Diagram sections — 12 (74 total)
POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Door Locks Wiring Diagram, with Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500: 64 3a4 3a6 3b3 3b4 A13 Ant Back door unlck diode Bcm fuse 10a Body control module (bcm) (lower left side of dash) Coax Comfort & decor level 3 Computer data lines system Convenience package Dim fuse 7 10a Driver door latch assembly (rear of driver's door) Driver door lock switch Driver door unlck diode Driver information center (dic) display Dsm fuse 25 10a Except comfort & decor level 3 Front door lck diode G201 (upper left corner of dash) G302 (below right side of passenger's seat) Gmlan Gnd Ground distribution system Hot at all times I/p fuse block (left side of dash) Instrument panel cluster (ipc) Interior lights system J502 J602 Keyless entry antenna Lck 1 fuse 21 15a Lck 2 fuse 11 15a Lck cntrl Lck sig Left rear door latch assembly (crew cab) (rear of left rear door) Lock actuator Lock pcb relay Logic Passenger door latch assembly (rear of passenger's front door) Passenger door lock switch Pdm fuse 9 drv unlck fuse 26 15a Power distribution system Rear door lck diode Remote control door lock receiver (rcdlr) (top rear of passenger compt) Right i/p junction block (in right x3 end of dash) Right rear door latch assembly (crew cab) (rear of right rear door) Security indicator System interior lights Tan Unlck 1 fuse 18 15a Unlck 2 fuse 10 15a Unlck cntrl Unlck sig Unlock pcb relay W/ power window W/o power window X202 X501 X600 X700 X800 Power Door Locks Wiring Diagram, without Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Door Locks Wiring Diagram, without Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500: 57 (left side of engine compt) 3b2 4a7 6.6l Bcm fuse 15 10a Body control module (bcm) (lower left side of dash) Coax Computer data lines system Ddm fuse 4 15a Dim fuse 7 10a Driver door latch assembly (in rear of driver's front door) Driver door lock actuator Driver door lock switch Driver door lock/ window switch Driver information center (dic) display Dsm fuse 25 10a Except 6.6l G200 (on right front corner of hvac module) G201 (upper left corner of dash) G302 (below right side of passenger's seat) Gmlan Gnd Ground distribution system Hot at all times I/p fuse block (left side of dash) Instrument panel cluster (ipc) Key switch Keyless entry antenna Lbec 2 fuse 72 fuse 67 60a Lck 1 fuse 21 15a Lck cntrl Left rear door latch assembly (crew cab) (rear of left rear door) Level 3 convenience package Lock Lock actuator Lock/ unlock pcb relay Logic Low ref Passenger door latch assembly (in rear of passenger's front door) Passenger door lock actuator Passenger door lock switch Passenger door lock/ window switch Pdm fuse 9 15a Power distribution system Remote control door lock receiver (rcdlr) (top rear of passenger compt) Right i/p junction block (in right x6 end of dash) Right rear door latch assembly (crew cab) (rear of right rear door) Security indicator Sw sig Tan Underhood fuse block Unlck 1 fuse 18 15a Unlck cntrl Unlock W/ comfort & decor X700 X800
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 51 (except 4.3l & 6.6l: on lower left front of engine) (4.3l: top left rear of engine) (6.6l: on front of right cylinder head) (if equipped) mirror display 4.3l 6.6l Automatic day/night mirror Aux hvac ign fuse 45 fuse 48 10a Backup rly Body control module (bcm) (lower left side of dash) Driver door lock/ window switch Driver outside rearview mirror (w/ power folding mirror) Emergency sw Except 4.3l & 6.6l Except 6.6l Exterior lights system G102 g107 g103 G200 (on right front corner of hvac module) Gnd Green light Hot at all times I/p fuse block (left side of dash) Ign 1 Inside rearview mirror (isrvm) J105 J220 (w/ pnk J328 Led sig Left i/p junction block (lower left side of dash) Logic Low ref Mirr sig Mirror day/night automatic Navigation system Onstar button assembly Onstar sw Pnk Power distribution system Red light Run/crank rly Run/crnk relay Selector switch Sig Steering wheel heater) Tele- phone sw Underhood fuse block (left side of engine compt) Vehicle communication interface module (vcim) (behind center of dash) Video sig + Video sig - Volt W/ comfort & decor level 3 convience package X10 X203 Power Mirrors Wiring Diagram, with Power Folding Mirror (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Mirrors Wiring Diagram, with Power Folding Mirror (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 35 5v ref Automatic day/night mirror Computer data lines system Ddm fuse 4 15a Defogger switch Down Driver door lock/ window switch Driver outside rearview mirror Electrochromic mirror circuit Extend Extend ctrl Exterior lights system G201 (upper left corner of dash) Gnd Ground distribution system Hot at all times Hvac control module I/p fuse block (left side of dash) J500 (in driver's outside rearview mirror jumper) J501 (in driver's outside rearview mirror jumper) L/r select Left Logic Low ref Mtr comm Outside rearview mirror switch Pnk Position ctrl Retract Retract ctrl Right Sens sig Serial data Sply volt Sw pwr Power Mirrors Wiring Diagram, with Power Folding Mirror (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Mirrors Wiring Diagram, with Power Folding Mirror (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 25 3b2 4a7 5v ref Computer data lines system Extend ctrl Exterior lights system G200 (on right front corner of hvac module) Gnd Ground distribution system Hot at all times I/p fuse block (left side of dash) J600 (in passenger's outside rearview mirror jumper) J601 (in passenger's outside rearview mirror jumper) Low ref Mtr comm Passenger door lock/ window switch Passenger outside rearview mirror Pdm fuse 9 15a Position ctrl Power distribution system x1 Retract ctrl Right i/p junction block (in right end of dash) x6 Sens sig Serial data Sply volt Power Mirrors Wiring Diagram, without Power Folding Mirror for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Mirrors Wiring Diagram, without Power Folding Mirror for Chevrolet Silverado HD LTZ 2013 3500: 18 Defogger system Down Driver outside rearview mirror Exterior lights system G201 (upper left corner of dash) Hot at all times I/p fuse block (left side of dash) Interior lights system J502 Left Nca Outside rearview mirror switch Passenger outside rearview mirror Pwr mir fuse 14 2a Right Tan X500 X600
POWER SEATS Adjustable Pedal Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Adjustable Pedal Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 14 (except 6.6l) (6.6l) Body control module (bcm) (lower left side of dash) Eap fuse 38 fuse 35 15a Electronic adjustable pedal (eap) assembly (under left side of dash) Electronic adjustable pedals pcb relay Fwd G200 (on right front corner of hvac module) Hot at all times I/p multi-function switch J200 Left i/p junction block (lower left side of dash) Park enable pcb relay Rwd Underhood fuse block (left side of engine compt) Climate Control Seats Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 29 B10 B12 Computer data lines system Cooled seats fuse 24 30a x2 Ddm fuse 4 15a Driver back heated seat element (in driver's seat back) Driver cushion heated seat element (in driver's seat cushion) Driver seat back ventilation heating & cooling module Driver seat cushion ventilation heating & cooling module G304 (except extended cab: on lower right "b" pillar) (extended cab: right "c" pillar) Gmlan Hot at all times I/p fuse block (left side of dash) J314 J317 J318 J319 (in driver seat harness, 9 cm from heated seat cushion element breakout) Lh st sig Logic Memory seat module (msm) (under front of driver's seat) Passenger back heated seat element (in passenger's seat back) Passenger cushion heated seat element (in passenger's seat cushion) Passenger seat back ventilation heating & cooling module Passenger seat cushion ventilation heating & cooling module Pnk Rh st sig Tan X303 X305 Climate Control Seats Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 49 (on right front corner of hvac module) g200 3b2 4a7 Back ind Batt pos volt Bck & Bck & cush Computer data lines system Cool ind Cush Dash) Driver door lock/ window switch Driver memory/ heated & cooled seat switch Drv heat cool ctrl Drv heat cool sw sig Drv heat hi temp ctrl Drv heat lo temp ctrl Drv heat mid temp ctrl Drv seat back ctrl Drv st bck & csh ctrl G201 (upper left corner of dash) Gmlan serial data Gnd Ground distribution system Hi ind Hot at all times I/p fuse block (left side of dash) Lo ind Low reference Memory sw dim ctrl Mid ind Pas heat back ctrl Pas heat cool ctrl Pas heat cool sw sig Pas heat hi temp ctrl Pas heat lo temp ctrl Pas heat mid temp ctrl Pas seat back ctrl Pas st bck & csh ctrl Passenger door lock/ window switch Passenger heated & cooled seat switch Pdm fuse 9 15a Pnk Power distribution system Right i/p junction block (in right end of x3 Seat back Seat cool Seat heat Tan Driver Power Seat Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Driver Power Seat Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 16 Driver seat 2 circuit breaker cb3 25a Driver seat adjuster motor assembly (on driver's seat track) Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Fwd G303 (crew cab/ extended cab) (crew cab: on lower left "b" pillar) (extended cab: left "c" pillar) G304 (regular cab) (on lower right "b" pillar) Hot at all times Left i/p junction block (lower left side of dash) Nca Rwd Tan X12 X303 Heated Seats Wiring Diagram, with Memory (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Heated Seats Wiring Diagram, with Memory (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 29 (extended cab: left "c" pillar) (regular cab: on lower left "b" pillar) g303 A10 A11 A12 A13 Computer data lines system Driver back heated seat element (in driver's seat back) Driver cushion heated seat element (in driver's seat cushion) Driver seat 2 circuit breaker cb3 25a Elem ctrl Gnd Hot at all times J306 J311 (heated driver seat harness, 10 cm from heated seat elements breakout) J316 (heated passenger seat harness, 10 cm from heated seat elements breakout) Left i/p junction block (lower left side of dash) Low ref Memory seat module (under front of driver's seat) Nca Passenger back heated seat element (in passenger's seat back) Passenger cushion heated seat element (in passenger's seat cushion) Pnk Serial data Sply volt Tan Temp sig X12 X303 X305 Heated Seats Wiring Diagram, with Memory (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Heated Seats Wiring Diagram, with Memory (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 38 3b2 4a7 Back & cushion ind ctrl Back & cushion sw Back ind ctrl Back seat ind Back sig Back sw Computer data lines system Cushion/ back sw Cushion/back ind Cushion/back sw Ddm fuse 4 15a Dimming ctrl Driver door lock/ window switch Driver heated seat switch Dsm fuse 25 10a G200 (on right front corner of hvac module) G201 (upper left corner of dash) Gnd Ground distribution system Hi temp ind ctrl High ind Hot at all times I/p fuse block (left side of dash) 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 9 15a Power distribution system Right i/p junction block (in right end of dash) Seat back ind Seat back sw Serial data Heated Seats Wiring Diagram, without Memory (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Heated Seats Wiring Diagram, without Memory (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 41 (except 6.6l) (6.6l) (in driver seat harness, 5c from memory seat module x4 breakout) Back & cushion heat ind Back heat Back heat ind Computer data lines system Cushion & back heat Cushion heat Cushion temp Driver back heated seat element (in driver's seat back) Driver cushion heated seat element (in driver's seat cushion) Element volt G200 (on right front corner of hvac module) Ground Heated seat control module Heated seat cushion High heat ind Hot at all times J311 J316 (in passenger seat harness, 5 cm from x305 breakout) J350 Left i/p junction block (lower left side of dash) Low heat ind Low ref Low speed gmlan Medium heat ind Nca Passenger back heated seat element (in passenger's seat back) Pnk Power distribution system Seat back heat Seat back temp Seo b2 fuse 37 fuse 34 30a Tan Underhood fuse block (left side of engine compt) X14 X331 X331 h X331 j X332 X332 d Heated Seats Wiring Diagram, without Memory (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Heated Seats Wiring Diagram, without Memory (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 20 (heated seat body harness, 5 cm into heated seat switches breakout) j351 Back Back ind Cushion & back Cushion & back ind Driver heated seat switch G200 (on right front corner of hvac module) High Interior lights system J350 Low Mid Nca Passenger cushion heated seat element (in passenger's seat cushion) Passenger heated seat switch Pnk Tan X330 X331 X332 Heated Steering Wheel Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Heated Steering Wheel Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 34 (except 6.6l) (6.6l) (on right front corner of hvac module) g200 7.5a Aux hvac ign fuse 48 fuse 45 10a B10 Body control module (bcm) (lower left side of dash) Dim sig G200 (on right front corner of hvac module) Gnd Heated steering fuse holder (on steering column) Heated steering wheel Heated steering wheel control module (in steering wheel) Heated steering wheel ind Heated steering wheel switch Hot w/ run/crnk relay energized Ign Inflatable restraint steering wheel module coil (behind steering wheel) Inflatable restraints steering wheel module coil (behind steering wheel) J214 J215 J220 Led cntrl Left steering wheel control switch Nca Pnk Red Sns sig Sw sig Underhood fuse block (left side of engine compt) Volt ref Whl cntrl X201 X276 X277 Passenger Power Seat Wiring Diagram, 6-Way Power Seat for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Passenger Power Seat Wiring Diagram, 6-Way Power Seat for Chevrolet Silverado HD LTZ 2013 3500: 16 Fwd G304 (except extended cab: on lower right "b" pillar) (extended cab: right "c" pillar) Hot at all times J304 Left i/p junction block (lower left side of dash) Nca Pass seat 1 circuit breaker cb2 25a Passenger seat adjuster motor assembly (on passenger's seat track) 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, 8-Way Power Seat for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Passenger Power Seat Wiring Diagram, 8-Way Power Seat for Chevrolet Silverado HD LTZ 2013 3500: 24 (in passenger's seat back) Fwd G304 (except extended cab: on lower right "b" pillar) (extended cab: right "c" pillar) Hot at all times J314 J315 Left i/p junction block (lower left side of dash) Nca Pass seat 1 circuit breaker cb2 25a Passenger seat adjuster motor assembly (on passenger's seat track) Passenger seat adjuster switch Passenger seat front vertical motor Passenger seat horizontal motor Passenger seat lumbar horizontal motor (in passenger's seat back) Passenger seat lumbar switch Passenger seat lumbar vertical motor Passenger seat rear vertical motor Passenger seat recline motor (lower right side of passenger's seat back) Pnk Rwd Tan X11 X305 X325
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 35 (gasoline) (diesel) 2b1 2b3 Acc volt B x313 Body control module (bcm) (lower left side of dash) Close Comfort & decor level 3 convenience package w/o individual front seat & power mirror Crew cab Except comfort & decor level 3 convenience package w/o individual front seat & power mirror Express close (crew cab) Express open G200 (on right front corner of hvac module) Ground Hot at all times Illumination lamp Interior lights system J231 J324 Left i/p junction block (lower left side of dash) Open Pnk Power distribution system Right i/p junction block (in right end of dash) x2 Roof close sig Roof open sig S/roof fuse 34 fuse 31 30a Sunroof module (in front of sunroof, above headliner) Sunroof motor Sunroof switch Sw xprs sig Underhood fuse block (left side of engine compartment) Vent Vnt close sig Vnt open sig
POWER WINDOWS Power Windows Wiring Diagram, with Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Windows Wiring Diagram, with Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500: 63 (in right end of dash) right i/p junction block (on lower left "b" pillar) (extend cab/ crew cab) g303 (upper left corner of dash) g201 3b4 Accessory voltage B+ volt Body control module (bcm) (lower left side of dash) Crew cab Down Down sig Driver window motor (inside driver's door) Driver window switch Express Extended cab w/ rear side access door G200 (on right front corner of hvac module) G304 (except extended cab: on lower right "b" pillar) (extended cab: right "c" pillar) Ground Hot at all times I/p fuse block (left side of dash) Illumination Interior lights system J231 J502 J603 Left front window switch Left i/p junction block (lower left side of dash) x1 Left rear window motor (in left rear door) Left rear window switch Lf down ctrl Lf up ctrl Lockout rr ctrl Lockout sig Logic Lr down ctrl Lr down sig Lr up ctrl Lr up sig Lt dr circuit breaker 25a Pass down sig Pass up sig Passenger window motor (inside passenger's door) Passenger window switch Rf down ctrl Rf up ctrl Right front window switch Right rear window motor (in right rear door) Right rear window switch Rr down ctrl Rr down sig Rr up ctrl Rr up sig Rt doors circuit breaker cb1 25a Sig Tan Up sig Window switch right rear X11 X202 X500 X501 X600 X700 X800 Power Windows Wiring Diagram, without Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Power Windows Wiring Diagram, without Bucket Seats & Power Mirrors for Chevrolet Silverado HD LTZ 2013 3500: 63 (on lower left "b" pillar) (extend cab/ crew cab) g303 (upper left corner of dash) 3b1 3b4 4a7 B+ volt Body control module (bcm) (lower left side of dash) Crew cab Down Driver door lock/window switch Driver window motor (inside driver's door) Express Extended cab w/ rear side access door G200 (on right front corner of hvac module) G201 G304 (except extended cab: on lower right "b" pillar) (extended cab: right "c" pillar) Ground Ground distribution system Hot at all times I/p fuse block (left side of dash) Illumination Interior lights system Left front window switch Left i/p junction block (lower left side of dash) Left rear window motor (in left rear door) Left rear window switch Lf down ctrl Lf up ctrl Lo spd serial data Lo speed serial data Lockout ind Lockout switch Logic Lr down ctrl Lr down sig Lr up ctrl Lr up sig Lt dr circuit breaker 25a Passenger door lock/window switch Passenger window motor (inside passenger's door) Pwr wnd lockout rr ctrl Pwr wnd lockout rr sig Pwr wnd motor rf down ctrl Pwr wnd motor rf up ctrl Pwr wnd motor rr down ctrl Pwr wnd motor rr up ctrl Pwr wnd sw 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 Pwr wnd switch rr down signal Pwr wnd switch rr up signal Right front window switch Right i/p junction block (in right end of dash) Right rear window motor (in right rear door) Right rear window switch Rt doors circuit breaker cb1 25a Signal Splice pack jx221 (in i/p harness, behind left side of dash) X11 X700 X800 Sliding Rear Window Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Sliding Rear Window Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 27 (except crew cab) (on lower right "b" pillar) (on right front corner of hvac module) Acces- sory voltage Body control module (bcm) (lower left side of dash) Close G200 G304 g307 (crew cab) (at right rear corner of passenger compt) Hot at all times Illumi- nation Interior lights system J323 J335 J336 Left i/p junction block (lower left side of dash) M tan Open Power distribution system Pwr rear wndw circuit breaker cb4 25a Sliding rear window close relay Sliding rear window motor (right rear of passenger compt) Sliding rear window open relay Sliding rear window switch Tan X12 X208 X304 X320
RADIO Radio Wiring Diagram, with UQA, without UYS & Y91 (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 76 (left front of roof) (lower left side of dash) left i/p junction block 6.6l Amp fuse 41 fuse 38 30a Ampl cntrl Antenna Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio antenna Cellular/ navigation antenna Cellular/navigation & digital radio antenna (left front of roof) Coax Computer data lines system Dash) Digital audio system Digital radio receiver (if equipped) (behind right end of dash) Drain wire Except 6.6l G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of Info fuse 22 10a Interior lights system J307 Keypad sig L aud+ L aud- Left i/p junction block (lower left x3 Lf aud+ Lf aud- Low ref Low ref/ drain wire Lr aud+ Lr aud- Nca Pins: 6-16 not used Pnk R aud+ R aud- Radio Rdo fuse 42 fuse 39 15a Red led Rem sig led cntrl Rf aud+ Rf aud- Rr aud+ Rr aud- Side of dash) Tan Tele sig Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Vehicle communication interface module (vcim) (behind center of dash) Voice sig Voice sig/ W/ onstar W/ s-band & traffic digital audio system W/o onstar W/o s-band & traffic X12 X122 X203 X204 X212 X213 X213 coax X265 X301 X304 Radio Wiring Diagram, with UQA, without UYS & Y91 (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 66 (below left side of passenger's seat) g301 (under rear of center console) audio amplifier 2a1 A13 A14 Ampl cntrl Computer data lines system Drain wire Emergency switch G200 (on right front corner of hvac module) G301 (below left side of passenger's seat) Gmlan Gnd Green light Hot at all times I/p fuse block (left side of dash) Infrared ref Infrared v Inside rearview mirror (isrvm) J328 J330 L infrared L subwfr+ L subwfr- Led sig Left i/p junction block (lower left side of dash) Lf aud+ Lf aud- Lf spk+ Lf spk- Logic Lr aud+ Lr aud- Nca Nca h Onstar button assembly Onstar switch Package Pnk R infrared R subwfr+ R subwfr- Rear seat audio (rsa) control Red light Rem enable Rf aud+ Rf aud- Rf spk+ Rf spk- Right i/p junction block (in right end of dash) Rr aud Rr aud+ Rr aud- Rse fuse 19 5a Subwoofer speaker Tan Telephone switch W/ rear seat entertainment W/ rear seat entertainment package W/o rear seat entertainment package X12 X202 X203 X204 X212 X301 Radio Wiring Diagram, with UQA, without UYS & Y91 (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UQA, without UYS & Y91 (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 86 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) 12 volt 3a1 3a2 Accessory steering wheel control Aud low ref Audio/video adapter Aux vid hi Aux video hi B10 B11 B12 Body control module (bcm) (lower left side of dash) Computer data lines system Crew cab Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Extended cab Gnd I/p fuse block (left side of dash) Inflatable restraint steering wheel module coil (behind steering wheel) Infrared transmitter Infrared+ Infrared- J216 (in steering column harness) J217 L aud sig L aux aud L aux audio L dvd+ 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 Next Pnk R aud sig R aux aud R aux audio R dvd+ Radio Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Right steering wheel control switch Seek down Seek up Shield) Signal+ Signal- Source Sw sig Tan Transmissions system Video cntrl Video display Video sig Voice rec Volt Volume down Volume up W/ automatic cruise control W/ automatic cruise control/ W/o automatic cruise control X204 X206 X212 X301 X306 X700 X800 Radio Wiring Diagram, with UYS & UQA, without Y91 (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS & UQA, without Y91 (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 46 (pins: 21-27 not used) 6.6l Amp ctrl Amp fuse 41 fuse 38 30a Antenna Coax Computer data lines system Drain wire Emergency switch Except 6.6l G200 (on right front corner of hvac module) Gmlan Gnd Green light Hot at all times Inside rearview mirror (isrvm) J328 Led sig Left i/p junction block (lower left x3 Lf aud+ Lf aud- Logic Low ref Lr aud+ Lr aud- Nca Onstar button assembly Onstar switch Radio Rdo fuse 42 fuse 39 15a Red light Rem sig Rf aud+ Rf aud- Rr aud+ Rr aud- Side of dash) Tan Telephone switch Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Voice sig X203 X212 X265 Radio Wiring Diagram, with UYS & UQA, without Y91 (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS & UQA, without Y91 (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 42 (left front of roof) (lower left side of dash) left i/p junction block Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio antenna Cellular/ navigation antenna Coax Computer data lines system Dash) Digital audio system Drain wire G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of Info fuse 22 10a J307 Keypad sig Low ref Nca Pins: 6-16 not used Pnk Red led Tan Vehicle communication interface module (vcim) (behind center of dash) Voice sig W/ onstar W/ s-band & traffic W/o onstar W/o s-band & traffic X12 X203 X204 X212 X213 coax X301 X304 Radio Wiring Diagram, with UYS & UQA, without Y91 (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS & UQA, without Y91 (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 51 (under rear of center console) audio amplifier 2a1 A13 A14 Ampl cntrl Computer data lines system Drain wire G301 (below left side of passenger's seat) Gmlan Gnd H nca Hot at all times I/p fuse block (left side of dash) Infrared ref Infrared v J330 L infrared L subwfr+ L subwfr- Left i/p junction block (lower left side of dash) Lf aud+ Lf aud- Lf spk+ Lf spk- Lr aud+ Lr aud- Nca Pnk R infrared R subwfr+ R subwfr- Rear seat audio (rsa) control Rem enable Rf aud+ Rf aud- Rf spk+ Rf spk- Right i/p junction block (in right end of dash) Rr aud Rr aud+ Rr aud- Rse fuse 19 5a Subwoofer speaker Tan W/ rear seat entertainment W/o rear seat entertainment X12 X202 X204 X212 X301 Radio Wiring Diagram, with UYS & UQA, without Y91 (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS & UQA, without Y91 (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 45 3a1 3a2 Aud low ref B10 B11 B12 Crew cab Dvd comm Enable sig Extended cab Gnd I/p fuse block (left side of dash) Infrared transmitter L aud sig L dvd+ 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 R aud sig R dvd+ Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Shield) Signal+ Signal- Tan Video display Volt X204 X206 X212 X301 X306 X700 X800 Radio Wiring Diagram, with UYS & UQA, without Y91 (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS & UQA, without Y91 (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 55 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) 12 volt Accessory steering wheel control Anti-lock brakes system Audio/video adapter Aux vid hi Aux video hi Body control module (bcm) (lower left side of dash) Camera sig (+) Camera sig (-) Computer data lines system Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd+ Dvd- Inflatable restraint steering wheel module coil (behind steering wheel) Infrared+ Infrared- J216 (in steering column harness) J217 L aux aud L aux audio L dvd+ Navigation system Nca Next Pnk R aux aud R aux audio R dvd+ Radio Right steering wheel control switch Seek down Seek up Source Sw sig Tan Transmissions system Video cntrl Video sig Voice rec Voice sig/ drainwire Voice sig/ low ref Volume down Volume up Vss W/ automatic cruise control W/ automatic cruise control/ W/o automatic cruise control X203 X301 Radio Wiring Diagram, with UYS without Y91 & UQA (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS without Y91 & UQA (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 40 (pins: 21-27 not used) 6.6l Antenna Coax Computer data lines system Dnd Emergency switch Except 6.6l G200 (on right front corner of hvac module) Gmlan Gnd Green light Hot at all times Inside rearview mirror (isrvm) J328 Led sig Lf spk+ Lf spk- Logic Low ref Lr aud+ Lr aud- Onstar button assembly Onstar switch Radio Rdo fuse 42 fuse 39 15a Red light Rf spk+ Rf spk- Rr aud+ Rr aud- Tan Telephone switch Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Voice sig X203 X212 X265 Radio Wiring Diagram, with UYS without Y91 & UQA (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS without Y91 & UQA (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 40 (left front of roof) (lower left side of dash) left i/p junction block (or nca) (pins: 6-16 not used) Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio radio antenna Cellular/ navigation antenna Coax Computer data lines system Drain wire G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a J307 Keypad sig Low ref Nca Pnk Red led Tan Vehicle communication interface module (vcim) (behind center of dash) Voice sig W/ onstar W/ s-band & traffic digital audio system W/o onstar W/o s-band & traffic digital audio system X12 X203 X204 X212 X213 X304 Radio Wiring Diagram, with UYS without Y91 & UQA (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS without Y91 & UQA (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 27 2a1 A13 A14 Computer data lines system Drain wire G301 (below left side of passenger's seat) Gmlan Gnd Hot at all times I/p fuse block (left side of dash) Infrared ref Infrared v J330 L infrared Nca Pnk R infrared Rear seat audio (rsa) control Right i/p junction block (in right end of dash) Rse fuse 19 5a Tan W/ rear seat entertainment package W/ s-band digital audio system/vehicle communication system X202 X204 X212 X301 Radio Wiring Diagram, with UYS without Y91 & UQA (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS without Y91 & UQA (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 46 (w/ performance enhanced audio) left front tweeter speaker 3a1 3a2 Aud low ref B10 Crew cab Crew cab/ extended cab Dvd comm Extended cab Gnd I/p fuse block (left side of dash) Infrared transmitter L aud sig L dvd+ Left front speaker Left rear speaker Mounted & dual front door mounted 4 speaker system Nca Nca b+ Nca dvd+ Nca dvd- Nca gnd Nca video cntrl Nca video sig Pnk R aud sig R dvd+ Regular cab Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Shield) Signal+ Signal- Tan Video display Volt W/ dual extended range quarter W/ performance enhanced audio X204 X206 X212 X306 X700 X800 Radio Wiring Diagram, with UYS without Y91 & UQA (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS without Y91 & UQA (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 53 12 volt Anti-lock brakes system Audio/video adapter Aux vid hi Aux video hi Body control module (bcm) (lower left side of dash) Camera sig (+) Camera sig (-) Computer data lines system Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd+ Dvd- Inflatable restraint steering wheel module coil (behind steering wheel) Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aux aud L aux audio L dvd+ Navigation system Nca Next Pnk R aux aud R aux audio R dvd+ Radio Right steering wheel control switch Seek down Seek up Source Sw sig Tan Transmissions system Video cntrl Video sig Video sig/ drain wire Voice rec Voice sig/ low ref Volume down Volume up Vss W/ automatic cruise control W/ automatic cruise control accessory steering wheel control W/o automatic cruise control X203 X301 Radio Wiring Diagram, with UYS, Y91 & UQA (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (1 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 50 (pins: 21-27 not used) 2a1 6.6l Amp fuse 41 fuse 38 30a Antenna Coax Computer data lines system Drain wire Emergency switch Except 6.6l G200 (on right front corner of hvac module) Gmlan Gnd Green light Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a Inside rearview mirror (isrvm) J328 Led sig Lf aud+ Lf aud- Logic Low ref Lr aud+ Lr aud- Nca Onstar button assembly Onstar switch Power distribution system Radio Rdo fuse 42 fuse 39 15a Red light Rem sig Rf aud+ Rf aud- Right i/p junction block (in right end of dash) x2 Rr aud+ Rr aud- Rse fuse 19 5a Tan Telephone switch Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Voice sig W/ onstar W/ rear seat entertainment package X203 X265 Radio Wiring Diagram, with UYS, Y91 & UQA (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (2 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 36 (left front of roof) (pins: 6-16 not used) Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio antenna Cellular/ navigation antenna Coax Computer data lines system Digital audio system Drain wire G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Keypad sig Left i/p junction block (lower left side of dash) Low ref Nca Pnk Red led Tan Vehicle communication interface module (vcim) (behind center of dash) Voice sig W/ onstar W/ s-band & traffic digital audio system W/o onstar W/o s-band & traffic X12 X203 X204 X213 X301 X304 Radio Wiring Diagram, with UYS, Y91 & UQA (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (3 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 44 (below left side of passenger's seat) g301 (left side of center console) noise compensation microphone (lower left side of dash) left i/p junction block (under rear of center console) audio amplifier Amplf+ Amplf- Computer data lines system Drain wire F centr spk+ F centr spk- G301 (below left side of passenger's seat) Gmlan Gnd Infrared ref Infrared v L infrared L subwfr+ L subwfr- Left i/p junction block (lower x12 Left side of dash) Lf aud+ Lf aud- Lf spk+ Lf spk- Lr aud+ Lr aud- Micro sig 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- Subwoofer speaker Tan X12 X301 X309 Radio Wiring Diagram, with UYS, Y91 & UQA (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (4 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 49 3a1 3a2 Aud low ref B10 B11 B12 C10 C11 C12 Center i/p speaker Crew cab Dvd comm Extended cab Gnd I/p fuse block (left side of dash) Infrared transmitter L aud sig L dvd+ Left front speaker Left front tweeter speaker Left rear speaker Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca h Nca video cntrl Nca video sig Pnk R aud sig R dvd+ Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Shield) Signal+ Signal- Tan Video display Volt X204 X206 X301 X306 X700 X800 Radio Wiring Diagram, with UYS, Y91 & UQA (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & UQA (5 of 5) for Chevrolet Silverado HD LTZ 2013 3500: 55 12 volt Ampl+ Ampl- Anti-lock brakes system Audio/video adapter Aux vid hi Aux video hi Body control module (bcm) (lower left side of dash) Camera sig (-) Camera video sig (+) Computer data lines system Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd+ Dvd- Inflatable restraint steering wheel module coil (behind steering wheel) Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aux aud L aux audio L dvd+ Low ref/ drain wire Navigation system Nca Next Pnk R aux aud R aux audio R dvd+ Radio Right steering wheel control switch Seek down Seek up Source Sw sig Tan Transmissions system Video cntrl Video sig Voice rec Voice sig/ low ref Volume down Volume up Vss W/ automatic cruise control W/ automatic cruise control accessory steering wheel control W/o automatic cruise control X203 X301 Radio Wiring Diagram, with UYS, Y91 & without UQA (1 of 4) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & without UQA (1 of 4) for Chevrolet Silverado HD LTZ 2013 3500: 42 (pins: 21-27 not used) 6.6l Antenna Coax Computer data lines system Emergency switch Except 6.6l G200 (on right front corner of hvac module) Gmlan Gnd Green light Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a Inside rearview mirror (isrvm) J328 Led sig Lf spk+ Lf spk- Logic Low ref Lr aud+ Lr aud- Onstar button assembly Onstar switch Power distribution system Radio Rdo fuse 42 fuse 39 15a Red light Rem sig Rf spk+ Rf spk- Rr aud+ Tan Telephone switch Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Voice sig W/ onstar X203 X265 Radio Wiring Diagram, with UYS, Y91 & without UQA (2 of 4) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & without UQA (2 of 4) for Chevrolet Silverado HD LTZ 2013 3500: 36 (left front of roof) (pins: 6-16 not used) Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio antenna Cellular/ navigation antenna Coax Computer data lines system Digital audio system Drain wire G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led J307 Keypad sig Left i/p junction block (lower left side of dash) Low ref Nca Pnk Red led Tan Vehicle communication interface module (vcim) (behind center of dash) Voice sig W/ onstar W/ s-band & traffic W/o onstar W/o s-band & traffic X12 X203 X204 X213 X301 X304 Radio Wiring Diagram, with UYS, Y91 & without UQA (3 of 4) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & without UQA (3 of 4) for Chevrolet Silverado HD LTZ 2013 3500: 40 (w/ performance enhanced audio) left front tweeter speaker 3a1 3a2 A13 A14 Computer data lines system Crew cab Crew cab/ extended cab Drain wire Extended cab G301 (below left side of passenger's seat) Gmlan Gnd I/p fuse block (left side of dash) Infrared ref Infrared v J330 L infrared Left front speaker Left rear speaker Mounted & dual front door mounted 4 speaker system Nca Pnk R infrared Rear seat audio (rsa) control (if equipped) Regular cab Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Tan W/ dual extended range quarter W/ performance enhanced audio W/ s-band digital audio system / vehicle communication system X202 X204 X212 X301 X700 X800 Radio Wiring Diagram, with UYS, Y91 & without UQA (4 of 4) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with UYS, Y91 & without UQA (4 of 4) for Chevrolet Silverado HD LTZ 2013 3500: 78 12 volt 2a1 Anti-lock brakes system Aud low ref Audio/video adapter Aux vid hi Aux video hi Body control module (bcm) (lower left side of dash) Camera sig (+) Computer data lines system Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Gnd Hot at all times I/p fuse block (left side of dash) Inflatable restraint steering wheel module coil (behind steering wheel) Infrared transmitter Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aud sig L aux aud L aux audio L dvd+ Low ref/ drain wire Navigation system Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video sig Next Pnk R aud sig R aux aud R aux audio R dvd+ Radio Right i/p junction block (in right end of dash) Right steering wheel control switch Rse fuse 19 5a Seek down Seek up Shield) Signal+ Signal- Source Sw sig Tan Transmissions system Video cntrl Video display Video sig Voice rec Voice sig/ref Volt Volume down Volume up Vss W/ automatic cruise control W/ automatic cruise control/ accessory steering wheel control W/ rear seat entertainment W/o automatic cruise control X203 X204 X206 X301 X306 Radio Wiring Diagram, with Y91 & UQA, without UYS (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 73 (left front of roof) (pins: 6-16 not used) 2a1 6.6l Amp fuse 41 fuse 38 30a Antenna Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio antenna Cellular/ navigation antenna Cellular/navigation & digital radio antenna (left front of roof) Coax Computer data lines system Digital radio receiver (behind right end of dash) Drain wire Except 6.6l G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a Interior lights system J204 Keypad sig L aud+ L aud- Led cntrl Left i/p junction block (lower left side of dash) Lf aud+ Lf aud- Low ref Low ref/ drain wire Lr aud+ Lr aud- Nca Pnk Power distribution system R aud+ R aud- Radio Rdo fuse 42 fuse 39 15a Red led Rem sig Rf aud+ Rf aud- Right i/p junction block (in right end of dash) x2 Rr aud+ Rr aud- Rse fuse 19 5a Tan Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Vehicle communication interface module (vcim) (behind center of dash) Voice sig Voice sig/ audio sig W/ onstar W/ rear seat entertainment package W/ s-band & traffic digital audio system W/o onstar W/o s-band & traffic digital audio system X12 X203 X204 X213 X265 X301 X304 Radio Wiring Diagram, with Y91 & UQA, without UYS (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 56 (below left side of passenger's seat) g301 (left side of center console) noise compensation microphone (lower left side of dash) (lower left side of dash) left i/p junction block (under rear of center console) audio amplifier Computer data lines system Drain wire Emergency switch F centr spk+ F centr spk- G200 (on right front corner of hvac module) G301 (below left side of passenger's seat) Gmlan Gnd Green light Infrared ref Infrared v Inside rearview mirror (isrvm) J328 L infrared L subwfr+ L subwfr- Led sig Left i/p junction block x12 Lf aud+ Lf aud- Lf spk+ Lf spk- Logic Lr aud+ Lr aud- Micro sig Nca Nca h Onstar button assembly Onstar switch Pnk R infrared R subwfr+ R subwfr- Rear seat audio (rsa) control Red light Rf aud+ Rf aud- Rf spk+ Rf spk- Rr aud+ Rr aud- Subwoofer speaker Tan Telephone switch X12 X203 X204 X301 X309 Radio Wiring Diagram, with Y91 & UQA, without UYS (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91 & UQA, without UYS (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 84 12 volt 3a1 3a2 Aud low ref Audio/video adapter Aux vid hi Aux video hi B10 B11 B12 Body control module (bcm) (lower left side of dash) Center i/p speaker Computer data lines system Crew cab Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Extended cab Gnd I/p fuse block (left side of dash) Inflatable restraint steering wheel module coil (behind steering wheel) Infrared transmitter Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aud sig L aux aud L aux audio L dvd+ 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 Next Pnk R aud sig R aux aud R aux audio R dvd+ Radio Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Right steering wheel control switch Seek down Seek up Shield) Signal+ Signal- Source Sw sig Tan Transmissions system Video cntrl Video display Video sig Voice rec Volt Volume down Volume up W/ automatic cruise control W/ automatic cruise control accessory steering wheel control W/o automatic cruise control X204 X206 X301 X306 X700 X800 Radio Wiring Diagram, with Y91, without UYS & UQA (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91, without UYS & UQA (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 67 (left front of roof) cellular/ navigation antenna cellular/ navigation & digital radio antenna (pins: 6-16 not used) 6.6l Antenna Aud sig Cellular telephone microphone (in overhead console) Cellular/navigation & digital radio antenna (left front of roof) Coax Computer data lines system Digital radio receiver (behind right end of dash) Drain wire Except 6.6l G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a Interior lights system J204 J307 Keypad sig L aud+ L aud- Led cntrl Left i/p junction block (lower left side of dash) Lf spk+ Lf spk- Low ref Low ref/ drain wire Lr aud+ Lr aud- Nca Pnk Power distribution system R aud+ R aud- Radio Rdo fuse 42 fuse 39 15a Red led Rem sig Rf spk+ Rf spk- Rr aud+ Rr aud- Tan Traffic digital audio system Traffic digital audio system w/ s-band & Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Vehicle communication interface module (vcim) (behind center of dash) Voice sig Voice sig/ tele sig W/ onstar W/o onstar W/o s-band & X12 X203 X204 X213 X265 X301 X304 Radio Wiring Diagram, with Y91, without UYS & UQA (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91, without UYS & UQA (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 39 2a1 A13 A14 Computer data lines system Drain wire Emergency switch G200 (on right front corner of hvac module) G301 (below left side of passenger's seat) Gmlan Gnd Green light Hot at all times I/p fuse block (left side of dash) Infrared ref Infrared v Inside rearview mirror (isrvm) J328 J330 L infrared Led sig Logic Nca Onstar button assembly Onstar switch Pnk R infrared Rear seat audio (rsa) control (if equipped) Red light Right i/p junction block (in right end of dash) Rse fuse 19 5a Tan Telephone switch W/ rear seat entertainment package W/ s-band digital audio system / vehicle communication system X202 X203 X204 X212 X301 Radio Wiring Diagram, with Y91, without UYS & UQA (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, with Y91, without UYS & UQA (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 84 (w/ performance enhanced audio) left front tweeter speaker 12 volt 3a1 3a2 Aud low ref Audio/video adapter Aux vid hi Aux video hi Body control module (bcm) (lower left side of dash) Computer data lines system Crew cab Crew cab/ extended cab Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Extended cab Gnd I/p fuse block (left side of dash) Inflatable restraint steering wheel module coil (behind steering wheel) Infrared transmitter Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aud sig L aux aud L aux audio L dvd+ Left front speaker Left rear speaker Mounted & dual front door mounted 4 speaker system Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video sig Next Pnk R aud sig R aux aud R aux audio R dvd+ Radio Regular cab Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Right steering wheel control switch Seek down Seek up Shield) Signal+ Signal- Source Sw sig Tan Transmissions system Video cntrl Video display Video sig Voice rec Volt Volume down Volume up W/ automatic cruise control W/ automatic cruise control/ accessory steering wheel control W/ dual extended range quarter W/ performance enhanced audio W/o automatic cruise control X204 X206 X301 X306 X700 X800 Radio Wiring Diagram, without UYS, Y91 & UQA (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, without UYS, Y91 & UQA (1 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 69 (left front of roof) (lower left side of dash) left i/p junction block (or nca) (pins: 6-16 not used) 6.6l Antenna Aud sig Cellular telephone microphone (in overhead console) Cellular/ navigation & digital radio radio antenna Cellular/ navigation antenna Cellular/navigation & digital radio antenna (left front of roof) Coax Computer data lines system Digital audio system Digital radio receiver (behind right end of dash) Drain wire Except 6.6l G nca G301 (below left side of passenger's seat) Gmlan Gmlan+ Gmlan- Gnd Green led Hot at all times I/p fuse block (left side of dash) Info fuse 22 10a Interior lights system J307 Keypad sig L aud+ L aud- Led cntrl Lf spk+ Lf spk- Low ref Low ref/ drain wire Lr aud+ Lr aud- Nca Pnk R aud+ R aud- Radio Rdo fuse 42 fuse 39 15a Red led Rf spk+ Rf spk- Rr aud+ Rr aud- Tan Underhood fuse block (left side of engine compt) Usb cable Usb receptacle (if equipped) Vehicle communication interface module (vcim) (behind center of dash) Voice sig Voice sig/ tele sig W/ onstar W/ s-band & traffic W/o onstar W/o s-band & traffic digital audio system X12 X122 X203 X204 X212 X213 X265 X304 Radio Wiring Diagram, without UYS, Y91 & UQA (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, without UYS, Y91 & UQA (2 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 40 2a1 A13 A14 Computer data lines system Drain wire Emergency switch G200 (on right front corner of hvac module) G301 (below left side of passenger's seat) Gmlan Gnd Green light Hot at all times I/p fuse block (left side of dash) Infrared ref Infrared v Inside rearview mirror (isrvm) J328 J330 L infrared Led sig Logic Nca Nca h Onstar button assembly Onstar switch Pnk R infrared Rear seat audio (rsa) control Red light Right i/p junction block (in right end of dash) Rse fuse 19 5a Tan Telephone switch W/ rear seat entertainment package W/ s-band digital audio system/vehicle communication system X202 X203 X204 X212 X301 Radio Wiring Diagram, without UYS, Y91 & UQA (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Radio Wiring Diagram, without UYS, Y91 & UQA (3 of 3) for Chevrolet Silverado HD LTZ 2013 3500: 86 (w/ performance enhanced audio) left front tweeter speaker 12 volt 3a1 3a2 Aud low ref Audio/video adapter Aux vid hi Aux video hi B10 Body control module (bcm) (lower left side of dash) Computer data lines system Crew cab Crew cab/ extended cab Cruise control system Data bus (+) Data bus (-) Drain wire Dvd aud com Dvd aud sh Dvd comm Dvd+ Dvd- Extended cab Gnd I/p fuse block (left side of dash) Inflatable restraint steering wheel module coil (behind steering wheel) Infrared transmitter Infrared+ Infrared- J216 (in steering column harness) J217 (in steering wheel harness, 9 cm from inflatable restraint steering wheel module coil x2) L aud sig L aux aud L aux audio L dvd+ Left front speaker Left rear speaker Mounted & dual front door mounted 4 speaker system Nca Nca b+ Nca dvd+ Nca dvd- Nca enable sig Nca gnd Nca video sig Next Pnk R aud sig R aux aud R aux audio R dvd+ Radio Regular cab Right front speaker Right front tweeter speaker Right i/p junction block (in right end of dash) Right rear speaker Right steering wheel control switch Seek down Seek up Shield) Signal+ Signal- Source Sw sig Tan Transmissions system Video cntrl Video display Video sig Voice rec Volt Volume down Volume up W/ automatic cruise control W/ automatic cruise control/ accessory steering wheel heater W/ dual extended range quarter W/ performance enhanced audio W/o automatic cruise control X204 X206 X212 X301 X306 X700 X800 Video System Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Video System Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 33 (6.6l) (except 6.6l) (lower left side of dash) left i/p junction block (on right front corner of hvac module) Clock sig Digital video disc (dvd) control module Driver seat headrest digital video disc (dvd) display Fm ant Fm antenna G200 Gnd Ground distribution system Hot w/ run/crnk relay energized I2c data Ign Ign volt J200 L audio (+) Passenger seat headrest digital video disc (dvd) display Pnk R audio (+) Red Seo/alc fuse 54 fuse 51 10a Underhood fuse block (left side of engine compt) Video com (-) Video com(-) Video sig a (+) Video sig b (+) X14 X371 X372 X373 X374
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Shift Interlock Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 43 5 volt ref 6.0l 6.6l Automatic transmission Automatic transmission internal mode switch Automatic transmission internal mode switch (ims) Automatic transmission shift lock control solenoid Batt positive volt Bcm fuse 15 10a Body control module (bcm) (lower left side of dash) Brake pedal position sensor Computer data lines system Control solenoid valve assembly Drive motor generator (right rear of engine compt) Electric shift control transfer case Engine control module (ecm) (6.0l) (left front of engine compt, near fan shroud) Engine control module (ecm) (left front of engine compt, near fan shroud) G103 (top rear of engine) G200 (on right front corner of hvac module) Gmlan hi-spd (+) Gmlan hi-spd (-) Gnd Ground Hot at all times Ims ground Instrument panel fuse block (left side of dash) J144 J215 P/n signal P/n switch Sens lo ref Stp lp sw sig Tan Transmission control module Transmission control module (left front of engine compt, near fan shroud) Transmission control module (tcm) Transmissions system W/ two speed push button & electric shift control transfer case W/o two speed push button & X107 X109 X175 X205
STARTING/CHARGING
6.0L VIN G 6.0L VIN G, Charging Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, Charging Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 36 175a 4.3l 6.0l 6.2l, 5.3l & 4.8l Battery current sensor (4.3l: right rear of engine compt) (hybrid: left side of engine compt) Body control module (bcm) (lower left side of dash) Charge ind sig Charge indicator Computer data lines system Current sply Driver information center (dic) Engine control module (ecm) (except hybrid: left front of engine compt, near fan shroud) (hybrid: left front of engine compt) G101 (on lower right radiator support) G103 (on front of right cylinder head) Generator Generator sig Hot at all times Instrument panel cluster (ipc) Ipc fuse 46 10a Logic Low ref Low speed gm lan serial data Mega fuse 175a Pnk Power distribution system Red Right battery Sens sig Serial data Serial data + Serial data - Underhood fuse block (left side of engine compt) Underhood fuse holder (on positive battery terminal) Volt W/ 10 series X109 6.0L VIN G, Starting Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, Starting Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 63 (on front of right cylinder head) (on positive battery terminal) (right side of firewall) underhood fuse holder (top rear of engine) (6.6l) g103 175a 4 speed a/t 4.3l 4.8l 4.8l, 5.3l & 6.2l 5v ref 6.0l 6.0l, 5.3l & 6.2l 6.6l Acc Automatic transmission (6 speed a/t) Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission internal mode switch (ims) Battery current sensor Body control module (bcm) (lower left side of dash) Computer data lines system Control solenoid valve assembly Data bus + Data bus - Engine control module (ecm) (left front of engine compt) Except 6.6l F x2 G101 (on lower right radiator support) G102 (except 6.6l & 4.3l) (on lower left front of engine) G103 G103 (4.8l) (on front of right cylinder head) G103 (on front of right cylinder head) G106 (4.3l) (right rear of engine) G107 (4.3l) (top left rear of engine) Gnd Ign 3 volt Ignition switch J105 J106 J144 Lock Low ref Mega fuse 175a N x179 Park/ neutral position (pnp) switch (on left rear side of transmission) Park/neutral signal Power distribution system Red Right battery Run Serial data + Serial data - Start Starter motor Strt rly ctrl Strtr fuse 62 (except 6.6l) fuse 57 (6.6l) 40a Strtr relay Tan Transmission control module (tcm) Transmission control module (tcm) (left front of engine compt, near fan shroud) Transmission park/neutral Underhood fuse block (left side of engine compt) Underhood fuse holder X175
6.6L VIN 8 6.6L VIN 8, Charging Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, Charging Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 29 (in engine chassis harness) (w/ dual generator & ambulance upfitter) j132 Auxiliary generator (w/ dual generator & ambulance upfitter) Battery current sensor Charge ind sig Charge indicator Computer data lines system Driver information center (dic) Engine control module (ecm) (left front of engine compt near fan shroud) G101 (on lower right radiator support) G103 (top rear of engine) Generator f Generator sig Hot at all times Instrument panel cluster (ipc) Ipc fuse 43 10a Logic Low speed gm lan serial data Mega fuse 175a Power distribution system Red Right battery Serial data (+) 1 Serial data (-) 1 Tan Underhood fuse block (left side of engine compt) Underhood fuse holder (right side of firewall) Volt W/ dual generator & ambulance upfitter X127 6.6L VIN 8, Starting Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, Starting Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 63 (on front of right cylinder head) (on positive battery terminal) (right side of firewall) underhood fuse holder (top rear of engine) (6.6l) g103 175a 4 speed a/t 4.3l 4.8l 4.8l, 5.3l & 6.2l 5v ref 6.0l 6.0l, 5.3l & 6.2l 6.6l Acc Automatic transmission (6 speed a/t) Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission internal mode switch (ims) Battery current sensor Body control module (bcm) (lower left side of dash) Computer data lines system Control solenoid valve assembly Data bus + Data bus - Engine control module (ecm) (left front of engine compt) Except 6.6l F x2 G101 (on lower right radiator support) G102 (except 6.6l & 4.3l) (on lower left front of engine) G103 G103 (4.8l) (on front of right cylinder head) G103 (on front of right cylinder head) G106 (4.3l) (right rear of engine) G107 (4.3l) (top left rear of engine) Gnd Ign 3 volt Ignition switch J105 J106 J144 Lock Low ref Mega fuse 175a N x179 Park/ neutral position (pnp) switch (on left rear side of transmission) Park/neutral signal Power distribution system Red Right battery Run Serial data + Serial data - Start Starter motor Strt rly ctrl Strtr fuse 62 (except 6.6l) fuse 57 (6.6l) 40a Strtr relay Tan Transmission control module (tcm) Transmission control module (tcm) (left front of engine compt, near fan shroud) Transmission park/neutral Underhood fuse block (left side of engine compt) Underhood fuse holder X175
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 73 (top right side of dash) inflatable restraint i/p module 6.0l (vin j) 6.6l Air bag batt fuse 45 fuse 42 15a Air bag ign fuse 40 fuse 37 10a Batt pos voltage Computer data lines system Convience package w/o non-bucket front individual seat & o/s mirrors Disable sw rtn Disable switch Driver inflatable restraint roof rail module (behind left side of headliner trim) Except 6.0l (vin j) Except 6.6l Extended cab/ crew cab G302 (below right side of passenger's seat) Gmlan serial data Gnd High control stage 1 High control stage 2 High ctrl i/p stage 2 Hot at all times Hot w/ run/crnk relay energized Ign 1 voltage Inflatable restraint i/p module disable switch (w/ manual suppression switch) Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat) Inflatable restraint steering wheel module (in steering wheel) Inflatable restraint steering wheel module coil (behind steering wheel) L side impact sens sig Left front inflatable restraint side impact sensor (sis) (in driver's door) Left i/p junction block (lower left side of dash) Left inflatable restraint front end sensor (w/ 10 series) inflatable restraint front end sensor (w/o 10 series) (w/ 10 series: on lower left radiator support) (w/o 10 series: behind center of front bumper) Low control stage 1 Low control stage 2 Low ctrl i/p stage 1 Low ctrl i/p stage 2 Low ref Lt hi roof rail ctrl Lt high ctrl Lt lo roof rail ctrl Lt low ctrl Nca Pin shorting bars engaged when module connector is disconnected from harness: (shorting bars are connected between following pins: conn x1: 1-2, 3-4, 5-6 & 7-8 conn x2: 13-14, 15-16 7-8 & 13-14) Pnk R side impact sens sig Regular cab Right front inflatable restraint side impact sensor (sis) (in passenger's door) Right inflatable restraint front end sensor (w/ 10 series) (on lower right radiator support) Right inflatable restraint side impact module (w/ 10 series) (outer side of right front seat back) Rt high ctrl Rt low ctrl Rt sig Sensor sig Shorting bar Stage 1 Stage 2 Tan Underhood fuse block (left side of engine compt) W/ 10 series W/ child presence detector W/ comfort & decor level 3 W/ non-bucket front individual seat & o/s mirrors w/o comfort & decor level 3 convenience package W/o 10 series W/o child presence detector X1 n5 X103 X11 X202 X2oo b1 X4 d4 X5 g2 X500 X502 X601 Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 84 (below right side of pass- enger's seat) g302 (below right side of passenger's seat) g302 (in passenger seat harness, 10 cm from heated seat cushion element breakout) (except crew cab) j308 (on right "b" pillar) passenger seat belt pretensioner (w/ manual suppression switch & child presence detector) inflatable restraint i/p module indicator (w/ multi directional passenger power seat adjuster) 6.0l (vin j) A x303 Air bag ind Back light ind Bar shorting Belt ind seat Cab Computer data lines system Crew cab Ctrl on ind Data Data serial Driver inflatable restraint seat position sensor (w/ 10 series) (right front corner of driver's seat track) Driver seat belt buckle Driver seat belt pretensioner (on left "b" pillar) Driver seat belt switch Except 6.0l (vin j) Except crew cab Extended Extended cab/ crew cab G200 (on right front corner of hvac module) High ctrl Ign Inflatable restraint passenger presence system (pps) module (w/ child presence detector) (under front passenger seat) Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat) Instrument panel cluster (ipc) J305 (w/ 10 series) (in driver seat harness, 5 cm from x303) J323 J355 J355 (w/ multi- directional passenger power seat adjuster) Left i/p junction block (lower left side of dash) Left inflatable restraint side impact module (w/ 10 series) (outer side of left front seat back) Left rear inflatable restraint side impact sensor (sis) (in left rear door) Logic Low ctrl Low ref Lt seat pos sens sig Nca Off ind ctrl Pass Passenger air bag off Passenger air bag on Passenger inflatable restraint roof rail module (behind right side of headliner trim) Passenger inflatable restraint seat belt tension sensor (w/ child presence detector) Passenger inflatable restraint seat position sensor (w/ 10 series & except crew cab) Passenger seat belt buckle Passenger seat belt ind Passenger seat belt switch (w/ 10 series) Pin shorting bars engaged when module connector is disconnected from harness: (shorting bars are connected between following pins: conn x2: 37-38, 39-40 & 53-54) Pnk Pnk d Regular cab Right rear inflatable restraint side impact sensor (sis) (in right rear door) Rt high ctrl Rt low ctrl Rt seat belt sw Rt seat belt sw sig Rt seat pos sens sig Seat belt Seat belt ind Sens module sig Sens sig Serial data Shorting bar Voltage W/ child presence detector W/ non- bucket front individual seat W/ non-bucket front individual seat W/o non- bucket front individual seat W/o non- bucket front individual seat w/ non- bucket front individual seat W/o non-bucket front individual seat X2 b X303 a8 X304 X305 X305 g X700 X800
TRANSMISSION
6.0L VIN G 6.0L VIN G, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 69 (lower left side of dash) body control module (lower left side of dash) left i/p junction block (upper left corner of dash) g201 6.0l vin g Accy volt Automatic transmission Automatic transmission fluid temperature (tft) sensor Automatic transmission fluid temperature (tft) sensor signal Aux hvac- ign fuse 45 10a B8 x109 Batt + Brake pedal position (bpp) sensor Computer data lines system Control solenoid valve assembly Driver information center (dic) display Engine control module (ecm) (left front of engine compt, near fan shroud) Except 6.0l vin g G103 (top rear of engine) G4 x5 Gmlan data bus (+) Gmlan data bus (-) Gnd Ground distribution system Hot at all times Hot w/ run/crnk relay energized Ign Ign 1 volt Instrument cluster panel (ipc) J104 (in engine harness, 15 cm from engine control module connector breakout) J130 (w/ 2 speed transfer case) J220 (w/ steering wheel heater) Logic Low reference Park/neutral sig Pc solenoid 1 control Pc solenoid 2 control Pc solenoid 3 control Pc solenoid 4 control Pc solenoid 5 control Pnk 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 signal Sensor low ref 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 Stop lamp sw sig Tan Tcm-batt fuse 14 10a To automatic transmission internal mode switch (ims) (diagram 2 of 2) Torque converter clutch (tcc) pressure control (pc) solenoid valve Torque converter clutch pressure control solenoid control Tos sig Tow/ haul ind Trans ign1 fuse 19 15a Transmission control module (tcm) Underhood fuse block (left side of engine compt) Vehicle speed sensor (vss) (on transfer case tailshaft housing) Volt reference Vss high sig Vss low sig X205 6.0L VIN G, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 49 (diagram 1 of 2) (in instrument panel harness, in transfer case shift control module connector breakout) j207 (in steering column harness) (lower left side of dash) transfer case shift control module 12v ref A/t manual shift switch Acc volt Automatic transmission Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission input shaft speed (iss) sensor Automatic transmission internal mode switch (ims) Automatic transmission output shaft speed (iss) sensor Automatic transmission shift lever Body control module (lower left side of dash) Computer data lines system Control solenoid valve assembly Cruise control system From automatic transmission a Ftp switch 1 voltage Ftp switch 3 voltage Ftp switch 4 voltage Ftp switch 5 voltage G201 (upper left corner of dash) Gmlan serial data bus + Gmlan serial data bus - Gnd Input speed sensor (iss) signal J127 J216 J230 Nca Output speed sensor (oss) signal Pnk Red Start Tan Tap up/ tap down sw sig 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 W/ 2 speed transfer case W/ electronic steering control W/o 2 speed transfer case X1 pnk X3 tan 6.0L VIN G, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado HD LTZ 2013 3500: 69 (gas) (lower left side of dash) left i/p junction block 2 hi ind ctrl 2-hi ind 4 hi ind ctrl 4 lo ind ctrl 4-hi ind 4-lo ind 4wd ind 5 volt ref 8v sply Accy wakeup srl data Aux hvac-ign fuse 48 fuse 45 10a Axle actr ctrl Axle sw sig B12 Batt + Body control module (bcm) (lower left side of dash) C10 Computer data lines system Diesel Dirtn sig Front axle actuator (0n front axle assembly) G102 (on lower left front of engine) G103 (diesel) G201 (upper left corner of dash) G4 pnk Gas Gmlan bus + Gmlan bus - Gnd Ground distribution system Hot at all times Hot w/ run/crnk relay energized Ign Ign 1 volt Incrmt encoder sig Instrument panel cluster (ipc) Interior lights system J105 J130 (except 6.0l) J220 (w/ steering wheel heater) Left i/p junction block (lower left side of dash) Lo ref Logic Low ref Misc ign fuse 43 fuse 40 10a Mtr ctrl a Mtr ctrl b Neutral ind Neutral ind ctrl Pnk Power distribution system Pulse sig Right i/p junction block (in right end of dash) Ser data Shift motor Sw sig Tan Trans ig1 fuse 19 fuse 13 15a Transfer case encoder motor (on transfer case) Transfer case shift control module (lower left side of dash) Transfer case shift control switch (on top left of transfer case) Trec fuse 67 fuse 62 30a Underhood fuse block (left side of engine compt) Wiper/washer system X1 a3 pnk X109 X110 6.0L VIN G, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.0L VIN G, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado HD LTZ 2013 3500: 41 (4.3l) (4.8l, 5.3l, 6.ol & 6.2l) (6.6l) (gas) (diesel) (lower left side of dash) left i/p junction block (top left rear of engine) g107 (top rear 4.3l 4.8l, 5.3l, 6.0l vin j, 6.0l vin b & 6.2l 4wd ind 4wd low sig 6.0l vin g 6.6l Aux hvac-ign fuse 48 fuse 45 10a Axle sw sig Computer data lines system Engine control module (ecm) (except hybrid: left front of engine compt, near fan shroud) (hybrid: left front of engine compt) Front drive axle actuator (on front axle assembly) G103 g102 (on lower left front of engine) of engine) G201 (upper left corner of dash) Gmlan bus + Gmlan bus - Gnd Ground distribution system Hot w/ run/crnk relay energized Ign Instrument panel cluster (ipc) J105 J130 (except 6.0l) J220 (w/ steering pnk Logic Pnk Ser data Tan Trans ign 1 fuse 19 fuse 13 10a Transfer case shift control switch (on top left of transfer case) Underhood fuse block (left side of engine compt) Wheel heater) X110 X2 n4 pnk X5 g4
6.6L VIN 8 6.6L VIN 8, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 70 (in engine harness, 15 cm from engine control module connector breakout) (in instrument panel harness, in transfer case shift control module connector breakout) (in pto jumper harness) j140 (in steering column harness) (lower left front of engine) g102 (lower left side of dash) transfer case shift control module (right front side of engine) glow plug control module (gpcm) 12v ref A red A/t manual shift switch Acc volt Acc wakeup srl data Automatic transmission Automatic transmission shift lever Body control module (bcm) (lower left side of dash) Computer data lines system Data bus (+) Data bus (-) Fld press sw sig a Fld press sw sig c G201 (upper left corner of dash) Gmlan data bus (-) Gmlan serial data bus + Gmlan serial data bus - Gnd Ign J104 J106 J125 J143 J216 J230 Low ref Modulated main pressure control (pc) solenoid valve Modulated main pressure solenoid valve Nca Pc sol vlv hi ctrl Pc sol vlv low ctrl Pcs1 sig Pnk Power take off (pto) module (outside of right front chassis frame) Pressure control solenoid valve 2 Red Replicated tos sig Shift solenoid (ss) valve 1 Shift solenoid (ss) valve 2 Shift solenoid (ss) valve 3 Ss2 vlv ctrl Ssc vlv ctrl Tan Tap up/ tap down sw sig Tft sensor sig Torque converter clutch (tcc) pressure control (pc) solenoid valve Tow/ haul sw sig Tow/ haul switch Tr sw sig b Tr sw sig c Tr sw sig p Transmission control module (left front of engine compt, near fan shroud) Vlv ctrl Vss high sig Vss sig low W/ 2 speed push button & electric shift control transfer case W/ electronic steering control W/o 2 speed push button & electric shift control transfer case X1 pnk X107 X124 X175 X3 tan 6.6L VIN 8, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 64 (left front of engine compt, near fan shroud) engine control module (ecm) (left side of transmission) automatic transmission turbine speed sensor (lower left side of dash) left i/p junction block (rear of transmission) vehicle speed sensor (vss) (upper left corner of dash) g201 (w/ 2 speed push button & electric shift control transfer case) j130 Accy wakeup srl data Actuator sply volt Automatic transmission Automatic transmission fluid pressure (tfp) manual valve position switch Automatic transmission internal mode switch (ims) Aux hvac- ign fuse 45 10a Batt + Body control module (lower left side of dash) Brake pedal position (bpp) sensor Button & electric shift control transfer case Computer data lines system Data bus (+) Data bus (-) Exterior lights system Fld press sw sig 4 Fld press sw sig b G102 (lower left front of engine) G4 x5 Gmlan data bus (+) Gnd Ground distribution system Hot at all times Ign Ign 1 volt Instrument panel cluster (ipc) J106 J144 J220 (w/ steering wheel heater) Logic Main press sol ctrl Mil ctrl Mil ind P/n Park/neutral sig Pnk Power distribution Range sw sig a Sensor low ref Stop lamp sw sig System Tan Tan e Tcc brake sig Tcc pcs low ctrl Tcm-batt fuse 7 15a Tft sensor Tos sig Tow/ haul ind Trans/ign1 fuse 13 15a Transmission control module (left front of engine compt, near fan shroud) Turbine speed sw sig Underhood fuse block (left side of engine compt) Volt reference W/ 2 speed push button & electric shift control transfer case W/o 2 speed push X109 a7 X175 X205 6.6L VIN 8, PTO Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, PTO Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 60 (in pto jumper harness) j129 (in pto jumper harness) j139 (top rear of engine) g103 5-volt ref 5-volt reference Battery positive voltage Computer data lines system Engine control module (ecm) (left front of engine compt, near fan shroud) Engine shut off sig Engine start sw sig Exp/pto fuse 44 15a Exterior lights system G103 (top rear of engine) Gnd Hi spd gmlan serial data (+) Hi spd gmlan serial data (-) Hi spd serial data + Hi spd serial data - Hot at all times Hot w/ run/crnk relay energized Interior lights system J106 J127 J133 (in engine chassis harness) J138 (in pto jumper harness) J141 J176 (in engine chassis harness, 6 cm from power take-off module breakout to x124) J280 Left i/p junction block (lower left side of dash) Low ref Low reference Misc ign fuse 40 10a Mode select a Mode select b Mode select c Off Pnk Power take off (pto) relay Power take off (pto) switch Power take off module (pto) (outside of right front chassis frame) Pto engage sig Pto engine shutdown sig Pto relay coil ctrl Pto remote sw set sig Pto rly engage sig Pto sw indicator ctrl Remote mode enable sig Remote mode pps Remote start arming sig Res + Seo b1 fuse 49 15a Serial data enable Set - Shutdown signal Tan Tcc brake signal Torque limit request sig Underhood fuse block (left side of engine compt) X123 X124 6.6L VIN 8, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado HD LTZ 2013 3500: 69 (gas) (lower left side of dash) left i/p junction block 2 hi ind ctrl 2-hi ind 4 hi ind ctrl 4 lo ind ctrl 4-hi ind 4-lo ind 4wd ind 5 volt ref 8v sply Accy wakeup srl data Aux hvac-ign fuse 48 fuse 45 10a Axle actr ctrl Axle sw sig B12 Batt + Body control module (bcm) (lower left side of dash) C10 Computer data lines system Diesel Dirtn sig Front axle actuator (0n front axle assembly) G102 (on lower left front of engine) G103 (diesel) G201 (upper left corner of dash) G4 pnk Gas Gmlan bus + Gmlan bus - Gnd Ground distribution system Hot at all times Hot w/ run/crnk relay energized Ign Ign 1 volt Incrmt encoder sig Instrument panel cluster (ipc) Interior lights system J105 J130 (except 6.0l) J220 (w/ steering wheel heater) Left i/p junction block (lower left side of dash) Lo ref Logic Low ref Misc ign fuse 43 fuse 40 10a Mtr ctrl a Mtr ctrl b Neutral ind Neutral ind ctrl Pnk Power distribution system Pulse sig Right i/p junction block (in right end of dash) Ser data Shift motor Sw sig Tan Trans ig1 fuse 19 fuse 13 15a Transfer case encoder motor (on transfer case) Transfer case shift control module (lower left side of dash) Transfer case shift control switch (on top left of transfer case) Trec fuse 67 fuse 62 30a Underhood fuse block (left side of engine compt) Wiper/washer system X1 a3 pnk X109 X110 6.6L VIN 8, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado HD LTZ 2013 3500 List of elements for 6.6L VIN 8, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado HD LTZ 2013 3500: 41 (4.3l) (4.8l, 5.3l, 6.ol & 6.2l) (6.6l) (gas) (diesel) (lower left side of dash) left i/p junction block (top left rear of engine) g107 (top rear 4.3l 4.8l, 5.3l, 6.0l vin j, 6.0l vin b & 6.2l 4wd ind 4wd low sig 6.0l vin g 6.6l Aux hvac-ign fuse 48 fuse 45 10a Axle sw sig Computer data lines system Engine control module (ecm) (except hybrid: left front of engine compt, near fan shroud) (hybrid: left front of engine compt) Front drive axle actuator (on front axle assembly) G103 g102 (on lower left front of engine) of engine) G201 (upper left corner of dash) Gmlan bus + Gmlan bus - Gnd Ground distribution system Hot w/ run/crnk relay energized Ign Instrument panel cluster (ipc) J105 J130 (except 6.0l) J220 (w/ steering pnk Logic Pnk Ser data Tan Trans ign 1 fuse 19 fuse 13 10a Transfer case shift control switch (on top left of transfer case) Underhood fuse block (left side of engine compt) Wheel heater) X110 X2 n4 pnk X5 g4
WARNING SYSTEMS Warning Systems Wiring Diagram, with Bucket Seats & Power Mirrors (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Warning Systems Wiring Diagram, with Bucket Seats & Power Mirrors (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 59 (upper left corner of dash) 3a5 Auto B5 x109 Battery (+) Bcm fuse 15 10a Body control module (bcm) (lower left side of dash) Computer data lines system Crew cab Ctsy fuse 5 15a Dim fuse 7 15a Driver door latch assembly (rear of driver's door) Drv dr key sw sig Except hybrid G103 (except 4.3l: top rear of engine) (4.3l: on front of right cylinder head) G201 G201 (upper left corner of dash) G303 (except extended: on lower left "b" pillar) (extended cab: left "c" pillar) G304 (except extended: on lower right "b" pillar) (extended cab: right "c" pillar) Ground Head Headlamp & panel dimmer switch Headlp sw headlp off sig Headlp sw headlp on sig Headlp sw park lamps sig Hi spd gmlan bus (+) Hi spd gmlan bus (-) Hot at all times Hybrid I/p fuse block (left side of dash) Ign Is lps fuse 17 20a J201 J502 (w/ power windows) J602 (w/ power door lock control) Left front door ajar sw Left rear door ajar sw Left rear door latch assembly (rear of left rear door) Lo spd gmlan serial data Lt stop trn fuse 6 15a Off Park Park brake sw signal Passenger door latch assembly (rear of passenger's door) Power Right front door ajar sw Right i/p junction block (in right end of dash) Right rear door ajar sw Right rear door latch assembly (rear of right rear door) Rt stop trn fuse 8 15a Stop lamps fuse 12 15a System distribution Tan W/ electronic door lock control W/o electronic door lock control X202 X501 X700 X800 Warning Systems Wiring Diagram, with Bucket Seats & Power Mirrors (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Warning Systems Wiring Diagram, with Bucket Seats & Power Mirrors (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 53 (in instrument panel harness, 19 cm after radio connector breakout) (w/ luxury edition) j204 (lower left side of dash) left i/p junction block (on brake master cylinder reservoir) brake fluid level switch (w/ front bench seat) x202 (w/ uys) (w/o uys) 6.6l Acc B13 Brake ind Chime module (center of dash, behind radio) Computer data lines system Dlis fuse 35 fuse 32 2a Driver information center (dic) display Driver seat belt buckle Driver seat belt switch Except 6.6l G201 (upper left corner of dash) G301 (below left side of passenger's seat) Hot at all times Ignition switch Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat) Instrument panel cluster (ipc) Ipc fuse 46 fuse 43 10a J212 J305 (w/ 10 series) (in driver seat harness, 5 cm from x303) Key-in ignition switch Left i/p junction block (lower left side of dash) Left seat belt sw x2 Lo spd data Lo spd gmlan serial data x1 Logic Low oil ind Low ref Nca Off Park brake switch (on park brake pedal assembly) Pnk Power distribution system Radio Rdo fuse 42 fuse 39 15a Run Seat belt ind Serial data Sound systems Start Tire pressure ind Underhood fuse block (left side of engine compt) W/ radio provisions W/o radio provisions X12 X212 (w/o luxury edition) X303 Warning Systems Wiring Diagram, without Bucket Seats & Power Mirrors (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Warning Systems Wiring Diagram, without Bucket Seats & Power Mirrors (1 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 55 (upper left corner of dash) Auto Battery (+) Bcm fuse 15 10a Body control module (bcm) (lower left side of dash) Computer data lines system Crew cab Ctsy fuse 5 15a Dim fuse 7 15a Driver door latch assembly (in rear of driver front door) Driver door lock/ window switch G103 (except 4.3l: top rear of engine) (4.3l: on front of right cylinder head) G201 G201 (upper left corner of dash) G303 (except extended: on lower left "b" pillar) (extended cab: left "c" pillar) G304 (except extended:on lower right "b" pillar) (extended cab: right "c" pillar) Ground Head Headlamp & panel dimmer switch Headlp sw headlp off sig Headlp sw headlp on sig Headlp sw park lamps sig Hi spd gmlan bus (+) Hi spd gmlan bus (-) Hot at all times I/p fuse block (left side Ign Is lps fuse 17 10a J201 Left rear door ajar sw Left rear door latch assembly (rear of left rear door) Lf ajar sig Lf open sig Lo spd data Lo spd gmlan serial data Low ref Lt stop trn fuse 6 15a M x800 Of dash) Off Park Park brake sw signal Passenger door latch assembly (in rear of passenger front door) Passenger door lock/ window switch Power distribution system Rf ajar sig Right rear door ajar sw Right rear door latch assembly (rear of right rear door) Rt stop trn fuse 8 15a Stop lamps fuse 12 15a Tan X109 b5 X700 X700 m X800 Warning Systems Wiring Diagram, without Bucket Seats & Power Mirrors (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Warning Systems Wiring Diagram, without Bucket Seats & Power Mirrors (2 of 2) for Chevrolet Silverado HD LTZ 2013 3500: 54 (in instrument panel harness,19 cm after radio connector breakout) (w/ luxury edition) j204 (on brake master cylinder reservoir) brake fluid level switch (w/ front bench seat) x202 (w/ uys) (w/o luxury edition) (w/o uys) 6.6l Acc B13 Brake ind Chime module (center of dash, behind radio) Computer data lines system Dlis fuse 35 fuse 32 2a Driver information center (dic) display Driver seat belt buckle Driver seat belt switch Except 6.6l G201 (upper left corner of dash) G301 (below left side of passenger's seat) Hot at all times Ignition switch Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat) Instrument panel cluster (ipc) Ipc fuse 46 fuse 43 10a J212 J305 (w/ 10 series) (in driver seat harness, 5 cm from x303) Key-in ignition switch Left i/p junction block (lower left side of dash) Left seat belt sw x2 Lo spd data Lo spd gmlan serial data x1 Logic Low oil ind Low ref Nca Off Park brake switch (on park brake pedal assembly) Pnk Power distribution system Radio Rdo fuse 42 fuse 39 15a Run Seat belt ind Serial data Sound systems Start Tire pressure ind Underhood fuse block (left side of engine compt) W/ radio provisions W/o radio provisions X1 k2 X12 X212 X303
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Silverado HD LTZ 2013 3500: 59 (not used) (on lower left front of engine) (4.8l, 5.3l, 6.0l & 6.2l) g102 (top left rear of engine) (4.3l) g107 (upper left corner of dash) g201 175a Bat pos volt Body control module (bcm) (lower left side of dash) Computer data lines system Driver information center (dic) display Front washer diode Frt wash fuse 7 (except 6.6l) fuse 5 (6.6l) 15a Frt wash pcb relay Frt wpr fuse 36 (except 6.6l) wpr fuse 33 (6.6l) 25a Fuse holder (except 6.6l: on positive battery terminal) (6.6l: right side of firewall) G100 (on lower left radiator support) G101 (on lower right radiator support) G103 (6.6l) G201 (upper left corner of dash) Gnd Ground distribution system Hot at all times I/p fuse block (left side of dash) Instrument panel cluster (ipc) Int J100 J101 J105 J205 Left i/p junction block (lower left x1 side of dash) Logic Low ref Low washer fluid ind ctrl Mist Mtr park sw sig Off Pnk Power distribution system Rt stop trn fuse 8 15a Serial data Tan Turn signal/ multi-function switch (on left side of steering column) Underhood fuse block (left side of engine compt) Washer rly ctrl Washer sw sig Washer switch Windshield washer fluid level switch (bottom of washer fluid reservoir) Windshield washer fluid pump (bottom of washer fluid reservoir) Windshield wiper motor (under left side of windshield cowl) Winshield wiper sw hi sig Wiper control pcb relay Wiper high speed diode Wiper low speed diode Wiper speed pcb relay Wiper sw hi sig Wiper sw lo sig Wiper switch Wndshld wiper sw sig 2 X103 X201
