i/p junction block (left end of dash) Left i/p junction block (w/o luxury) x4 Lf spk+ Lf spk- Low ref Lr aud+ Lr aud- Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - R aud+ R aud- Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf spk+ Rf spk- Right i/p junction block (right end x2 of dash) Rr aud+ Rr aud- Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ luxury W/ one piece liftgate W/ onstar W/ radio antenna W/o luxury W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Navigation Wiring Diagram, without UQS & UQA (2 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, without UQS & UQA (2 of 3) for Chevrolet Suburban LT 2014 1500: 69 (under front passenger's seat) g301 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 A13 A14 B+ nca B10 Cellular & navigation antenna (w/o digital radio) (navigation: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation: top center of dash) Coax Computer data lines system Drain wire Dvd+ nca Dvd- nca Enable sig Front digital video disc (dvd) display G301 (under front passenger's seat) Gmlan Gnd Gnd nca I/p fuse block (left end of dash) Infrared ref Infrared v Inside rearview mirror (isrvm) J329 J330 L infrared Left front door speaker Left front tweeter speaker Left rear speaker Lr aud + Lr aud - Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video sig Pnk R infrared Rear digital video disc (dvd) display Rear seat audio (rsa) control Right front door speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Rr aud + Rr aud - Tan Video cntrl Video cntrl nca Video sig nca Video splitter circuit W/ additional dvd W/ rse W/o additional dvd W/o rse X203 X204 X206 X207 X211 X212 X306 X700 X800 Navigation Wiring Diagram, without UQS & UQA (3 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Navigation Wiring Diagram, without UQS & UQA (3 of 3) for Chevrolet Suburban LT 2014 1500: 67 (or 6972) (or 6973) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Navigation system Nca Pause Phone Pnk R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right steering wheel control switch Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Parking Assistant Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Parking Assistant Wiring Diagram for Chevrolet Suburban LT 2014 1500: 43 (left end of dash) g201 (left end of dash) left i/p junction block (license lamp harness, approxi- mately (license lamp harness, approximately 28 cm from left rear object sensors) (under front passenger's seat) g302 20 cm from right rear object sensors) B10 B11 B12 B13 B14 B15 B5 x2 Body control module (bcm) (left side of dash) Cadillac Chevrolet/gmc Computer data lines system Dim ctrl Disable sig Gmlan Gnd Hot at all times I/p fuse block (left end of dash) I/p multi-function switch J201 J302 J403 J404 Led disable Left rear corner object sensor (left corner of rear bumper) Left rear middle object sensor (left middle of rear bumper) Low ref Lr sns sig Object sens ctrl Obs det fuse 10a Rear object sensor control module (floor below passenger seat) Rear park assist disable switch Right rear corner object sensor (right corner of rear bumper) Right rear middle object sensor (right middle of rear bumper) Rr sns sig X115 X202 X408 Rear View Camera Wiring Diagram, with One Piece Liftgate for Chevrolet Suburban LT 2014 1500 List of elements for Rear View Camera Wiring Diagram, with One Piece Liftgate for Chevrolet Suburban LT 2014 1500: 41 (left end of dash) left i/p junction block (or pnk) Backup lp ctrl x5 Body control module (bcm) (left side of dash) Camera sig + Camera sig - G302 (under front passenger's seat) Hot w/ run/ crnk relay energized Inside rearview mirror (isrvm) J302 J907 (license lamp harness, approximately 5.5 cm from x900 breakout) J908 (license lamp harness, approximately 11 cm from x900 breakout) J990 (liftgate harness, approximately 7 cm from breakout to rear wiper motor) Logic Mirror display Misc ign fuse 43 10a Nca Nca camera vid sig (+) Nca camera vid sig (-) Nca drain wire Nca ground Nca ignition voltage Nca reverse signal Pnk Power distribution system Radio Rearview camera (middle of liftgate) Underhood fuse block (left side of engine compt) W/ radio W/ uys W/o radio W/o uys X11 X12 X209 c X413 X413 e X421 j X900 X900 c X902 Rear View Camera Wiring Diagram, with SPO Accessory for Chevrolet Suburban LT 2014 1500 List of elements for Rear View Camera Wiring Diagram, with SPO Accessory for Chevrolet Suburban LT 2014 1500: 36 (body jumper harness, 10 cm from breakout to left junction block) (w/ climate control seats) j278 (left end of dash) left i/p junction block Body control module (bcm) (left side of dash) Camera sig + Camera sig - Drain wire Exterior lights system G201 (left end of dash) Ground Hot w/ run/ crnk relay energized Ign volt J410 J411 (left rear taillight harness) J908 (license lamp harness, approximately 11 cm from x900 breakout) nca J910 Lp ctrl x5 Misc ign fuse 43 10a Nca Pnk Power distribution system Radio Rearview camera (middle of liftgate) Red Red d Reverse sig Underhood fuse block (left side of engine compt) Vid sig (+) Vid sig (-) W/ uys W/o uys X11 p1 X12 X452 X900 X900 c X902 Rear View Camera Wiring Diagram, without One Piece Liftgate or SPO Accessory for Chevrolet Suburban LT 2014 1500 List of elements for Rear View Camera Wiring Diagram, without One Piece Liftgate or SPO Accessory for Chevrolet Suburban LT 2014 1500: 44 (body harness, approximately 13 cm into x310 breakout) (chassis harness, approximately 18.5 cm into c411 breakout) (left end of dash) left i/p junction block (or pnk) (tailgate harness, approximately 13 cm from x409) Backup lp ctrl x5 Body control module (bcm) (left side of dash) Camera sig + Camera sig - G302 (under front passenger's seat) Hot w/ run/ crnk relay energized Inside rearview mirror (isrvm) J302 J332 J333 (chassis harness, 11 cm from x310 breakout) J407 J408 J409 (endgate harness, 5 cm from rear view camera breakout) Logic Mirror display Misc ign fuse 43 10a Nca Nca camera vid sig (+) Nca camera vid sig (-) Nca drain wire Nca ground Nca ignition voltage Nca reverse signal Pnk Power distribution system Radio Rearview camera (middle of liftgate) Underhood fuse block (left side of engine compt) W/ radio W/ uys W/o radio W/o uys X11 X12 X209 c X310 X310 g X409 X421 j
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (2 of 7) for Chevrolet Suburban LT 2014 1500: 84 (left end of dash) i/p fuse block (left end of dash) left i/p junction block (not used) 3b4 Air bag batt fuse 45 15a Alc/comp fuse 58 40a Automatic level control (alc) relay (if equipped) Aux wdo circuit breaker 25a Auxiliary blower motor control module Bcm fuse 10a Body control module (bcm) Cadillac Chevrolet/ gmc Clock (cadillac) Cooled seats fuse 30a Ctsy fuse 15a Ddm fuse 15a Digital radio receiver (w/ s-band digital radio) Dim fuse 10a Driver door lock window switch Driver seat 2 circuit breaker 25a Driver seat adjuster switch (if equipped) Driver seat back ventilation heating & cooling module Driver seat cushion ventilation heating & cooling module Dsm fuse 10a Eap fuse 38 15a Electronic adjustable pedals pcb relay (w/o municipal special service & police package vehicles) rap/spare pcb relay (w/ municipal special service & police package vehicles) Except uys From stud 2 a fuse 63 (diagram 1 of 7) Inflatable restraint passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) J318 (approx- imately 10 cm from lumbar motor breakout) Lbec 1 fuse 64 60a Left i/p junction block (left end x4 Lgm fuse 71 30a Liftgate module (lgm) (if equipped) Long wheel base Mbec 1 fuse 69 60a Memory seat module (msm) Of dash) Park enable pcb relay Pass seat 1 circuit breaker 25a Pass- enger door lock/ window switch Pass- enger window motor Passenger seat adjuster switch Passenger seat back ventilation heating & cooling module Passenger seat cushion ventilation heating & cooling module Passenger seat lumbar switch Radio Rdo fuse 42 15a Rear hvac fuse 30a Rear seat audio (rsa) control (w/ rear seat & earphone jacks) Red Remote control door lock receiver (rcdlr) Right i/p junction block (right end x3 of dash) Right rear window switch Rt doors circuit breaker 25a Rt stop trn fuse 15a Short wheel base Stud 1 fuse 68 40a Trailer connector (if equipped) Underhood fuse block (left side of engine compt) Uys W/ front bucket seat W/ front cooling seat heater W/ front individual seats W/ luxury W/ memory W/ non bucket front individual seat W/ steering wheel W/o front bucket seat W/o front individual seats W/o luxury W/o memory W/o non bucket front individual seat X11 X12 X202 X211 X212 X303 X305 X407 X800 Power Distribution Wiring Diagram (3 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (3 of 7) for Chevrolet Suburban LT 2014 1500: 99 (not used) (right front of hvac case) g200 3b2 Aux pwr 2 fuse 20a Aux pwr fuse 20a Body control module (bcm) Cadillac Center console accessory power outlet Center console compart- ment accessory power outlet Center seat accessory power outlet (if equipped, w/ front bucket driver & passenger recliner seat) Chevrolet/ gmc Chevrolet/gmc Data link connector (dlc) Detection sensor Digital video disc relay Driver door lock/ window switch Driver window motor From stud 2 fuse 63 b (diagram 1 of 7) G200 (right front of hvac case) G304 (base of right "b" pillar) G402 (right "d" pillar) Garage door opener (gdo) I/p 2 accessory power outlet I/p fuse block (left end of dash) Info fuse 10a Inline fuse digital video disc relay Inside rearview mirror (isrvm) Is lamps fuse 10a J200 J203 J334 J400 Lbec 2 fuse 72 60a Left i/p junction block Left i/p junction block (left end of dash) Left i/p junction block (left end x10 Left i/p junction block (left end x4 Left rear folding seat motor Left rear window switch Left side object sensor Liftgate) Lock/ unlock pcb relay Lt dr circuit breaker 25a Lt stop trn fuse 15a Ltr fuse 53 20a Nca Obs det fuse 10a Of dash) Passenger door lock/ window switch Pdm fuse 15a Power liftgate module Rear accessory power outlet (one piece liftgate w/ liftglass) Rear heated seat module (if equipped) Rear object sensor control module (if equipped) Rear seat fuse 20a Rear window wiper motor (one piece liftgate w/ liftglass) Rear wpr fuse 25a Red Right i/p junction block (right end x3 Right rear folding seat motor Right side object sensor Roof beacon switch Rse fuse 5a Security indicator lamp Seo b1 fuse 52 15a Seo b2 fuse 37 30a Stop lamps fuse 15a To i/p 1 accessory power outlet (diagram 7 of 7) To right i/p junction block (diagram 7 of 7) Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) Vehicle inclination sensor Vehicle shock sensor W/ cadillac appereance package W/ duel headrest system W/ garage door W/ luxury W/ luxury edition W/ rear power seat adjuster W/ rear power seatadjuster W/ side obstacle W/ spo alarm W/o cadillac appereance package W/o garage door W/o luxury W/o luxury edition W/o rear power seatadjuster W/o side obstacle X115 (chassis harness, approximately 49 cm from fuel pump control module breakout) j344 X14 X202 X211 X227 X304 X307 X308 X320 X405 X700 Power Distribution Wiring Diagram (4 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (4 of 7) for Chevrolet Suburban LT 2014 1500: 51 (ignition coil jumper harness, approximately 3 cm from ignition coil 4 breakout) j110 (ignition coil jumper harness, approximately 3 cm pnk from ignition coil 5 breakout) j107 A/c cmprsr relay Bck/up lamp pcb relay Drl pcb relay Ecm/throt cont fuse 5 15a Eng fuse 4 15a Engine control module (ecm) Evaporative emission (evap) canister purge solenoid valve Except 6.0l (vin g) Fan cntrl relay Fan hi relay Fan lo relay Fan-1 fuse 57 40a Fan-2 fuse 60 40a Fog lamp relay From stud 2 fuse 63 (diagram 1 of 7) Frt wash pcb relay Frt wpr fuse 36 25a Fuel injector Fuel pump relay Hdlp lo/hid relay Heated oxygen sensor (ho2s) bank 1 sensor 1 Heated oxygen sensor (ho2s) bank 1 sensor 2 Heated oxygen sensor (ho2s) bank 2 sensor 1 Heated oxygen sensor (ho2s) bank 2 sensor 2 Hi beam pcb relay Horn pcb relay Ignition coil Inj-a fuse 24 20a Inj-b fuse 13 20a Mass air flow (maf) sensor/ intake air temperature (iat) sensor Nca O2-a snsr fuse 18 10a O2-b snsr fuse 8 10a Park lamp relay Pnk Pnk d Pwr/trn relay Rear defog pcb relay Rear wash pcb relay Strtr relay Trlr stop lt pcb relay Trlr stop rt pcb relay Underhood fuse block (left side of engine compt) Valve lifter oil manifold (vlom) assembly Wiper 1 pcb relay Wiper 2 pcb relay X111 X113 X131 Power Distribution Wiring Diagram (5 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (5 of 7) for Chevrolet Suburban LT 2014 1500: 54 (not used) 2b3 50a 5v ref A4 x201 Acc Body control module (bcm) Digital video disc (dvd) relay Dlis fuse 35 2a From fuse holder (diagram 1 of 8) From stud 2 d fuse 63 (diagram 1 of 8) Ign volt Ignition switch J212 (steering column harness) J213 (steering column harness) J271 red Junction block Key-in switch Left i/p junction block (left end of dash) Mobile radio fuse block Nca Off Pnk Police provision 1 circuit breaker Police provision 2 circuit breaker Police provision 3 circuit breaker Rap/spare pcb relay (police package vehicle & municipal special service vehicle) Rear body upfitter 1 Rear body upfitter 2 Red Relay a Right i/p junction block (right end of dash) Run Start Sunroof module (if equipped) Theft deterrent module (tdm) To run/ crank relay (diagram 6 of 8) To splice j207 (diagram 8 of 8) To underhood fuse block (diagram 8 of 8) Transfer case shift control switch Turn/signal multi- function switch Underhood fuse block (left side of engine compt) W/ active two speed push button control transfer case W/ active two speed push button control transfer case, w/o rear window intermittent wiper system W/ dual dvd headrest system W/ rear window intermittent wiper system X114 X14 X201 X219 X221 X222 X223 X313 Power Distribution Wiring Diagram (6 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (6 of 7) for Chevrolet Suburban LT 2014 1500: 82 (approximately 7 cm from breakout to headlight switch) j219 (body jumper harness, 10 cm from breakout to left junction block) 7.5a Air bag ign fuse 40 10a Automatic level control (alc) relay (if equipped) Aux hvac-ign fuse 48 10a Auxiliary air temperature actuator Auxiliary mode actuator Cadillac Chevrolet/ gmc Chmsl pcb relay Climate control seat module (if equipped) Digital video disc (dvd) control module Digital video disc (dvd) control module inline fuse Ecm-ign fuse 56 15a Electronic compass module Engine control module (ecm) From stud 2 fuse 63 (diagram 1 of 7) From underhood fuse block g (diagram 5 of 7) Fuel pump flow control module (w/o integrated trailer brake control) Fuel pump/ trailer brake control module (10 series) trailer brake control module (20 series) G102 (lower left front of engine) Heated steering wheel control module Heated steering wheel control module inline fuse Hvac-ign fuse 55 10a Inflatable restraint passenger air bag on/off indicator Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint steering wheel module coil Inside rearview mirror (isrvm) Instrument panel cluster (ipc) J105 J278 L/gate pcb relay Left air tempe- rature actuator Left i/p junction block (left end of dash) Long wheel base Misc ign fuse 43 10a Mode actuator Nca One piece liftgate w/ fixed glass One piece liftgate w/o fixed glass Pnk Rearview camera Recirculation actuator Red Right air temperature actuator Right i/p junction block (right end of dash) Run/crank relay Secondary fuel pump relay Seo/alc fuse 54 10a Short wheel base Spo accessory headrest dvd Stop lamp switch To trans ign 1 fuse 19 (diagram 7 of 7) Transfer case shift control module (if equipped) Underhood fuse block (left side of engine compt) W/ comfort & decor level 3 convenience package W/ heated steering wheel W/ rear a/c W/ rear view camera W/ spo rear vision camera W/o heated steering wheel W/o spo rear vision camera X11 X115 X12 X123 X14 X201 X205 X217 X276 X277 X278 X304 X305 X310 X407 X409 X413 X452 X902 Power Distribution Wiring Diagram (7 of 7) for Chevrolet Suburban LT 2014 1500 List of elements for Power Distribution Wiring Diagram (7 of 7) for Chevrolet Suburban LT 2014 1500: 43 (6.0l (vin g) (forward lamp harness, 28 cm from engine oil pressure sensor) (not used) 2a1 Automatic a/c manual a/c Automatic transmission Cadillac Cadillac escalade platinum appearance Cadillac w/ additional dvd Chevrolet/ gmc Chevrolet/gmc w/ additional dvd & w/o additional dvd Cigar lighter Control solenoid valve assembly Engine control module (ecm) From aux hvac-ign h From body control module (diagram 5 of 7) From i/p fuse block (diagram 3 of 7) From underhood fuse block (diagram 3 of 7) Front digital video disc (dvd) display Front drive axle actuator Fuse 48 (diagram 6 of 7) G200 (right front of hvac case) Heated & cooled cup holder Hvac control module I/p 1 accessory power outlet J104 engine harness, approximately 15 cm from engine control module connector breakout) J127 J203 Nca Package Pnk Pnk c Rear digital video disc (dvd) display Right i/p junction block (right end of dash) x2 Trans ign 1 fuse 19 15a Underhood fuse block (left side of engine compt) Video signal splitter W/ active transfer case 2 speed push button W/o active transfer case control X109 X120 X125 X306
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Power Door Locks Wiring Diagram for Chevrolet Suburban LT 2014 1500: 59 3a7 3b2 B+ low spd gmlan serial data Bcm fuse 10a Body control module (bcm) (left side of dash) Coax Computer data lines system Ddm fuse 15a Dim fuse 10a Door lock switch Driver door latch assembly (driver's door) Driver door lock/window switch Dsm fuse 10a Endgate lock actuator (w/o one piece liftgate & w/ liftglass) (in endgate latch assembly) Exterior lights system G200 (right front corner of dash) G201 (left end of dash) G302 (under front passenger's seat) Gnd Hd lp rly Headlights system Horn rly Horns system Hot at all times I/p fuse block (left end of dash) J203 Key switch Keyless entry antenna Lbec 2 fuse 72 60a Lck 1 fuse 15a Lck 2 fuse 15a Lck cntrl Left rear door latch assembly (left rear door) Lf door ajar sw sig lo ref Lo ref Lock Lock actuator Lock cntrl Lock/ unlock pcb relay Logic Low spd gmlan serial data Park lp rly Passenger door latch assembly (front passenger's door) Passenger door lock/window switch Pdm fuse 15a Power distribution system Remote control door lock receiver (rcdlr) (except one piece liftgate: center rear of roof) (w/ one piece liftgate: left "d" pillar) Right i/p junction block (right end x1 of dash) Right rear door latch assembly (right rear door) Tan Underhood fuse block (left side of engine compt) Unlck 1 fuse 15a Unlck 2 fuse 15a Unlck cntrl Unlock X115 X409 X700 X800
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Suburban LT 2014 1500: 50 Automatic day/night mirror Aux hvac-ign fuse 48 15a Backup lp ctrl Body control module (bcm) (left side of dash) Camera sig Computer data lines system Distribution system Driver door lock/ window switch Driver outside rearview mirror Emergency switch G102 (lower left front of engine) G200 (right front corner of dash) Gnd Green Heated steering wheel) Hot at all times I/p fuse block (left end of dash) Ign volt Inside rearview mirror (isrvm) J105 J219 (w/ pnk J328 Keypad Keypad control Led sig Led sig red x1 Left i/p junction block (left end of dash) x10 Logic Low ref Lp ctrl Mirror display Mirror sig Navigation system Onstar button assembly Onstar switch Pdm fuse 15a Phone switch Pnk Power Power distribution system Red Run/ crnk relay Run/crnk rly Ser data Signal Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (w/ onstar) (center of dash) W/ power mirrors X10 X203 Power Mirrors Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Power Mirrors Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 34 (driver's outside rearview mirror jumper) (or tan) 5-volt ref Automatic day/night mirror Computer data lines system Ddm fuse 15a Defogger switch Driver door lock/ window switch Driver outside rearview mirror (if equipped) Electrochromic mirror circuit Element ctrl Extend Exterior lights system G201 (left end of dash) Gmlan serial data Gnd Hor pos sens sig Hot at all times Hvac control module I/p fuse block (left end of dash) J500 J501 L/r select Left Logic Low ref Mtr extend ctrl Mtr retract ctrl Outside rearview mirror switch Pnk Retract Right Sw pwr Ver pos sens sig Power Mirrors Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Power Mirrors Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 25 (front passenger's outside rearview mirror jumper) 3a7 3b2 5-volt ref Computer data lines system Element ctrl Exterior lights system G200 (right front corner of dash) Gmlan ser data Gnd Hor pos sens sig Hot at all times I/p fuse block (left end of dash) J203 J600 J601 Low ref Mtr extend ctrl Mtr retract ctrl Passenger door lock/window switch Passenger outside rearview mirror (if equipped) Pdm fuse 15a Power distribution system Right i/p junction block (right end x1 of dash) Ver pos sens sig
POWER SEATS Adjustable Pedal Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Adjustable Pedal Wiring Diagram for Chevrolet Suburban LT 2014 1500: 11 Body control module (bcm) (left side of dash) Eap fuse 15a Eap pcb relay Electronic adjustable pedal (eap) assembly (mounted on brake pedal assembly) G200 (right front corner of dash) Hot at all times I/p multi-function switch J200 Left i/p junction block (left end of dash) Park enable pcb relay Underhood fuse block (left side of engine compt) Climate Control Seats Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 31 (front passenger's seat harness, approximately 15 cm from lumbar motor breakout) B10 B12 Computer data lines system Cooled seats fuse 30a Ddm fuse 15a Driver back heated seat element Driver cushion heated seat element Driver seat back ventilation heating & cooling module (driver's seat back) Driver seat cushion ventilation heating & cooling module (driver's seat cushion) G201 (left end of dash) G304 (base of right "b" pillar) Gmlan Hot at all times I/p fuse block (left end of dash) J314 J317 J318 J319 (rear seat harness, approximately 9 cm from heated seat module breakout) Lh st sig Logic Memory seat module (msm) (under front of driver's seat) Passenger back heated seat element Passenger cushion heated seat element Passenger seat back ventilation heating & cooling module (front passenger's seat back) Passenger seat cushion ventilation heating & cooling module (front passenger's seat cushion) Pnk Rh st sig Tan X303 X305 Climate Control Seats Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 36 Back ind Bck & Bck & cush Computer data lines system Cool ind Cush Driver door lock/ window switch Driver memory/ heated & cooled seat switch Drv cooled seat ind ctrl Drv cooled seat sw sig Drv heat seat lo temp ind ctrl Drv htd seat back ind ctrl Drv htd seat hi temp ind ctrl Drv htd seat med temp ind ctrl Drv htd st bck & csh ind ctrl Drv htd sw dim ctrl Gmlan serial data Gnd Hi ind Lo ind Low reference Mid ind Pas htd seat back sw sig Pas htd seat hi temp ind ctrl Pas htd seat lo temp ind ctrl Pas htd seat mid temp ind ctrl Pas htd st back ind ctrl Pas htd st bck & csh ind ctrl Pas htd st bck & csh sw sig Pas htd st sw dim ctrl Pas seat cooling ind ctrl Pas seat cooling sw sig Passenger door lock/ window switch Passenger heated & cooled seat switch Seat back Seat cool Driver Power Seat Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Driver Power Seat Wiring Diagram for Chevrolet Suburban LT 2014 1500: 18 Down Driver seat 2 circuit breaker 25a Driver seat adjuster assembly (under driver's seat) Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Fwd G303 (base of left "b" pillar) Hot at all times Left i/p junction block (left end of dash) Nca Rwd Tan W/ front bucket seat W/o front bucket seat X12 X303 Front Heated Seats Wiring Diagram, with Memory (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Front Heated Seats Wiring Diagram, with Memory (1 of 2) for Chevrolet Suburban LT 2014 1500: 44 A10 A11 A12 A13 Back temp sig Computer data lines system Cushion element ctrl Cushion temp sig Driver back heated seat element Driver back ind Driver back switch Driver cushion heated seat element Driver cushion/ back ind Driver cushion/ back switch Driver seat 2 circuit breaker 25a G303 (base of left "b" pillar) Gmlan serial data Gnd High temp ind Hot at all times Hvac control module J306 J311 (driver side accessory heated seat jumper, 10 cm from heated seat element breakout) J316 (passenger side accessory heated seat jumper, 5 cm into heated seat element breakout) Left i/p junction block (left end of dash) Logic Low ref Low temp ind Med ind Med temp ind Memory seat module (under front of driver's seat) Nca Passenger back heated seat element Passenger back ind Passenger back switch Passenger cushion heated seat element Passenger cushion/ back ind Passenger cushion/ back switch Pnk Serial data Tan X12 X303 X305 Front Heated Seats Wiring Diagram, with Memory (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Front Heated Seats Wiring Diagram, with Memory (2 of 2) for Chevrolet Suburban LT 2014 1500: 33 3a7 3b2 Back & cushion ind ctrl Back ind Back ind ctrl Back switch Computer data lines system Cushion/back ind Cushion/back switch Ddm fuse 15a Dimming ctrl Driver door lock/ window switch (chevrolet/gmc) Driver heated seat switch Dsm fuse 10a G200 (right front corner of dash) G201 (left end of dash) Gnd Hi temp ind ctrl High ind Hot at all times I/p fuse block (left end of dash) J203 Low ind Low ref Low temp ind ctrl Med ind Med temp ind ctrl Passenger door lock/ window switch (chevrolet/gmc) Passenger heated seat switch Pdm fuse 15a Power distribution system Right i/p junction block (right end x1 of dash) Serial data Front Heated Seats Wiring Diagram, without Memory (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Front Heated Seats Wiring Diagram, without Memory (1 of 2) for Chevrolet Suburban LT 2014 1500: 33 A10 A11 A12 A13 Back element ctrl Back temp sens sig Computer data lines system Cushion element ctrl Cushion element sply Cushion temp sens sig Ddm fuse 15a Driver back heated seat element Driver cushion heated seat element Dsm fuse 10a Element ctrl G303 (base of left "b" pillar) Gnd Heated seat control module (under driver's seat) Hot at all times I/p fuse block (left end of dash) J306 J311 (driver side accessory heated seat jumper, 10 cm from heated seat element breakout) J316 (passenger side accessory heated seat jumper, 5 cm into heated seat element breakout) Low ref Nca Passenger back heated seat element Passenger cushion heated seat element Pnk Power distribution system Serial data Tan X303 X305 Front Heated Seats Wiring Diagram, without Memory (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for Front Heated Seats Wiring Diagram, without Memory (2 of 2) for Chevrolet Suburban LT 2014 1500: 32 3a7 3b2 Back & cushion ind ctrl Back ind Back ind ctrl Back sw ctrl Back switch Computer data lines system Cushion/back ind Cushion/back switch Dimming ctrl Driver door lock/window switch Driver heated seat switch G200 (right front corner of dash) G201 (left end of dash) Gnd Hi temp ind ctrl High ind Hot at all times I/p fuse block (left end of dash) J203 Low ind Low ref Low temp ind ctrl Med ind Med temp ind ctrl Passenger door lock/window switch Passenger heated seat switch Pdm fuse 15a Power distribution system Right i/p junction block (right end x1 of dash) Serial data Heated Steering Wheel Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Heated Steering Wheel Wiring Diagram for Chevrolet Suburban LT 2014 1500: 30 (steering column) 7.5a Aux hvac- ign fuse 15a B10 Body control module (bcm) (left side of dash) G200 (right front corner of dash) Gnd Heated steering wheel Heated steering wheel control module (in steering wheel) Heated steering wheel control module inline fuse Hot w/ run/crnk relay energized Ign Inflatable restraint steering wheel module coil x2 J214 J215 J219 J223 Led cntrl Led sig Left steering wheel control switch Low ref Nca Pnk Sns sig Sw sig Underhood fuse block (left side of engine compt) Whl cntrl X201 X276 X277 Passenger Power Seat Wiring Diagram, with Bucket Seats for Chevrolet Suburban LT 2014 1500 List of elements for Passenger Power Seat Wiring Diagram, with Bucket Seats for Chevrolet Suburban LT 2014 1500: 16 Down Fwd G304 (base of right "b" pillar) Hot at all times Left i/p junction block (left end of dash) Nca Pass seat 1 circuit breaker 25a Passenger seat adjuster motor assembly (under front passenger's seat) Passenger seat adjuster switch Passenger seat front vertical motor Passenger seat horizontal motor Passenger seat rear vertical motor Rwd Tan X11 X305 Passenger Power Seat Wiring Diagram, without Bucket Seats for Chevrolet Suburban LT 2014 1500 List of elements for Passenger Power Seat Wiring Diagram, without Bucket Seats for Chevrolet Suburban LT 2014 1500: 23 Fwd G304 (base of right "b" pillar) Hot at all times J314 Left i/p junction block (left end of dash) Nca Out Pass seat 1 circuit breaker 25a Passenger seat adjuster motor assembly (under front passenger's seat) Passenger seat adjuster switch Passenger seat front vertical motor Passenger seat horizontal motor Passenger seat lumbar horizontal motor (under front passenger's seat) Passenger seat lumbar switch Passenger seat lumbar vertical motor (under front passenger's seat) Passenger seat rear vertical motor Passenger seat recline motor (under front passenger's seat) Pnk Rwd Tan X11 X305 X325 Rear Folding Seat Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Rear Folding Seat Wiring Diagram for Chevrolet Suburban LT 2014 1500: 21 Body control module (bcm) (left side of dash) Eap fuse 15a G200 (right front corner of dash) G303 (base of left "b" pillar) G304 (base of right "b" pillar) Hot at all times I/p fuse block (left end of dash) J200 J321 Left i/p junction block (left end of dash) Left rear folding seat motor Left rear folding seat switch Logic Park enable pcb relay Rear seat fuse 20a Right rear folding seat motor Right rear folding seat switch Underhood fuse block (left side of engine compt) X12 X307 X308 Rear Heated Seats Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Rear Heated Seats Wiring Diagram for Chevrolet Suburban LT 2014 1500: 25 Computer data lines system Element ctrl G303 (base of left "b" pillar) Gnd Hot at all times I/p fuse block (left end of dash) J321 (w/ rear seat power adjuster) J339 Left rear cushion heated seat element Logic Low ref Lr htd ind Lr htd sw Nca Pnk Rear heated seat control module (under left rear seat) Rear seat audio (rsa) control Rear seat fuse 20a Right rear cushion heated seat element Rr htd ind Rr htd sw Sens sig Serial data X307 X308
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Suburban LT 2014 1500: 37 (left side of dash) body control module (bcm) 2b1 2b3 Close Express close Express open G200 (right front corner of dash) Ground Ground distribution system Hot at all times Ign volt Illumination lamp Interior lights system J203 J324 Left i/p junction block (left end of dash) Open Pnk Power distribution system Right i/p junction block (right end of dash) Roof close sig Roof open sig S/roof fuse 34 30a Sunroof control module (front of headliner) Sunroof motor Sunroof switch Sw express sig Underhood fuse block (left side of engine compt) Vent Vent close sig Vent open sig X1 2a7 X14 X2 a7 X2 b3 X313 X4 j1
POWER WINDOWS Power Windows Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Power Windows Wiring Diagram for Chevrolet Suburban LT 2014 1500: 64 (right end of dash) right i/p junction block 3a7 3b4 Body control module (left side of dash) Cadillac Computer data lines system Dn cntrl Dn sig Down Driver door lock/window switch Driver window Driver window motor (cadillac) (driver's door) Driver window motor (gmc/chevrolet) (driver's door) Driver window switch Express dn Express down G200 (right front corner of dash) G201 (left end of dash) G303 (base of left "b" pillar) G304 (base of right "b" pillar) Gmc/chevrolet Gmlan Ground Ground distribution system Hot at all times I/p fuse block (left end of dash) Illumination Interior lights system J203 Left i/p junction block (left end of dash) Left rear window motor (left rear door) Left rear window switch Lin bus Lo-speed serial data Lockout cntrl Lockout indicator dn Lockout sig Lockout sw Logic Lt dr circuit breaker 25a Passenger door lock/ window switch Passenger window motor (cadillac) (front passenger's door) Passenger window motor (gmc/chevrolet) (front passenger's door) Pwr wnd lockout rr sig Pwr wnd lockout sig Pwr wnd sw lr down sig Pwr wnd sw lr up sig Pwr wnd sw rr down sig Pwr wnd sw rr up sig Right rear window motor (right rear door) Right rear window switch Rt doors circuit breaker 25a Sig rtn Switch power Tan Up cntrl Up sig Window lr Window passenger Window rr Window switch passenger X11 X700 X800
RADIO Dual DVD Headrest Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Dual DVD Headrest Wiring Diagram for Chevrolet Suburban LT 2014 1500: 42 (not used) (or nca) (right front corner of dash) g200 Acc volt Audio l Audio r B x217 Body control module (bcm) (left side of dash) Clk Digital video disc (dvd) control module Digital video disc (dvd) noise filter Digital video disc relay Digital video disc relay inline fuse (w/o spo accessory) digital (dvd) control module inline fuse (w/ spo accessory) Driver seat headrest digital video disc (dvd) display Fm ant Fm antenna G200 (right front corner of dash) Gnd Hot at all times Hot w/ run/crank relay energized I2c data Ign volt J299 Left i/p junction block (left end x8 of dash) Passenger seat headrest digital video disc (dvd) display Pnk Power distribution system Red Seo b1 fuse 52 15a Seo/alc fuse 54 10a Serial data Underhood fuse block (left side of engine compt) Video sig (+) Video sig (-) W/ spo accessory W/o spo accessory X14 X217 X371 X372 X373 X374 Radio Wiring Diagram, with UQA, without UYS & Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500: 80 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) (not used) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Amp ctrl Amp fuse 41 30a Ant sig Aud sig C212 Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J205 Keypad sig L aud + L aud - Led cntrl Left i/p junction block (left end of dash) Left i/p junction block (left end x4 Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Of dash) Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf aud + Rf aud - Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ one piece liftgate W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Radio Wiring Diagram, with UQA, without UYS & Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500: 51 (under rear of center console) audio amplifier A13 A14 Ampl cntrl B10 B11 B12 C211 Cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation antenna: top center of dash) Coax Computer data lines system Drain wire G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J330 L infrared L subwfr+ L subwfr- Lf aud + Lf aud - Lf spk + Lf spk - Lr aud + Lr aud - Lr spk + Lr spk - Nca Pnk R infrared R subwfr+ R subwfr- Rear seat audio (rsa) control Rem enable Rf aud + Rf aud - Rf spk + Rf spk - Rr aud + Rr aud - Rr spk + Rr spk - Subwoofer speaker Tan X203 X211 X212 Radio Wiring Diagram, with UQA, without UYS & Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500: 27 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker Front digital video disc (dvd) display G301 (under front passenger's seat) J329 Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Right rear speaker Tan Video ctrl Video splitter circuit W/ additional dvd W/o additional dvd X206 X207 X306 X700 X800 Radio Wiring Diagram, with UQA, without UYS & Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500: 74 (steering column harness) j216 (under front passenger's seat) g301 12v 3a1 3a2 Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw Gmlan Gnd I/p fuse block (left end of dash) Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Left front speaker Left front tweeter speaker Navigation system Nca Pause Phone Pnk R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right steering wheel control switch Signal+ Signal- Srce Tan Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Radio Wiring Diagram, with UYS, UQA & without Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, UQA & without Y91 (1 of 4) for Chevrolet Suburban LT 2014 1500: 71 (behind right rear quarterpanel) radio antenna module (not used) (pins: 10-15 not used) (pins: 21 to 27 not used) (pins: 6-16 not used) (pins: 7 to 19 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - E sig Fl aud - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a J205 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) Keypad sig L aud + L aud - Left i/p junction block (left end of dash) Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio rear window antenna Rdo fuse 42 15a Red led Rf aud + Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Radio Wiring Diagram, with UYS, UQA & without Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, UQA & without Y91 (2 of 4) for Chevrolet Suburban LT 2014 1500: 58 (instrument panel harness, in radio connector breakout) (under rear of center console) audio amplifier A13 A14 Amp ctrl Cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation antenna: top center of dash) Coax Computer data lines system Drain wire Enable sig G200 (right front corner of dash) G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J202 J330 L infrared L subwfr + L subwfr - Lf aud + Lf aud - Lf spk + Lf spk - Lr aud (+) Lr aud (-) Lr aud + Lr aud - Lr spk + Lr spk - Navigation system Nca Pnk R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf aud + Rf aud - Rf spk + Rf spk - Rr aud (+) Rr aud (-) Rr aud + Rr aud - Rr spk + Rr spk - Subwoofer speaker Tan X203 X204 X206 X211 X212 X213 Radio Wiring Diagram, with UYS, UQA & without Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, UQA & without Y91 (3 of 4) for Chevrolet Suburban LT 2014 1500: 39 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video sig Video splitter circuit W/ additional dvd W/o additional dvd X206 X207 X211 X212 X306 X700 X800 Radio Wiring Diagram, with UYS, UQA & without Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, UQA & without Y91 (4 of 4) for Chevrolet Suburban LT 2014 1500: 70 (or 5149) (or 5152) (or nca) (pins 8 to 14 not used) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Aud sig Aud sig + Audio/video adapter Aux aud sig Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera sig (+) Camera sig (-) Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd sig Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) J217 (steering wheel harness) J324 L aud sig L aux vid L dvd+ Low ref Navigation system Nca Pause Phone Pnk R aud sig R aux vid R dvd+ Radio Remote sig Res sig Rewd Right steering wheel control switch Sig + Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Veh spd sig Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt W/ additional dvd W/o additional dvd X204 X211 X265 Radio Wiring Diagram, with UYS, Y91 & UQA (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (1 of 4) for Chevrolet Suburban LT 2014 1500: 78 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9 cm from x212 breakout) (not used) (pins: 10-15 not used) (pins: 21 to 27 not used) (pins: 35 to 37 not used) (pins: 6-16 not used) (pins: 6-8 not used) (pins: 7 to 19 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Aud sig (-) Batt Cellular Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation antenna: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - Enable sig G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a J204 J205 Keypad sig L aud + L aud - Left i/p junction block (left end of dash) Lf aud (+) Low ref Lr aud (+) Lr aud (-) Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rf aud (+) Right i/p junction block (right end x2 of dash) Rr aud (-) Rse fuse 5a Serial data Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Video splitter circuit Voice sig W/ onstar W/ radio antenna W/o luxury edition W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Radio Wiring Diagram, with UYS, Y91 & UQA (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (2 of 4) for Chevrolet Suburban LT 2014 1500: 62 (instrument panel harness, in radio connector breakout) j202 (or 1488) (or 1489) (or nca) (under rear of center console) audio amplifier Aud sig + Aud sig - Cellular, navigation & digital radio antenna (w/ digital radio) cellular & navigation antenna (w/o digital radio) (navigation antenna: top center of dash) Ckp sig high Ckp sig low Coax Computer data lines system Drain wire F center + F center _ G301 (under front passenger's seat) Gmlan Gnd Infrared ctrl Inside rearview mirror (isrvm) J330 L infrared L subwfr + L subwfr - Lf spk + Lf spk - Low refr Lr aud + Lr aud - Lr mid spk + Lr mid spk - Lr spk + Lr spk - Micro + Micro - Micro sig + Navigation system Nca Noise compensation microphone (front left of center console) Pnk R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf spk + Rf spk - Rr aud + Rr aud - Rr mid spk + Rr mid spk - Rr spk + Rr spk - Subwoofer speaker Tan W/ ltz sales packages W/o ltz sales packages X203 X204 X206 X211 X213 X329 Radio Wiring Diagram, with UYS, Y91 & UQA (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (3 of 4) for Chevrolet Suburban LT 2014 1500: 49 (left front of roof) left front radio volume compensator interior noise microphone (or nca) (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 C10 C11 C12 Center i/p speaker Ckp sig high Ckp sig low Engine control module (ecm) (except hybrid) (left side of fan shroud) Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Rear radio volume compensator interior noise microphone (rear of roof) Right front radio volume compensator interior noise microphone (right front of roof) Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video sig X109 X206 X211 X221 X306 X329 X421 X700 X800 Radio Wiring Diagram, with UYS, Y91 & UQA (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (4 of 4) for Chevrolet Suburban LT 2014 1500: 71 (or 514) (or 655) (or nca) (pins: 8 to 14 not used) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Aud sig Aud sig + Aud sig - Audio sig Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd aud sig Dvd comm Dvd sig Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) J217 (steering wheel harness) J329 L aud sig L aux vid L dvd+ Low ref Module sig Navigation system Nca Pause Phone Pnk R aud sig R aux vid R dvd+ Radio Remote sig Res sig Rewd Right steering wheel control switch Signal+ Signal- Speed sig Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt W/ additional dvd W/o additional dvd X204 X211 X265 Radio Wiring Diagram, with Y91 & UQA, without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (1 of 4) for Chevrolet Suburban LT 2014 1500: 75 (escalade: instrument panel instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness,9 cm from x212 breakout) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Amp fuse 41 30a Ant sig Aud sig Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation: top center of dash) Coax Computer data lines system Ctrl Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J204 J205 Keypad sig L aud + L aud - Led cntrl Left i/p junction block (left end of dash) Lf aud + Lf aud - Low ref Lr aud + Lr aud - Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf aud + Rf aud - Right i/p junction block (right end x2 of dash) Rr aud + Rr aud - Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ one piece liftgate W/ onstar W/ radio antenna W/o onstar W/o radio antenna X203 X208 X213 X218 X304 Radio Wiring Diagram, with Y91 & UQA, without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (2 of 4) for Chevrolet Suburban LT 2014 1500: 66 (instrument panel harness, in radio nca connector breakout) j202 (or 1488) (or 1489) (under front passenger's seat) g301 (under rear of center console) audio amplifier Cellular, navigation & digital radio antenna (w/ digital radio) cellular & navigation antenna (w/o digital radio) Centr spk + Centr spk - Ckp sig high Ckp sig low Coax Computer data lines system Drain wire G301 (under front passenger's seat) Gmlan Gnd Infrared ref Infrared v Inside rearview mirror (isrvm) J330 L infrared L subwfr + L subwfr - Lf aud + Lf aud - Lf spk + Lf spk - Lr aud + Lr aud - Lr mid spk + Lr mid spk - Lr spk + Lr spk - Micro + Micro - Micro ctrl Nca Pnk Prt + Prt - R infrared R subwfr + R subwfr - Rear seat audio (rsa) control Rf aud + Rf aud - Rf micro sig + Rf micro sig - Rf spk + Rf spk - Rr aud + Rr aud - Rr mid spk + Rr mid spk - Rr spk + Rr spk - Subwoofer speaker Tan Video splitter circuit W/ additional dvd W/o additional dvd X203 X204 X206 X211 X329 Radio Wiring Diagram, with Y91 & UQA, without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (3 of 4) for Chevrolet Suburban LT 2014 1500: 47 (left front of roof) left front radio volume compensator interior noise microphone (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 B10 B11 B12 Center i/p speaker Ckp sig high Ckp sig low Engine control module (ecm) (except hybrid) (left side of fan shroud) Front digital video disc (dvd) display G301 (under front passenger's seat) I/p fuse block (left end of dash) J329 Left front speaker Left front tweeter speaker Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video cntrl Nca video sig Pnk Rear digital video disc (dvd) display Rear radio volume compensator interior noise microphone (rear of roof) Right front radio volume compensator interior noise microphone (right front of roof) Right front speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Tan Video cntrl W/ ltz sales package W/o ltz sales package X109 X206 X211 X306 X329 X421 X700 X800 Radio Wiring Diagram, with Y91 & UQA, without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (4 of 4) for Chevrolet Suburban LT 2014 1500: 72 (front left of center console) noise compensation microphone (steering column harness) j216 12v Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) C10 C11 C12 Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Navigation system Nca Pause Phone Pnk Prt + Prt - R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right steering wheel control switch Shield Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Radio Wiring Diagram, without UQS & UQA (1 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, without UQS & UQA (1 of 3) for Chevrolet Suburban LT 2014 1500: 86 (escalade: instrument panel instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness,9 cm from x212 breakout) (if equipped) bleutooth wireless communication interface antenna (left end of dash) (not used) (or 514) (or 655) (or nca) (pins: 10-15 not used) (pins: 6-16 not used) 2a1 Ant sig Aud sig C212 Cellular telephone microphone (in roof console) Cellular, navigation & digital radio antenna (navigation: top center of dash) Coax Computer data lines system Digital radio receiver (if equipped) Drain wire Dvd vid2 + Dvd vid2 - G301 (under front passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left end of dash) Info fuse 10a Interior lights system J204 J205 Key ctrl Keypad sig L aud + L aud - L aud+ L aud- Led ctrl Left i/p junction block (left end of dash) Left i/p junction block (w/o luxury) x4 Lf spk+ Lf spk- Low ref Lr aud+ Lr aud- Nav sig Navigation antenna (if equipped) (top center of dash) Nca Pnk R aud + R aud - R aud+ R aud- Radio Radio antenna Radio antenna module (behind right rear quarterpanel) Radio rear window antenna Rdo fuse 42 15a Red led Rem sig Rf spk+ Rf spk- Right i/p junction block (right end x2 of dash) Rr aud+ Rr aud- Rse fuse 5a Tan Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (center of dash) Vid mde 2 Voice sig W/ luxury W/ one piece liftgate W/ onstar W/ radio antenna W/o luxury W/o onstar W/o radio antenna X203 X208 X212 X213 X218 X304 Radio Wiring Diagram, without UQS & UQA (2 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, without UQS & UQA (2 of 3) for Chevrolet Suburban LT 2014 1500: 69 (under front passenger's seat) g301 (w/ one piece liftgate) left "d" pillar speaker (w/ one piece liftgate) right "d" pillar speaker 3a1 3a2 A13 A14 B+ nca B10 Cellular & navigation antenna (w/o digital radio) (navigation: top center of dash) Cellular, navigation & digital radio antenna (w/ digital radio) (navigation: top center of dash) Coax Computer data lines system Drain wire Dvd+ nca Dvd- nca Enable sig Front digital video disc (dvd) display G301 (under front passenger's seat) Gmlan Gnd Gnd nca I/p fuse block (left end of dash) Infrared ref Infrared v Inside rearview mirror (isrvm) J329 J330 L infrared Left front door speaker Left front tweeter speaker Left rear speaker Lr aud + Lr aud - Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video sig Pnk R infrared Rear digital video disc (dvd) display Rear seat audio (rsa) control Right front door speaker Right front tweeter speaker Right i/p junction block (right end of dash) Right rear speaker Rr aud + Rr aud - Tan Video cntrl Video cntrl nca Video sig nca Video splitter circuit W/ additional dvd W/ rse W/o additional dvd W/o rse X203 X204 X206 X207 X211 X212 X306 X700 X800 Radio Wiring Diagram, without UQS & UQA (3 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Radio Wiring Diagram, without UQS & UQA (3 of 3) for Chevrolet Suburban LT 2014 1500: 67 (or 6972) (or 6973) (steering column harness) j216 12v Anti-lock brakes system Aud low ref Audio/video adapter Aux vid h Aux video h Body control module (bcm) (left side of dash) Camera + Camera - Computer data lines system Control system Cruise Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Forw G301 (under front passenger's seat) Gmlan Gnd Inflatable restraint steering wheel module coil (steering column) Infrared transmitter (in second row dvd assembly) Infrared+ Infrared- J217 (steering wheel harness) J329 L aud sig L aux aud L aux vid L dvd+ Navigation system Nca Pause Phone Pnk R aud sig R aux aud R aux vid R dvd+ Radio Res sig Rewd Right steering wheel control switch Signal+ Signal- Srce Transmissions system Usb Usb cable Usb receptacle Video cntrl Video sig Video splitter circuit Vol dn Vol up Volt Vss W/ additional dvd W/o additional dvd X204 X211 X265 Video Splitter Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Video Splitter Wiring Diagram for Chevrolet Suburban LT 2014 1500: 39 2a1 Drain wire Dvd + Dvd - Dvd video drain wire Dvd video sig (+) Dvd video signal (+) Dvd video signal (-) Enable sig Entertainment remote enable sig Front digital video disc (dvd) display G301 (under front passenger's seat) Gnd Hot at all times I/p fuse block (left end of dash) Infrared module ctrl Infrared transmitter (in second row dvd assembly) J205 (escalade: instrument panel harness, 19 cm from x206 breakout) (except escalade: instrument panel harness, 9cm from x212 breakout) Left i/p junction block (left end of dash) Nca Pnk Radio Radio antenna module (behind right rear quarterpanel) Rear digital video disc (dvd) display Rear seat audio (rsa) control Rear seat ent fuse 5a Video bright ctrl Video bright signal Video cntrl Video mode signal Video module signal Video sig Video signal splitter (mid left side of roof) X1 right i/p junction block (right end of dash) x2 X204 X208 X211 X296 X306
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Shift Interlock Wiring Diagram for Chevrolet Suburban LT 2014 1500: 30 (left end of dash) left i/p junction block A/t shift lk sol cntrl Automatic transmission (6 speed a/t) Automatic transmission internal mode switch (ims) Automatic transmission shift lock control solenoid (right side of steering column) Body control module (bcm) (left side of dash) Brk sw sig Computer data lines system Control solenoid valve assembly Engine control module (ecm) (left side of fan shroud) Exterior lights system G102 lower left front of engine) G200 (right front corner of dash) Gmlan hi-spd (+) Gmlan hi-spd (-) Ground Hot at all times J105 J215 Misc ign fuse 43 10a P/n signal Pnk Power distribution system Run/ crnk relay Run/crank relay ctrl Stop lamp switch Tan Transmission control module (tcm) Underhood fuse block (left side of engine compt) X205
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Charging Wiring Diagram for Chevrolet Suburban LT 2014 1500: 37 175a Aux hvac-ign fuse 48 10a Battery Body control module (bcm) (left side of dash) Cadillac Charge ind Chg ind Computer data lines system Data bus+ Data bus- Driver information center (dic) display Engine control module (ecm) (left side of fan shroud) Fuse holder G101 G103 (front of right cylinder head) G104 (front of left cylinder head) Gen sig Generator Gmc & chevrolet Hot at all times Hot w/ run/crnk relay energized Instrument panel cluster (ipc) Ipc fuse 46 10a J219 (w/ steering wheel heater) Logic Low ref Low spd gmlan Pnk Power distribution system Red Sns ctrl Sns sig Starting circuit Tan Underhood fuse block (left side of engine compt) Volt X109 Starting Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Starting Wiring Diagram for Chevrolet Suburban LT 2014 1500: 36 175a 5v ref Acc Automatic transmission (6 speed a/t) Automatic transmission internal mode switch (ims) Battery Battery current sensor Body control module (bcm) (left side of dash) Computer data lines system Control solenoid valve assembly Data bus+ Data bus- Engine control module (ecm) (left side of fan shroud) Fuse holder G101 G102 (lower left front of engine) G103 (front of right cylinder head) G104 (front of left cylinder head) Ign volt Ignition switch J105 J106 Off P/n sig Pnk Power distribution system Red Run Start Starter motor Starter relay Strt rly Strtr fuse 62 40a Tan Transmission control module (tcm) Underhood fuse block (left side of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Chevrolet Suburban LT 2014 1500: 52 (cadillac) right front inflatable restraint side impact module (driver's door) left front inflatable restraint side impact sensor (in outer edge of left front seat back) (cadillac) left front inflatable restraint side impact module (in outer edge of right front seat back) (or pnk) (top of left "c" pillar) left front inflatable restraint roof rail module (under front passenger's seat) Cadillac Discriminating sensor signal Driver seat belt sw sig G302 Gmc & chevrolet Inflatable restraint passenger seat belt tension sensor Inflatable restraint sensing & diagnostic module (sdm) (under center console) J336 (passenger seat harness, 10 cm from heated seat cushion element breakout) J338 Left roof rail mod high Left roof rail mod low Left seat position sens sig Lf side impact mod hi ctrl Lf side impact mod lo ctrl Lh hi ctrl seat belt Lh lo ctrl seat belt Lh side impact sensing mod Low ref Low ref rh side impact sensing mod Low ref rr side impact sensing mod Lr side impact sensing mod Manual lift gate w/ lift glass Manual lift gate w/o lift glass Nca Pass seat belt switch sig Passenger inflatable restraint seat position sensor (on passenger seat track assembly) Passenger seat belt buckle Passenger seat belt switch Pin shorting bars engaged Pnk Rf side impact mod hi ctrl Rf side impact mod lo ctrl Rh hi ctrl seat belt Rh lo ctrl seat belt Rh roof rail mod high ctrl Rh roof rail mod low ctrl Rh seat position sens sig Rh sig discriminating sens Right front inflatable restraint roof rail module (top of right "c" pillar) Shorting bar W/ non-bucket individual W/o non-bucket individual When module connector is disconnected from harness: (shorting bars are connected between following pins in connector x2: 13-14, 15-16, 17-18, 37-38, 39-40 & 53-54) X305 X500 Supplemental Restraints Wiring Diagram (2 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Chevrolet Suburban LT 2014 1500: 45 (front passenger's door) right front inflatable restraint side impact sensor (left rear door) left rear inflatable restraint side impact sensor (lower left front of engine compt) left inflatable restraint front end sensor (lower right front of engine compt) right inflatable restraint front end sensor (or pnk) (right rear door) right rear inflatable restraint side impact sensor A10 Air bag ind Bag on pass air Belt ind pass seat Cadillac Chevrolet & gmc Computer data lines system Driver inflatable restraint seat position sensor (on driver seat track assembly) Driver seat belt buckle Driver seat belt pretensioner (base of driver "b" pillar) Driver seat belt switch G200 (right front corner of dash) Gmlan lo spd Ind ctrl Ind ctrl bag off pass air Individual seat Inflatable restraint passenger air bag on/off indicator Instrument panel cluster J305 (driver's seat harness, approximately 5 cm into x303 breakout) J323 Left i/p junction block (left end of dash) Logic Nca Off ind air bag On ind air bag Passenger seat belt pretensioner (base of passenger "b" pillar) Pnk Seat belt ind Shorting bar W/ non-bucket front W/o non-bucket front X103 X202 X207 X303 X304 X600 X700 X800 Supplemental Restraints Wiring Diagram (3 of 3) for Chevrolet Suburban LT 2014 1500 List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Chevrolet Suburban LT 2014 1500: 46 (under front passenger's seat) (cadillac) inflatable restraint passenger presence system (pps) module (under front passenger's seat) (gmc, chevrolet hybrid) inflatable restraint passenger presence system (pps) module Air bag batt fuse 45 15a Air bag ign fuse 40 10a Batt positive volt Cadillac Computer data lines system Connector is disconnected from harness: (shorting bars are connected between following pins in connector x1: 1-2, 3-4, 5-6 & 7-8) G302 (under front passenger's seat) Gmc & chevrolet Ground H x305 x305 Hot at all times Hot w/ run crank relay energized I/p mod hi ctrl stage 1 I/p mod hi ctrl stage 2 I/p mod lo ctrl stage 1 I/p mod lo ctrl stage 2 Ign volt Inflatable restraint front passenger presence system (pps) sensor (under front passenger's seat) Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (under center console) Inflatable restraint steering wheel module (on steering wheel) Inflatable restraint steering wheel module coil (steering column) Left i/p junction block (left end of dash) Lo spd gmlan serial data Low reference Low spd gmlan Nca Pass seat best sens Pin shorting bars engaged when module Pnk Sensor signal Shorting bar Steer whl hi ctrl stage 1 Steer whl hi ctrl stage 2 Steer whl lo ctrl stage 1 Steer whl lo ctrl stage 2 Tan Underhood fuse block (left side of engine compt) Voltage reference W/ non bucket front individual seat W/o non bucket front individual seat X11 X200 X305
TRANSMISSION
5.3L VIN 0 5.3L VIN 0, A/T Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, A/T Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 75 (front of right cylinder head) g103 (or 821) Automatic transmission Automatic transmission fluid temperature (tft) sensor Aux hvac- ign fuse 48 10a Brake sw sig Cadillac Computer data lines system Control solenoid valve assembly Driver information center display (dic) Engine control module (ecm) (left side of fan shroud) Exterior lights system G pnk G201 (left end of dash) Gmc/ chevrolet Gmlan serial data bus + Gmlan serial data bus - Gnd Ground distribution system Hot at all times Hot w/ run/crank relay energized Ign Ign vol Ign voltage Instrument panel cluster (ipc) J104 (engine harness, approximately 15 cm from engine control module connector breakout) J106 J150 J219 (w/ heated steering wheel) Left i/p junction block (left end of dash) Logic Low reference Mil ctrl Mil ind Misc ign fuse 43 10a Park/neutral sig Pc solenoid 1 control Pc solenoid 2 control Pc solenoid 3 control Pc solenoid 4 control Pc solenoid 5 control Pnk Power distribution system Pressure control (pc) solenoid valve 1 Pressure control (pc) solenoid valve 2 Pressure control (pc) solenoid valve 3 Pressure control (pc) solenoid valve 4 Pressure control (pc) solenoid valve 5 Replicated tos sig Ser data Serial data bus + Serial data bus - Shift solenoid (ss) 1 control Shift solenoid (ss) 2 control Shift solenoid (ss) valve 1 Shift solenoid (ss) valve 2 Signal return Stop lamp switch Tan Tcm-batt fuse 14 10a To control solenoid valve assembly (diagram 2 of 2) Torque converter clutch (tcc) pressure control (pc) solenoid valve Torque converter clutch pressure control solenoid control Tow/ haul ind Trans ign1 fuse 19 15a Transmission control module (tcm) Transmission fluid temperature (tft) sensor signal Underhood fuse block (left side of engine compt) Vehicle speed sensor (vss) (rear of transmission) W/ active control transfer case W/o active control transfer case Wake up serial data Wakeup serial data X109 X205 5.3L VIN 0, A/T Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, A/T Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 46 (left end of dash) (if equipped) transfer case shift control module 12v Accessory wake up serial data Automatic transmission Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission internal mode switch (ims) Automatic transmission manual shift switch Automatic transmission shift lever Body control module (left side of dash) Computer data lines system Control solenoid valve assembly Cruise control system From control solenoid valve assembly (diagram 1 of 2) G201 (left end of dash) Gmlan serial data bus + Gmlan serial data bus - Ground Input speed sensor (iss) Input speed sensor (iss) signal Iss/oss ctrl J127 J207 (w/ active transfer case control) (instrument panel harness, in transfer case shift control module connector breakout) J216 (steering column harness) J217 Nca Output speed sensor (oss) Output speed sensor (oss) signal Pnk Red Start Tan Tap up/ tap down sw sig Tfp switch 1 voltage Tfp switch 3 voltage Tfp switch 4 voltage Tfp switch 5 voltage Tow/ haul sw sig Tow/ haul switch Transmission control module (tcm) Transmission range switch sig a Transmission range switch sig b Transmission range switch sig c Transmission range switch sig p X1 pnk X109 X3 tan 5.3L VIN 0, Transfer Case Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram for Chevrolet Suburban LT 2014 1500: 92 (instrument panel harness, 7 cm from under hood fuse block x5 breakout) (left end of dash) g201 (on transfer case encoder motor) transfer case 2/4 wheel drive actuator position sensor (or pnk) 2 hi 2-hi ind 2h ind ctrl 4 hi 4 lo 4-hi ind 4-lo ind 4h ind ctrl 4l ind ctrl 4wd indicator 5 vol ref 5v ref 8 vol ref Auto Auto 4wd ind Aux hvac-ign fuse 48 10a Awd ind ctrl Axle actuator ctrl Axle sw sig B11 B12 Body control module (bcm) (left side of dash) Brake control C10 C11 Cadillac Computer data lines system Data ser Encoder Encoder sig Engine) Front drive axle actuator (front axle housing) Front hi sig Front lo sig Front of Front propshaft speed sensor G102 lower G200 (right front corner of dash) Gmc/ chevrolet Gnd Ground distribution system Hot at all times Hot w/ run/crank relay energized Ign vol Illumination Instrument panel cluster (ipc) Interior lights system J105 J113 J200 J219 (w/ heated steering wheel) Left Left i/p junction block Lock sol ctrl Logic Low ref Misc ign fuse 43 10a Motor ctrl a Motor ctrl b Nca Neut Neutral ind Neutral ind ctrl Pnk Power distribution system Rear hi sig Rear lo sig Rear propshaft speed sensor Sens sig Serial data bus + Serial data bus - Shift motor Sw sig Tan Trans ign1 fuse 19 15a Transfer case control Transfer case encoder motor (left side of transfer case) Transfer case shift control module (left end of dash) Transfer case shift control switch Trec fuse 67 30a Underhood fuse block (left side of engine compt) W/ active two speed W/ wiper system W/o wiper system Wake up sig X1 (left end of dash) X109 X125
5.3L VIN 7 5.3L VIN 7, A/T Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, A/T Wiring Diagram (1 of 2) for Chevrolet Suburban LT 2014 1500: 75 (front of right cylinder head) g103 (or 821) Automatic transmission Automatic transmission fluid temperature (tft) sensor Aux hvac- ign fuse 48 10a Brake sw sig Cadillac Computer data lines system Control solenoid valve assembly Driver information center display (dic) Engine control module (ecm) (left side of fan shroud) Exterior lights system G pnk G201 (left end of dash) Gmc/ chevrolet Gmlan serial data bus + Gmlan serial data bus - Gnd Ground distribution system Hot at all times Hot w/ run/crank relay energized Ign Ign vol Ign voltage Instrument panel cluster (ipc) J104 (engine harness, approximately 15 cm from engine control module connector breakout) J106 J150 J219 (w/ heated steering wheel) Left i/p junction block (left end of dash) Logic Low reference Mil ctrl Mil ind Misc ign fuse 43 10a Park/neutral sig Pc solenoid 1 control Pc solenoid 2 control Pc solenoid 3 control Pc solenoid 4 control Pc solenoid 5 control Pnk Power distribution system Pressure control (pc) solenoid valve 1 Pressure control (pc) solenoid valve 2 Pressure control (pc) solenoid valve 3 Pressure control (pc) solenoid valve 4 Pressure control (pc) solenoid valve 5 Replicated tos sig Ser data Serial data bus + Serial data bus - Shift solenoid (ss) 1 control Shift solenoid (ss) 2 control Shift solenoid (ss) valve 1 Shift solenoid (ss) valve 2 Signal return Stop lamp switch Tan Tcm-batt fuse 14 10a To control solenoid valve assembly (diagram 2 of 2) Torque converter clutch (tcc) pressure control (pc) solenoid valve Torque converter clutch pressure control solenoid control Tow/ haul ind Trans ign1 fuse 19 15a Transmission control module (tcm) Transmission fluid temperature (tft) sensor signal Underhood fuse block (left side of engine compt) Vehicle speed sensor (vss) (rear of transmission) W/ active control transfer case W/o active control transfer case Wake up serial data Wakeup serial data X109 X205 5.3L VIN 7, A/T Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, A/T Wiring Diagram (2 of 2) for Chevrolet Suburban LT 2014 1500: 46 (left end of dash) (if equipped) transfer case shift control module 12v Accessory wake up serial data Automatic transmission Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission internal mode switch (ims) Automatic transmission manual shift switch Automatic transmission shift lever Body control module (left side of dash) Computer data lines system Control solenoid valve assembly Cruise control system From control solenoid valve assembly (diagram 1 of 2) G201 (left end of dash) Gmlan serial data bus + Gmlan serial data bus - Ground Input speed sensor (iss) Input speed sensor (iss) signal Iss/oss ctrl J127 J207 (w/ active transfer case control) (instrument panel harness, in transfer case shift control module connector breakout) J216 (steering column harness) J217 Nca Output speed sensor (oss) Output speed sensor (oss) signal Pnk Red Start Tan Tap up/ tap down sw sig Tfp switch 1 voltage Tfp switch 3 voltage Tfp switch 4 voltage Tfp switch 5 voltage Tow/ haul sw sig Tow/ haul switch Transmission control module (tcm) Transmission range switch sig a Transmission range switch sig b Transmission range switch sig c Transmission range switch sig p X1 pnk X109 X3 tan 5.3L VIN 7, Transfer Case Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for 5.3L VIN 7, Transfer Case Wiring Diagram for Chevrolet Suburban LT 2014 1500: 92 (instrument panel harness, 7 cm from under hood fuse block x5 breakout) (left end of dash) g201 (on transfer case encoder motor) transfer case 2/4 wheel drive actuator position sensor (or pnk) 2 hi 2-hi ind 2h ind ctrl 4 hi 4 lo 4-hi ind 4-lo ind 4h ind ctrl 4l ind ctrl 4wd indicator 5 vol ref 5v ref 8 vol ref Auto Auto 4wd ind Aux hvac-ign fuse 48 10a Awd ind ctrl Axle actuator ctrl Axle sw sig B11 B12 Body control module (bcm) (left side of dash) Brake control C10 C11 Cadillac Computer data lines system Data ser Encoder Encoder sig Engine) Front drive axle actuator (front axle housing) Front hi sig Front lo sig Front of Front propshaft speed sensor G102 lower G200 (right front corner of dash) Gmc/ chevrolet Gnd Ground distribution system Hot at all times Hot w/ run/crank relay energized Ign vol Illumination Instrument panel cluster (ipc) Interior lights system J105 J113 J200 J219 (w/ heated steering wheel) Left Left i/p junction block Lock sol ctrl Logic Low ref Misc ign fuse 43 10a Motor ctrl a Motor ctrl b Nca Neut Neutral ind Neutral ind ctrl Pnk Power distribution system Rear hi sig Rear lo sig Rear propshaft speed sensor Sens sig Serial data bus + Serial data bus - Shift motor Sw sig Tan Trans ign1 fuse 19 15a Transfer case control Transfer case encoder motor (left side of transfer case) Transfer case shift control module (left end of dash) Transfer case shift control switch Trec fuse 67 30a Underhood fuse block (left side of engine compt) W/ active two speed W/ wiper system W/o wiper system Wake up sig X1 (left end of dash) X109 X125
TRUNK, TAILGATE, FUEL DOOR Liftgate Release Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Liftgate Release Wiring Diagram for Chevrolet Suburban LT 2014 1500: 44 (not used) (right "d" pillar) g402 175a Ajar sw sig B10 B11 Body control module (bcm) (left side of dash) Cadillac Chevrolet & gmc Computer data lines system Connector adapter Driver information center (dic) display Endgate rly coil G402 (right "d" pillar) Generator inline fuse Gmlan serial Handle sw open sig liftgate ajar sw Hot at all times I/p fuse block (left end of dash) Instrument panel cluster (ipc) J902 (approximately 22 cm from liftgate latch assembly breakout) J903 J906 L/gate pcb relay L/gate relse fuse 15a L/glass ctrl L/glass ctrl 2 Liftgate handle switch Liftgate latch assembly (bottom center of liftgate) Liftgate window ajar switch Liftgate window latch assembly (bottom center of lift glass) Liftgate window release actuator Liftgate window release switch Logic Nca Pnk Rear window wiper motor (center of liftgate) Release sig Rt stop trn fuse 15a Tan Underhood fuse block (left side of engine compt) X207 X405 X901 a Power Liftgate Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Power Liftgate Wiring Diagram for Chevrolet Suburban LT 2014 1500: 62 (approximately 7 cm from liftgate latch assembly breakout) (right front corner of dash) g200 Ajar sw Ajar sw sig Cadillac Chevrolet & gmc Computer data lines system Connector adapter Dis engage ctrl Driver information center (dic) display Engage ctrl G402 (right "d" pillar) Gmlan serial Gnd Hot at all times I/p fuse block (left end of dash) Instrument panel cluster (ipc) Interior liftgate control switch Interior lights system J323 J400 J903 J904 Latch mtr close Latch mtr open Left liftgate object sensor (left edge of liftgate) Lgm fuse 30a Liftgate actuator assembly (left rear of cargo area) Liftgate actuator clutch Liftgate actuator motor Liftgate actuator switch Liftgate close switch (bottom right of liftgate) Liftgate handle switch Liftgate latch assembly (bottom center of liftgate) Liftgate window ajar switch Liftgate window latch assembly (bottom center of lift glass) Logic Low ref Mtr close Mtr open Nca Obj sns 2 Obs det fuse 10a Open sw Open/close sw Pawl sw Pos sig 1 Pos sig 2 Power liftgate module (left rear of cargo area) Ratchet sw Right liftgate object sensor (right edge of liftgate) Sector sw Sig rtn Sw open sig Sw signal Tan Underhood fuse block (left side of engine compt) Wiper/washer system X202 X304 X403 X405 Retractable Running Boards Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Retractable Running Boards Wiring Diagram for Chevrolet Suburban LT 2014 1500: 34 10 volt ref Assist step control module (left frame rail under driver's door) Batt Cadillac Chevrolet & gmc Computer data lines system D x117 Disable signal Elec run board fuse 30a G110 (left rear of engine compt) G201 (left end of dash) Gmlan serial Ground Hot at all times I/p multi-function switch J201 J343 L ctrl extend L ctrl retract Left running board (under left side of vehicle) Logic Low reference Pnk R ctrl extend R ctrl retract Right running board (under right side of vehicle) Sens left sig Sens right sig Tan Underhood fuse block (left side of engine compt) W/ side object detection W/o side object detection X117 X117 c
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Warning Systems Wiring Diagram for Chevrolet Suburban LT 2014 1500: 85 (left end of dash) g201 (or pnk) 450 (or 451) Acc Auto Bcm fuse 10a Body control module (bcm) (left side of dash) Brake fluid level switch (brake fluid reservoir) Brake ind Bus (+) Bus (-) Cadillac Chevrolet/gmc Computer data lines system Dim fuse 10a Dlis fuse 35 2a Driver door latch assembly (driver's door) Driver door lock/window switch Driver information center display (dic) Driver seat belt buckle Driver seat belt switch Drv seat sig G103 (front of right cylinder head) G201 (left end of dash) G303 (base of left "b" pillar) G304 (base of right "b" pillar) Gmlan Gnd Hdlp off sig Hdlp on sig Head Headlamp & panel dimmer switch Hot at all times I/p fuse block (left end of dash) Ign Ignition switch Inflatable restraint sensing & diagnostic module (sdm) (under center console) Instrument panel cluster (ipc) Is lamps fuse 10a J201 J212 J305 (driver's seat harness, approximately 5 cm into x303 breakout) J336 (passenger seat harness, 10 cm from heated seat cushion element breakout) Key-in switch Left i/p junction block (left end of dash) Left rear door latch assembly (left rear door) Lf ajar sig Logic Low ref Low tire pressure ind Lr ajar sw Nca Off Park Park auto Park brake switch (base of park brake assembly) Pass seat sig Passenger door latch assembly (front passenger's door) Passenger door lock/window switch Passenger seat belt buckle Passenger seat belt switch Pnk Prk brk sw Prk lp sig Radio Rf ajar sig Right rear door latch assembly (right rear door) Rr ajar sw Run Seat belt ind Serial data Start Stop lamps fuse 15a Tan Underhood fuse block (left side of engine compartment) W/ non-bucket front individual seat W/ non-bucket individual seat W/o non- bucket individual seat W/o non-bucket front individual seat X109 X202 X303 X305 X700 X800
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Front Wiper/Washer Wiring Diagram for Chevrolet Suburban LT 2014 1500: 54 (not used) 175a Batt + Bcm fuse 10a Body control module (bcm) (left side of dash) Cadillac Chevrolet/gmc Computer data lines system Driver information center (dic) display F x103 Frt wash fuse 7 15a Frt wash pcb relay Frt wiper sw hi sig Frt wpr fuse 36 25a Fuse holder G100 (lower left radiator support) G101 G102 (lower left front of engine) G201 (left end of dash) Gmlan serial data bus + Gmlan serial data bus - Gnd Ground distribution system Hot at all times I/p fuse block (left end of dash) Instrument panel cluster (ipc) J100 J105 Logic Low ref Mist Mtr park sw sig Off Pnk Power distribution system Pulse Tan Turn signal/ multi-function switch Underhood fuse block (left side of engine compt) Washer rly ctrl Washer sw sig Washer switch Windshield washer fluid level switch (washer fluid reservoir) Windshield washer fluid pump (washer fluid reservoir) Windshield wiper motor (left rear of engine compt) Windshield wiper sw sig 2 Wiper 1 pcb relay Wiper 2 pcb relay Wiper sw hi sig Wiper sw lo sig Wiper switch X1 left i/p junction block (left end of x1 dash) X201 X6 a Rear Wiper/Washer Wiring Diagram for Chevrolet Suburban LT 2014 1500 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Suburban LT 2014 1500: 41 (cadillac) (gmc/chevrolet) 175a Ajar sw sig Body control module (bcm) (left side of dash) Fuse holder G101 G102 (lower left front of engine) G402 (right "d" pillar) Ground Hot at all times I/p fuse block (left end of dash) J101 J902 (liftgate harness, approximately 22 cm from liftgate latch assembly breakout) J903 L/gate cntrl L/gate sig L/glass sig Liftgate latch assembly (bottom center of liftgate) Liftgate module (lgm) (if equipped) (left rear of cargo area) Liftgate window latch assembly (bottom center of liftglass) Logic Nca Power distribution system Rear wash fuse 23 15a Rear wash pcb relay Rear window washer fluid pump (washer fluid reservoir) Rear window wiper motor (center of liftgate) Rear wpr fuse 25a Release ctrl Release ctrl 2 Sw control Sw sig Tan Trunk, tailgate, fuel doors system Turn signal/ multi-function switch Underhood fuse block (left side of engine compt) W/ power liftgate W/o power liftgate X201 X202 X405
