Diagram sections — 29 (71 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Compressor Wiring Diagram for Hummer H3T 2010 List of elements for Compressor Wiring Diagram for Hummer H3T 2010: 31 (in hvac harness, approximately 13.5 cm (5.3 in) before breakout to evaporator temperature sensor) j250 5v ref A/c clutch diode 90 A/c clutch relay A/c compressor clutch (part of a/c compressor) A/c on ind A/c on switch A/c refrigerant pressure sensor (on high pressure hose connection to compressor) A/c req sig A41 A42 A43 Ac cltch fuse 48 10a Body control module (bcm) (behind right front kick panel) Computer data lines system Engine control module (ecm) (right rear corner of engine compt) Evap temp sig Evaporator temperature sensor (behind right lower dash) G103 (on lower left side of engine block, forward of g102) Hot at all times Hvac control module (beneath radio) Logic Low ref Manual a/c circuit Press sens sig Rly ctrl Run/ crnk relay Serial data Underhood fuse block (above left front wheelwell) X204 X205 Manual A/C Wiring Diagram (1 of 3) for Hummer H3T 2010 List of elements for Manual A/C Wiring Diagram (1 of 3) for Hummer H3T 2010: 67 (behind right front kick panel) body control module (bcm) 5v ref A/c on A/c on ind A/c recir req sig A/c req sig A26 A41 A42 A43 Air temp a Blower motor (below right side of dash) Blower motor resistor assembly (attached to bottom of blower) Blower motor switch C11 Computer data lines system Deffoger ind Deffoger switch Defog ind ctrl Defog sw sig Defogger system Dimmer sw sig Evap temp sig G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) Gnd High High speed blower motor relay (attached to blower motor case) Hot at all times Hvac blwr fuse 82 30a Hvac cntrl hd fuse 59 10a Hvac control module (beneath radio) Hvac relay Ign 3 volt Ign rly ctrl Interior lights system J205 J206 J214 J220 J251 L air temp b L air temp sig Logic Low Low ref Mode door b Mode door sig Mode switch Off Pnk R air temp b R air temp sig Rdo fuse 13 10a Recir- culation switch Recirc a Recirc b Recirculation ind Serial data Sig Switch Tan Temperature switch Underhood fuse block (above left front wheelwell) X200 X204 X205 Manual A/C Wiring Diagram (2 of 3) for Hummer H3T 2010 List of elements for Manual A/C Wiring Diagram (2 of 3) for Hummer H3T 2010: 22 (in hvac harness, approximately 10 cm (3.9 in) back from right air temperature actuator connector) (in hvac harness, approximately 28.5 cm (11.2 in) back from right air temperature actuator connector) j240 13.5 cm (5.3 in) before breakout to evaporator temperature sensor) j250 A/c cltch fuse 48 10a A/c clutch diode 90 A/c clutch relay 76 A/c compressor clutch (part of a/c compressor) Cool fans fuse 62 40a Evaporator temperature sensor (behind right lower dash) G103 (on lower left side of engine block, forward of g102) Hot at all times J230 J232 Left air temperature actuator (mounted to left side of hvac module assembly) Logic Mode actuator (on side of heater box) Recirculation actuator (upper right corner of heater case) Right air temperature actuator (mounted to right side of hvac module assembly) Run/ crnk relay Tan Underhood fuse block (above left front wheelwell) W/ heavy duty Manual A/C Wiring Diagram (3 of 3) for Hummer H3T 2010 List of elements for Manual A/C Wiring Diagram (3 of 3) for Hummer H3T 2010: 33 3.7l 5.3l 5v ref A/c refrigerant pressure sensor (on high pressure hose connection to compressor) Computer data lines system Ect sens sig Engine control module (ecm) (right rear corner of engine compt) Engine coolant temperature (ect) sensor (front left of engine) Engine coolant temperature (ect) sensor (left side of engine) Fan lo ctrl Fan rly ctrl Fuse 1 20a Fuse 2 20a G107 J118 J119 J123 J124 J125 J126 Left engine cooling fan Low ref Nca Press sens sig Relay 1 Relay 2 Relay 3 Right engine cooling fan Rly ctrl Secondary underhood fuse block (w/ heavy duty) Serial data Tan X125
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Hummer H3T 2010 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Hummer H3T 2010: 48 5v ref Abs/vses fuse 29 10a Abs/vses1 -mtr Abs/vses2 -sol fuse 64 30a Batt + Bkup volt Brake fluid level switch (on left side of brake fluid reservoir) Brake pressure modulator valve (bpmv) Brk fld sig Can h Can l Dlvrd torq sig Electronic brake control module (ebcm) (left of master cylinder) Exterior lights system Fuse 67 40a G105 (on left inner front wheelwell, behind battery) Gnd Hot at all times Hot w/ run/crank relay energized Ign 3 volt Ign volt J110 Left front wheel speed sensor (wss) (attached to left front wheel hub) Left rear wheel speed sensor (wss) (attached to left side of rear axle) Lf spd low ref Lf spd sig Low ref Lr spd low ref Lr spd sig Pnk Red Req torq sig Rf spd low ref Rf spd sig Right front wheel speed sensor (wss) (attached to right front wheel hub) Right rear wheel speed sensor (wss) (attached to right side of rear axle) Rr spd low ref Rr spd sig Serial class 2 Steering pos sig Steering sig a Steering sig b Stop fuse 50 15a Stop lamp switch (above brake pedal assembly) Stop lp volt Tan Underhood fuse block (above left front wheelwell) X150 Anti-lock Brakes Wiring Diagram (2 of 2) for Hummer H3T 2010 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Hummer H3T 2010: 46 A17 A31 A37 A38 A39 A41 Abs ind Body control module (bcm) (behind right front kick panel) Brake ind Can h Can l Class 2 (ebcm) Class 2 serial data Data link connector (dlc) (left side of dash) Delivered torque signal Driver info center Engine control module (ecm) (right rear corner of engine compt) G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) Gnd Hot w/ hvac relay energized I/p multi-function switch Ign Ign 3 volt Instrument panel cluster (ipc) J141 J205 J300 Logic Park brake switch (left lower side of dash) Park brk sw sig Pulse sig steering Requested torque signal Sig a steering Stability caution ind Steering sig b Steering wheel position sensor (near base of steering column) Stop lp ctrl Trac ctrl sw sig Traction control switch Underhood fuse block (above left front wheelwell) Vses/abs fuse 52 10a W/ driver select electronic locking differential W/o driver select electronic locking differential X125 Yaw rate/lateral & longitudinal accelerometer sensor (under driver seat near x307)
ANTI-THEFT Forced Entry Wiring Diagram for Hummer H3T 2010 List of elements for Forced Entry Wiring Diagram for Hummer H3T 2010: 49 A19 A24 A25 A32 A38 A39 A40 A44 A47 Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Class 2 serial data Clstr fuse 19 10a Driver door ajar switch (in lower left "b" pillar) End gate ajar switch (suv) (in right "d" pillar) Engine control module (ecm) (right rear corner of engine compt) Exterior lights system Frt trn/hazrd/ ctsy mir fuse 56 15a G105 (on left inner front wheelwell, behind battery) G300 (under driver seat carpet, on floor board) G320 (under rear of middle console carpet, on floor board) Gnd Headlamp rly ctrl Headlights system Hood ajar switch (w/ anti theft cover latch system lock control) (part of hood latch assembly) Horn rly ctrl Horns system Hot at all times Instrument panel cluster (ipc) J185 J300 J320 J347 (suv) (in body harness, approximately 42 cm rearward of breakout to right seat belt pretensioner) Left rear door ajar switch (in lower left "c" pillar) Lf door ajar sig Lr dr ajar sig sw Nca Parklamp rly ctrl Passenger door ajar switch (in lower right "b" pillar) Rear trn/ hazrd fuse 20 20a Rf dr ajar sig sw Right rear door ajar switch (in lower right "c" pillar) Rr dr ajar sw sig Security ind ctrl Security indicator Suv Underhood fuse block (above left front wheelwell) X115 c3 X200 b10 Immobilizer Wiring Diagram for Hummer H3T 2010 List of elements for Immobilizer Wiring Diagram for Hummer H3T 2010: 25 A19 A39 Acc B10 Batt ign sw fuse 5 10a Body control module (bcm) (behind right front kick panel) Clstr fuse 19 10a Computer data lines system G300 (under driver seat carpet, on floor board) Hot at all times Ign volt Ignition switch Instrument panel cluster (ipc) J200 J201 J251 Lock Run Security ind Serial data Start Theft deterrent module (tdm) Underhood fuse block (above left front wheelwell) X200 X201
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Hummer H3T 2010 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Hummer H3T 2010: 97 (or) cargo lp sw sig (under rear of middle console carpet, on floor board) g320 A/c req sig A/c request sig A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 Air conditioning system Battery + Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Class 2 serial data Computer data lines system Courtesy lamp low ctrl Defogger system Door locks system Door unlock ctrl Drl rly ctrl Engine controls system Exterior lights system Fog lamp rly ctrl Frt trn/hazrd/ ctsy mir fuse 56 15a Ground Headlamp rly ctrl Headlights system Hi beam rly ctrl Horn rly ctrl Horns system Hot at all times Ign rly ctrl Ign voltage Inadvertent pwr ctrl Instrument cluster system Interior lights system J320 Left trn sig lamp ctrl Lf door ajar sw sig Lr door ajar sw sig Lr park lamps ctrl Lr stop/turn lamp ctrl Mirrors system Park brake sw sig Park lamp rly ctrl Pass dr lock sw lock ctrl Pnk Power distribution system Rap rly coil ctrl Rear defog rly ctrl Rear trn/ hazrd fuse 20 20a Red Rf door ajar sw sig Right trn sig lamp ctrl Rr door ajar sw sig Rr stop/turn lamp ctrl Starting/charging system Stop lamp ctrl Underhood fuse block (above left front wheelwell) Windshield washer pmp ctrl Wiper mtr prk sw sig Wiper sw sig 2 Wiper/washer system Body Control Modules Wiring Diagram (2 of 2) for Hummer H3T 2010 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Hummer H3T 2010: 94 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 Acc Ambient light sens low ref Ambient light sens sig Anti-lock brakes system Anti-theft system Body control module (bcm) (behind right front kick panel) Cellular phones system Class 2 serial data Computer data lines system Courtesy lamp ctrl Courtesy lamp low ctrl Defogger system Dome override sw sig Exterior lights system Flash to pass sw sig Front fog lamp sw sig Front fog lamps ind ctrl Hazard sw sig Headlamp sw headlamps on sig Headlamps dim sw hi beam sig Headlamps sw off sig Headlights system Horn rly ctrl Horns system Hot at all times I/p lamp dimmer sw sig I/p lamps dim ctrl Ign key resistor sig Ign voltage Ignition switch Inadvertent pwr ctrl Int lamp sw sig Interior lights system J201 Key-in ignition switch Low ref Off Onstar voice sig Park lamp sw sig Rear defog ind ctrl Rear defog sw sig Red Rr turn signal lamp ctrl Run Security ind lamp Shift interlock system Shift sol ctrl Start Tan Traction ctrl sw sig Turn sig sw sig Windshield washer pmp ctrl Wiper sw sig 1 Wiper/washer system X201
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Hummer H3T 2010 List of elements for Computer Data Lines Wiring Diagram for Hummer H3T 2010: 46 (in body harness, approximately 1 cm to right of park brake) j296 (in body harness, approximately 31 cm to left of park brake switch breakout) (under driver seat carpet, on floor board) g300 A/t A38 A39 A41 A42 A44 A47 Aux dwr1/ cig ltr fuse 51 20a Body control module (bcm) (behind right front kick panel) Cigar lighter Class 2 serial data Data link connector (dlc) (left side of dash) Data link resistor Digital radio receiver (right side of dash) Electronic brake control module (ebcm) (left of master cylinder) Engine control module (ecm) (right rear corner of engine compt) Fuel pump flow control module G106 (on right inner front wheelwell) Generator battery control module (left front of engine compt, near battery) Hi spd gmlan serial data bus+ Hi spd gmlan serial data bus- Hi spd lan serial data + Hi spd lan serial data - Hi spd serial data bus + Hi spd serial data bus - Hot at all times Inflatable restraint sensing & diagnostic module (sdm) (beneath lower console) Instrument panel cluster (ipc) J205 J251 J297 M/t Radio Tan Theft deterrent module (tdm) (if equipped) Transfer case shift control module (behind glove box) Transmission control module (tcm) Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) (center of dash below hvac control head) X102 X150 X200 X201
COOLING FAN Cooling Fan Wiring Diagram for Hummer H3T 2010 List of elements for Cooling Fan Wiring Diagram for Hummer H3T 2010: 30 (w/ heavy duty) secondary underhood fuse block 3.7l 5.3l Cool fans fuse 62 40a Ect sens sig Engine control module (ecm) (right rear corner of engine compt) Engine coolant temperature (ect) sensor (front left of engine) Engine coolant temperature (ect) sensor (left side of engine) Fan lo ctrl Fan rly ctrl Fuse 1 20a Fuse 2 20a G107 Hot at all times J118 J119 J123 J124 J125 J126 Left engine cooling fan Low ref Nca Relay 1 Relay 2 Relay 3 Right engine cooling fan Tan Underhood fuse block (above left front wheelwell) X125
CRUISE CONTROL Cruise Control Wiring Diagram for Hummer H3T 2010 List of elements for Cruise Control Wiring Diagram for Hummer H3T 2010: 62 (suv) (in body harness, approximately 14 cm to right of stop lamp switch breakout in main harness) 3.7l 5 volt reference 2 5-volt ref 5-volt reference 1 5-volt reference 2 A/t Accelerator pedal position (app) sensor (on accelerator pedal bracket) App sensor 1 signal App sensor 2 signal B10 Class 2 serial data Clstr fuse 19 10a Clutch pedal position (cpp) sensor (3.7l) Computer data lines system Cpp sensor sig Cruise control on/off switch Cruise control release signal Cruise control release switch (top of brake pedal assembly) Cruise control switch Cruise indicator Cruise/misc fuse 35 10a Engine control module (ecm) (right rear corner of engine compt) G300 (under driver seat carpet, on floor board) Gmlan hi (+) Gmlan hi (-) Gnd Hot at all times Hot w/ run/ crank relay energized Instrument panel cluster (ipc) J215 j217 (truck) (body harness, 7 cm left of accelerator pedal) J251 J272 (w/ spo dvd 2) Logic Low ref Low reference M/t Off On/ Pnk Power distribution system Res+ Set- Sound systems Stop fuse 50 15a Stop lamp control Stop lamp switch (above brake pedal assembly) Tac motor control-1 Tac motor control-2 Tan Throttle body (top of engine, mounted on upper air intake manifold) Tp sensor 1 signal Tp sensor 2 signal Transmission control module (tcm) Turn signal/multi-function switch Underhood fuse block (above left front wheelwell) Vehicle speed sensor (vss) (left rear of transfer case) Vss high signal Vss low signal X125 X200 X201
DEFOGGERS Defoggers Wiring Diagram for Hummer H3T 2010 List of elements for Defoggers Wiring Diagram for Hummer H3T 2010: 30 (suv) A x2 A10 A24 A32 Body control module (bcm) (behind right front kick panel) Defog ind ctrl Defog sw sig Defogger indicator G105 (on left inner front wheelwell, behind battery) G300 (under driver seat carpet, on floor board) G340 (truck) (base of right "c" pillar) G350 (suv) (behind left rear quarter trim, near wheelwell) Ground Hot at all times Hvac control module (beneath radio) J251 J900 Logic Rear defog indicator ctrl Rear defog relay 71 Rear defog switch sig Rear defogger switch Rear window defogger grid Rear wndw defog fuse 30 20a Relay cntrl Tan Underhood fuse block (above left front wheelwell) X450 X901
ENGINE PERFORMANCE
3.7L VIN E 3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2010 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2010: 78 (above brake pedal assembly) stop lamp switch (behind right front kick panel) body control module (bcm) (in body harness, approximately 14 cm to right of stop lamp switch breakout in main harness) (in chassis harness, approximately 22.5 cm from fule pump & sender assembly connector) j359 4wd low signal 5 volt ref 5v ref 1 5v ref 2 A/c compressor clutch rly ctrl Abs/ vses fuse 29 10a Acc Air conditioning system Air solenoid relay control Anti-theft system App sensor 1 signal App sensor 2 signal Batt pos volt Battery positive voltage Class 2 serial data Cnstr vent fuse 31 10a Computer data lines system Cruise control release signal Cruise control switch signal Cruise control system Engine control module (ecm) (right rear corner of engine compt) Evap canister vent sol ctrl Fscm fuse 20a Fuel level sensor signal Fuel pressure sensor Fuel pump Fuel pump & sender assembly (mounted on top of fuel tank) Fuel pump crtl Fuel pump flow control module Fuel pump relay control Fuel sys ctrl Fuel tank pressure sensor signal G420 (mounted to left side of rear cross member, near x420) Gnd Hi spd gmlan Hot at all times Hot w/ run/crnk relay energized Ign 1 volt Ign volt Ignition switch Ignition voltage J201 (w/ immobilization security system equipment) J207 J215 (suv) j217 (truck) (body harness, 7 cm left of accelerator pedal) J423 Lo ref Low ref Low reference Mil control Mod shld Nca Off Pnk Powertrain relay control Press sens sig Run Ser data bus+ Ser data bus- Sound systems Sply volt Start Starter enable relay control Starting/ charging system Stop fuse 50 15a Stop lamp control Tan Transmission control module (tcm) Transmissions system Truck suv Underhood fuse block (above left front wheelwell) Vehicle speed signal X150 X201 X204 3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2010 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2010: 32 (on lower left side of engine block, forward of g102) g103 Accelerator pedal position (app) sensor (on accelerator pedal bracket) Air pump fuse 62 60a Air sol fuse 44 15a Air sol relay B10 Clstr fuse 10a Computer data lines system Etc fuse 15a Evaporative emission (evap) canister vent solenoid valve (above spare tire) Fuel tank pressure (ftp) sensor (top of fuel pump & sender assembly) G103 (on lower left side of engine block, forward of g102) Hot at all times Instrument panel cluster (ipc) Logic Mil ind Nca O2 snsr fuse 47 15a Pcm-b fuse 25 10a Pnk Pwr/trn relay 81 Red Secondary air injection (air) pump (w/ electric air injection reactor) (mounted to right front side of radiator support) Secondary air injection (air) pump relay (top of engine, at rear of intake) Secondary air injection (air) pump solenoid (w/ electric air injection reactor) (right side of engine, above exhaust) Serial data Tan Underhood fuse block (above left front wheelwell) Up shift ind X125 X150 X200 3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2010 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2010: 37 (attached to fuel rail cylinders 1, 2, 3, 4 & 5) fuel injectors (in center front of cam cover at cylinders 1, 2, 3, 4 & 5) 5v reference 5v reference 1 A pnk Air conditioning system Air relay control Anti-lock brakes system Clutch pedal position sensor (m/t) Computer data lines system Delivered torque Duty cycle signal generator field Engine control module (ecm) (right rear corner of engine compt) Evap canister purge Generator High speed gmlan Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 J103 (in engine compt harness, pnk near grille lamps relay, by master cylinder) Low reference Nca Park/neutral sig Pnk Regulator ctrl Requested torque signal Serial data bus + Serial data bus - Signal Solenoid control Spark plug Starting/charging system Tan X101 X125 3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2010 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2010: 28 (on lower left side of engine block, forward of g102) g103 (top of engine, mounted on upper air intake manifold) throttle body A/c refrigerant Air conditioning system Air injection reaction ctrl valve ctrl Air pump rly/tcm fuse 17 10a Cpp sensor signal Ect sensor signal Engine control module (ecm) (right rear corner of engine compt) Engine coolant temperature (ect) sensor (front left of engine) Erls fuse 22 15a Evaporative emission (evap) canister purge solenoid valve (below intake, in back of alternator) Hot w/ run/crnk relay 78 energized Ign 1 fuse 33 15a Inj fuse 23 15a Instrument cluster system Manifold absolute pressure (map) sensor (at top right side rear of engine, on intake manifold) Map sensor signal Nca Oil press sw sig Pcm-1 fuse 21 10a Pnk Press sens sig Tan Underhood fuse block (above left front wheelwell) Vehicle speed sensor (vss) (m/t) (left rear of transfer case) Vss high signal Vss low signal 3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2010 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2010: 47 (on lower left side of engine block, rearward of g103) g102 5v ref 2 Camshaft position (cmp) actuator solenoid valve Camshaft position (cmp) sensor Ckp sensor signal Cmp actuator sol Cmp sensor sig Crankshaft position (ckp) sensor (left rear of engine block, below starter) Engine control module (ecm) (right rear corner of engine compt) Fuel injector 1 control Fuel injector 2 control Fuel injector 3 control Fuel injector 4 control Fuel injector 5 control Ground Ground distribution system Heated oxygen sensor (ho2s) 1 (on exhaust manifold on left side of engine) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, adjacent to transmission) Ho2s heater high ctrl sens 1 Ho2s heater low ctrl sens 2 Ho2s high signal sensor 1 Ho2s high signal sensor 2 Ho2s low signal sensor 1 Ho2s low signal sensor 2 Iat sensor signal Ic 1 control Ic 2 control Ic 3 control Ic 4 control Ic 5 control Ignition voltage Instrument cluster system Knock sensor (ks) bank 2 (below intake manifold, near front of engine) Knock sensor signal Low ref Low reference Maf sensor signal Mass air flow (maf)/ intake air temperature (iat) sensor (between air cleaner & throttle body) Nca Pnk Red Tac motor control 1 Tac motor control 2 Tp sensor 1 signal Tp sensor 2 signal X125 X3 underhood fuse block (above left x3 front wheelwell)
5.3L VIN P 5.3L VIN P, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2010 List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2010: 69 (behind right front kick panel) body control module (bcm) (in body harness, approximately 14 cm to right of stop lamp switch breakout in main harness) 4wd low signal 5 volt reference 5v ref 1 5v ref 2 A/c compressor clutch rly ctrl Abs/ vses fuse 29 10a Acc Air conditioning system Anti-theft system App sensor 1 signal App sensor 2 signal Batt pos volt Battery positive voltage Class 2 serial data Cnstr vent fuse 31 10a Computer data lines system Cruise control release signal Cruise control switch signal Cruise control system Engine control module (ecm) (right rear corner of engine compt) Evap canister vent sol ctrl Fscm fuse 54 20a Fuel level sensor signal Fuel pressure sensor Fuel pump flow control module Fuel pump relay control Fuel pump sply volt Fuel tank pressure sensor signal G420 (mounted to left side of rear cross member, near x420) Ground Hot at all times Hot w/ run/crnk relay energized Ign volt Ignition 1 voltage Ignition switch Ignition voltage J207 J215 (suv) j217 (truck) (body harness, 7 cm left of accelerator pedal) J423 Low ref Low reference Mil control Nca Off Pnk Powertrain relay control Press sens sig fuel line Relay control fuel pump Run Serial data bus+ hi spd gmlan Serial data bus- hi spd gmlan Shield extension fuel sys crtl mod Sound systems Start Starter enable relay control Starting/ charging system Stop fuse 50 15a Stop lamp control Stop lamp switch (above brake pedal assembly) Tan Transmission control module (tcm) Transmissions system Underhood fuse block (above left front wheelwell) Vehicle speed signal X125 X150 X201 5.3L VIN P, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2010 List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2010: 34 A/c refrigerant Accelerator pedal position (app) sensor (on accelerator pedal bracket) Air conditioning system B10 Clstr fuse 10a Computer data lines system Ect sensor signal Engine control module (ecm) (right rear corner of engine compt) Engine coolant temperature (ect) sensor (left side of engine) Etc fuse 15a Evaporative emission (evap) canister vent solenoid valve (above spare tire) Fuel pump & sender assembly (mounted on top of fuel tank) Fuel tank pressure (ftp) sensor (top of fuel pump & sender assembly) Hot at all times Instrument panel cluster (ipc) J359 (in chassis harness, approximately 22.5 cm from fuel pump & sender assembly connector) Logic Manifold absolute pressure (map) sensor (top of engine, above intake manifold) Map sensor signal Mil ind O2 snsr fuse 47 15a Pcm-b fuse 25 10a Pnk Press sens sig Pwr/trn relay 81 Serial data Suv Tan Truck Underhood fuse block (above left front wheelwell) X125 X150 X200 X204 5.3L VIN P, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2010 List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2010: 45 (engine left coil harness) (in forward lamp harness 5 cm from breakout to x103) (top of cylinder head, above cylinders 1, 3, 5 & 7) (upper right side of engine, above cylinders 2, 4, 6 & 8) fuel injectors 5v reference 1 A pnk Air conditioning system Anti-lock brakes system Bank 2 & sens 1 Bank 2 & sens 2 C red Computer data lines system D pnk Delivered torque Duty cycle signal generator field Engine control module (ecm) (right rear corner of engine compt) Evap canister purge G103 (on lower left side of engine block, forward of g102) Heated oxygen sensor (ho2s) bank 2 sensor 1 (left side exhaust, after catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (right side exhaust, after catalytic converter) High speed gmlan Ho2s heater low Ignition coil 1 Ignition coil 3 Ignition coil 5 Ignition coil 7 J113 J114 J118 J128 Low reference Low reference 1 Nca Park/neutral sig Pnk Red Regulator ctrl generator Requested torque signal Serial data bus + Serial data bus - Signal Solenoid control Spark plug Starting/ charging system Tan 5.3L VIN P, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2010 List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2010: 29 (engine harness, 5 cm from breakout to fuel injector 1) (right engine coil harness) j116 (top of cylinder head, above cylinders 2, 4, 6 & 8) (top of engine) throttle body Erls fuse 22 15a Evaporative emission (evap) canister purge solenoid valve (top of intake manifold near rear of throttle body) Fuel injectors (upper left side of engine, above cylinders 1, 3, 5 & 7) G103 (on lower left side of engine block, forward of g102) Hot w/ run/crnk relay 78 energized Ign 1 fuse 33 20a Ignition coil 2 Ignition coil 4 Ignition coil 6 Ignition coil 8 Inj fuse 23 20a J111 J117 J129 Nca Pcm-1 fuse 21 10a Pnk Pnk a Pnk d Red Red c Spark plug Underhood fuse block (above left front wheelwell) X111 X113 5.3L VIN P, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2010 List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2010: 60 (on engine block, below left cylinder head) g102 5v ref 1 5v ref 2 Camshaft position (cmp) sensor (front of engine above crank pulley) Camshaft position (cmp) solenoid valve Ckp sensor signal Cmp sensor signal Crankshaft position (ckp) sensor (mounted to right rear of engine block behind starter motor) Engine control module (ecm) (right rear corner of engine compt) Engine) Fuel injector 1 control Fuel injector 2 control Fuel injector 3 control Fuel injector 4 control Fuel injector 5 control Fuel injector 6 control Fuel injector 7 control Fuel injector 8 control Ground Ground distribution system Heated oxygen sensor (ho2s) bank 1 sensor 1 (left side exhaust, before catalytic converter) Heated oxygen sensor (ho2s) bank 1 sensor 2 (right side exhaust, before catalytic converter) Ho2s heater low bank 1 sens 1 Ho2s heater low bank 1 sens 2 Ho2s high sig bank 1 sens 1 Ho2s high sig bank 1 sens 2 Ho2s low sig bank 1 sens 1 Ho2s low sig bank 1 sens 2 Iat sensor signal Ic 1 control Ic 2 control Ic 3 control Ic 4 control Ic 5 control Ic 6 control Ic 7 control Ic 8 control Ignition voltage Instrument cluster system Knock sensor (ks) 1 (lower left side of b Knock sensor (ks) 2 (lower right side of engine) Knock sensor 1 signal Knock sensor 2 signal Low reference Maf sensor signal Mass air flow (maf) sensor/intake air temperature (iat) sensor (between air cleaner & throttle body) Nca Oil pressure sensor signal Pnk Red Sol high ctrl Tac motor control 1 Tac motor control 2 Tan Tp sensor 1 signal Tp sensor 2 signal X103 X111 X113 X3 underhood fuse block (above left x3 front wheelwell)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Hummer H3T 2010 List of elements for Backup Lamps Wiring Diagram for Hummer H3T 2010: 56 (in chassis harness 33 cm from g420) (not used) A25 A41 A42 Automatic transmission Backup lamp switch (m/t) (on top of transmission) Backup lp ctrl Backup lp ctrl x2 Backup lp rly ctrl x1 Backup lp sig Bck/up fuse 60 15a Bck/up relay Body control module (bcm) (behind right front kick panel) Computer data lines system Electronic brake control module (ebcm) (left of master cylinder) G102 (3.7l: on lower left side of engine block, rearward of g103) (5.3l: on engine block, below left cylinder head) G420 (mounted to left side of rear cross member, near x420) Hot at all times Ign vol Inside rearview mirror (isrvm) J224 (in body harness, approximately 15cm from main harness into breakout to sunroof) J225 (in front view camera harness) J361 J404 Left backup lamp Left rear turn signal lamp Left tail/stop lamp Logic Nca Park/neutral position (pnp) switch Pnk Rearview camera Right backup lamp Right rear turn signal lamp Right tail/stop lamp Serial data Serial data + Serial data - Switch signal a Switch signal b Switch signal c Tan Trailer connector (mounted on left side of trailer receiver, rear of vehicle) Trailer lighting converter Transmission control module (tcm) Trlr- bck/up fuse 42 10a Underhood fuse block (above left front wheelwell) W/ hd truck wiring harness truck trailer W/ rearview camera W/o hd truck wiring harness truck trailer X102 X150 X410 X420 X430 Exterior Lamps Wiring Diagram (1 of 3) for Hummer H3T 2010 List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Hummer H3T 2010: 66 A10 A19 A24 A28 A37 A45 A48 Auto Body control module (bcm) (behind right front kick panel) Center high mounted stop lamp (chmsl) Dimm sw sig Frt trn/ hazrd/ ctsy mir fuse 56 15a Frt/prk fuse 43 10a G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) Haz sw sig Hazard switch Head Headlamp switch Hot at all times Interior lights system J109 J185 J205 J215 (in body harness, approximately 14 cm (5.5 in) to right of stop lamp switch breakout in main harness) J217 (body harness, 7 cm left of accelerator pedal) J340 Left Left front marker lamp Left park/ turn signal lamp Low ref Lr prk lp Lr sig lp ctrl vlt Lr stop/turn lamp ctrl Lt sig lp ctrl Off Park Park lamp relay Prk lmp rly Prk lmp sw Rear trn/ hazrd fuse 20 20a Red Right Right front marker lamp Right park/ turn signal lamp Rr sig lp ctrl vlt Rr stop/turn lamp ctrl Rt sig lp ctrl Stop fuse 3 15a Stop fuse 50 15a Stop lamp switch (above brake pedal assembly) Stop lmp ctrl Stop relay To trlr fuse 55 (diagram 2 0f 3) Trn sig sw Turn signal/ multi-function switch Turn switch Underhood fuse block (above left front wheelwell) X115 X116 d X116 h X117 X150 X201 X350 X351 Exterior Lamps Wiring Diagram (2 of 3) for Hummer H3T 2010 List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Hummer H3T 2010: 40 (approximately 41 cm rearward of body pass through in main bundle) j309 (n chassis harness approximately 11 cm before breakout to right rear wheel speed sensor) j357 (not used) Electronic brake control module (ebcm) (left of master cylinder) Engine control module (ecm) (right rear corner of engine compt) From a frt/prk fuse 43 (diagram 1 0f 3) G420 (mounted to left side of rear cross member, near x420) Instrument panel cluster (ipc) J358 J361 Left backup lamp Left rear turn signal lamp Left tail/ stop lamp Left turn ind License lamp Logic Lr prk fuse 37 10a Maj Min Red Right backup lamp Right rear turn signal lamp Right tail/ stop lamp Right turn ind Rr prk fuse 49 10a Stp lmp volt Transmission control module (tcm) (4 speed a/t) Trlr fuse 55 10a Underhood fuse block (above left front wheelwell) Volt stp lp W/ hd truck trailer W/ hd truck wiring harness truck trailer W/o hd truck trailer wiring harness W/o hd truck wiring harness truck trailer Wiring harness X102 X150 X410 X420 X430 Exterior Lamps Wiring Diagram (3 of 3) for Hummer H3T 2010 List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Hummer H3T 2010: 34 B11 Backup lamps circuit E x2 E-brake fuse 83 30a Front middle roof clear- ance lamp G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) G420 (mounted to left side of rear cross member, near x420) Hot at all times J160 J205 J392 J393 J394 J395 J396 J397 J398 J399 Left front inner roof clear- ance lamp Left front outer roof clear- ance lamp Logic Red Right front inner roof clear- ance lamp Right front outer roof clear- ance lamp Trailer connector (mounted on left side of trailer receiver, rear of vehicle) Trailer lighting converter Trlr b+ fuse 84 30a Underhood fuse block (above left front wheelwell) W/ hd truck trailer wiring harness X1 a X150 X200 X420
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Hummer H3T 2010 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Hummer H3T 2010: 66 3.7l 5.3l 87a A/c clutch diode A/c compressor clutch A/t Automatic transmission Backup lamp switch Battery Beem select relay 70 Brake fluid level switch Electronic brake control module (ebcm) Engine control module (ecm) Fog/lp relay 69 G100 (in engine compt, mounted to left front inner fender, behind battery) G102 (3.7l: on lower left side of engine block, rearward of g103) (5.3l: on engine block, below left cylinder head) G103 (on lower left side of engine block, forward of g102) G104 (left side of engine block, in front of starter) G105 (on left inner front wheelwell, behind battery) G110 (left side of engine block, forward of g103) G120 (on left lower inner wheelwell, near engine mount) Generator battery control module Hi/low wpr relay 73 Horn assembly If equipped Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 J110 (in body harness near ebcm, approximately 7.5 cm back from ebcm) J128 (in left ignition coil harness) J129 (in right ignition coil harness) J185 (in forward lamp harness, approximately 25 cm from x115) Left front fog lamp Left front marker lamp Left park/turn signal lamp M/t Mass air flow (maf)/intake air temperature (iat) sensor Nca On/off wpr relay 72 Park/ neutral position (pnp) switch Pcm cntrl relay Right front fog lamp Right front marker lamp Right park/turn signal lamp Rr defog relay 71 Run/ crank relay 78 Secondary air injection (air) pump Secondary air injection (air) pump solenoid Stop relay 66 Sunroof motor Sunroof switch To splice j157 (diagram 2 of 4) To splice j160 (diagram 2 of 4) Transmission control module (tcm) Truck Underhood fuse block (above left front wheel- well) Underhood fuse block (above left front wheelwell) W/ electric air injection reactor Wind- shield wiper motor X115 X175 n Ground Distribution Wiring Diagram (2 of 4) for Hummer H3T 2010 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Hummer H3T 2010: 52 (h3t: in chassis harness 33 cm from g420) j361 (if equipped) rearview camera From ground g105 (diagram 1 of 4) Front middle roof clearance lamp Frontview camera image display module Frontview camera switch Fuel pump flow control module G420 (mounted to left side of rear cross member, near x420) Inside rearview mirror (srvm) J105 (in dealer installed grille lamps off road harness, near left side grille lamp connector) J160 J161 J162 J231 J302 (in dealer installed off road harness, under roof-mounted light bar near drivers side lamp connector) J328 (in front view camera body harness) J392 J393 J394 J395 Left backup lamp Left front inner roof clearance lamp Left front outer roof clearance lamp Left off road grille lamp Left off road roof lamp Left rear turn signal lamp Left tail/stop lamp License lamp Logic Nca Right backup lamp Right front inner roof clearance lamp Right front outer roof clearance lamp Right off road grille lamp Right off road roof lamp Right rear turn signal lamp Right tail/stop lamp Suv Trailer connector Trailer lighting converter Truck W/ camera frontview W/ hd truck trailer wiring harness W/ hd truck wiring harness truck trailer W/ off-road lamp radiator grille gaurd W/ roof mounted marker lamps W/ roof mounted off-road lamps W/o camera frontview & off-road lamp radiator grille gaurd W/o hd truck trailer wiring harness W/o hd truck wiring harness truck trailer W/o roof mounted marker & off-road lamps X420 Ground Distribution Wiring Diagram (3 of 4) for Hummer H3T 2010 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Hummer H3T 2010: 49 A/t Automatic transmission shift lever Center high mounted stop lamp (chmsl) Driver back heated seat element Driver cushion heated seat element Driver door lock/ window switch Driver heated seat control module Driver seat adjuster switch Driver seat lumbar adjuster switch G107 G340 (suv: behind right rear quarter trim, near wheelwell) (truck: base of right "c" pillar) G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) J118 (in the forward lamp harness 5 cm from the breakout to x103) J306 (in driver seat harness in breakout to lumbar adjuster/heater switch) J314 (in body harness, approximately 44.5 cm rearward of breakout to left seat belt pretensioner) J316 (in passenger seat harness, approximately 5 cm before breakout to seat adjuster & lumbar adjuster/heater switches) J318 (in passenger seat heater element jumper harness) J322 (in driver seat heater element jumper harness) J514 (in driver door harness, approximately 6.5 cm before breakouts to door lock & window switch) J900 (in endgate harness, approximately 19.5 cm rearward of endgate grommet) Left backup lamp Left engine cooling fan Left rear window switch Left tail/ stop & turn signal lamp Nca Outside rearview mirror switch Passenger back heated seat element Passenger cushion heated seat element Passenger door lock/ window switch Passenger heated seat control module Passenger seat adjuster switch Passenger seat lumbar adjuster switch Rear accessory power outlet Rear window defogger grid Rear window wiper motor Relay 2 Right backup lamp Right rear window switch Right tail/ stop & turn signal lamp Secondary underhood fuse block Suv Truck X450 X500 X600 X700 X800 X901 Ground Distribution Wiring Diagram (4 of 4) for Hummer H3T 2010 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Hummer H3T 2010: 67 (if equipped) audio amplifier (if equipped) digital radio receiver (if equipped) inflatable restraint vehicle rollover sensor (if equipped) theft deterrent module (tdm) (w/ onstar) vehicle communication interface module (vcim) (w/ spo dvd1) digital video disc (dvd) control module (w/ spo dvd2) digital video disc (dvd) control module A12 B10 Body control module (bcm) Center high mounted stop lamp (chmsl) Data link connector (dlc) Driver door jamb switch Driver seat belt switch Front dome/ reading lamps G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) G310 (mounted under left side of passenger seat) G320 (under rear of middle console carpet, on floor board) Hazard switch Headlamp dimmer switch High speed blower motor relay Hvac control module I/p accessory power outlet 1 I/p accessory power outlet 2 I/p multi-function switch Ignition lock cylinder control actuator Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror (isrvm) Inside rearview mirror (isrvm) connector Instrument panel cluster (ipc) J206 (in i/p harness, approximately 7 cm right of breakout to right footwell lamp) J300 (in body harness, approximately 20 cm forward of left rocker channel cover) J320 (in body harness rear seat area along sill, approximately 20 cm rearward of breakout to g320) J340 (in dome lamp jumper harness, approximately 10 cm before breakout to right sunshade) Left rear door jamb switch Left sunshade Liftgate ajar switch Middle dome/ reading lamps Nca Not used Passenger door jamb switch Passenger seat belt switch Pnk Radio Rear window wiper/washer switch Right rear door jamb switch Right sunshade Steering wheel position sensor To left footwell lamp) Transfer case shift control module Truck Turn signal/ multi-function switch W/ electric sliding glass sunroof W/ frontview camera W/ sunshade inside mirror W/o electric sliding glass sunroof W/o frontview camera Windshield washer fluid pump X1 a X200 X201 X201 b4 X204 X315 Yaw & lateral accelerometer sensor
HEADLIGHTS Headlights Wiring Diagram for Hummer H3T 2010 List of elements for Headlights Wiring Diagram for Hummer H3T 2010: 74 (in forward lamp harness, near center point of top of radiator, approximately 58 cm from x115) 15 cm from x115) 87a A x116 A x117 A10 A11 A18 A31 A36 A37 A39 A43 Ambient light sensor (right side of dash upper trim panel) Ambient lt sens Auto B x116 B x117 B10 Beam select relay 70 Body control module (bcm) (behind right front kick panel) Class 2 data Class 2 ser data Class 2 serial data Drl fuse 39 10a Drl ind logic Drl relay Drl rly ctrl Flash to pass Fog lmp ind Fog lp rly ctrl Fog lp sw sig Fog/lp fuse 24 15a Front fog lamp ind Front fog lamp switch Frt fog lp relay 69 G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) Hdlp dim sw sig Hdlp off sig Hdlp on sig Hdlp relay Hdlp rly ctrl Head on Headlamp dimmer switch Headlamp switch Hi bm rly ctrl High beam High beam ind Hot at all times Ign Instrument panel cluster (ipc) J112 (in forward lamp harness, near left upper radiator support, approximately 48.5 cm from x115) J120 J145 J185 (in forward lamp harness, approximately 25 cm from x115) J205 Left front fog lamp Left head- lamp Low ref Lt hdlp fuse 41 10a Off Park Park brake switch (left lower side of dash) Pk brake sw sig Pnk Red Right front fog lamp Right head- lamp Rt hdlp fuse 40 10a Turn signal/ multi-function switch Underhood fuse block (above left front wheelwell) X115 X201
HORN Horn Wiring Diagram for Hummer H3T 2010 List of elements for Horn Wiring Diagram for Hummer H3T 2010: 16 A25 A40 B11 x201 Body control module (behind right front kick panel) G105 (on left inner front wheelwell, behind battery) Horn (front of vehicle, behind grill) Horn contact in Horn fuse 36 10a Horn relay 74 Horn rly cntrl Horn switch Hot at all times Inflatable restraint steering wheel module coil (mounted to steering wheel) J185 Underhood fuse block (above left front wheelwell) X115
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Hummer H3T 2010 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Hummer H3T 2010: 64 (under driver seat carpet, on floor board) g300 3.7l 5 volt ref 1 5.3l A nca Abs ind Air bag ind B nca B10 Battery Brake ind Charging ind Chime Clstr fuse 19 10a Computer data lines system Cruise ind Driver information center (dic) Ect sense Engine control module (ecm) (right rear corner of engine compt) Engine controls system Engine coolant Engine coolant temper- ature gauge Engine coolant temperature (ect) sensor (front left of engine) Engine oil pressure (eop) sensor (5.3l) (top of engine near rear of intake manifold) Engine oil pressure (eop) switch (3.7l) (above oil filter) Fuel gauge Fuel level Fuel pump & sender assembly (mounted on top of fuel tank) Ground High beam ind Hot at all times Ign Illumination (4 bulbs) Instrument panel cluster (ipc) J251 J359 (in chassis harness, approximately 22.5 cm from fuel pump & sender assembly connector) Left turn ind Logic Low ref Low tire pressure ind Malfunction ind Mil Oil gauge Oil press Oil pressure ind Right turn ind Seat belt ind Security ind Sensor sig Serial data Speedo- meter Tacho- meter Tan Temperature (ect) sensor (left side of engine) Traction control ind Trip/ odometer Trip/ reset switch Underhood fuse block (above left front wheelwell) Upshift ind Volts Warning system X150 X200 X204 Instrument Cluster Wiring Diagram (2 of 2) for Hummer H3T 2010 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Hummer H3T 2010: 50 A19 A26 A31 A32 A38 A39 A41 A42 A44 A47 Anti-theft system Body control module (bcm) (behind right front kick panel) Brake fluid level switch (on left side of brake fluid reservoir) Brk fluid lvl Computer data lines system Driver door ajar switch (in lower left "b" pillar) Driver seat belt buckle Driver seat belt switch Electronic brake control module (ebcm) (left of master cylinder) G105 (on left inner front wheelwell, behind battery) G300 (under driver seat carpet, on floor board) G310 (mounted under left side of passenger seat) G320 (under rear of middle console carpet, on floor board) Inflatable restraint sensing & diagnostic module (sdm) (beneath lower console) J110 J300 J310 J320 J347 (in body harness, approximately 42 cm rearward of breakout to right seat belt pretensioner) Left rear door ajar switch (in lower left "c" pillar) Lf door ajar sw sig Lr door ajar sw sig Lr turn lamp Nca Park brake switch (left lower side of dash) Passenger door ajar switch (in lower right "b" pillar) Passenger seat belt buckle Passenger seat belt switch Pnk Prk brk sw Red Rf door ajar sw sig Right rear door ajar switch (in lower right "c" pillar) Rr door ajar sw sig Rr turn lamp Seat belt sw Security ind Serial data X308 X320
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Hummer H3T 2010 List of elements for Courtesy Lamps Wiring Diagram for Hummer H3T 2010: 80 (in body harness, approximately 6 cm to right of stop lamp switch breakout in main harness) (in dome lamp jumper harness, approximately 5 cm before breakout to right sunshade) (suv: behind left rear quarter trim, near wheelwell) (track: base of right "c" pillar) g350 A10 A11 A12 A24 A30 A32 A38 A39 A40 A41 A44 A46 A47 Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Cargo sw sig Center high mounted stop lamp (chmsl) Dome lamp (suv) Dome on switch Dome override switch Driver door ajar switch (in lower left "b" pillar) Driver door lock/window switch Endgate ajar switch (suv) (in right "d" pillar) Front dome/ reading lamps (w/ sunroof) Frt prk fuse 43 10a Frt turn/ hazard/ ctsy mir fuse 56 15a G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) G320 (under rear of middle console carpet, on floor board) G340 (suv: behind right rear quarter trim, near wheelwell) (track: base of right "c" pillar) Headlamp switch Hood ajar switch (suv) (part of hood latch assembly) Hot at all times J185 J209 J300 J315 J320 J330 (suv & truck w/ sunroof & inside front van mirror) b J340 J350 (truck w/ sunroof & suv) (in dome lamp jumper harness, approximately 5 cm before breakout to dome/reading lamp) J514 Lamp ctrl Lamp sw sig Left i/p courtesy lamp Left rear door ajar switch (in lower left "c" pillar) Left sunshade (w/ inside front van mirror) Left vanity mirror lamp Lf door ajar Low ctrl Low ref Lr door ajar Middle dome/ reading lamps Nca Override sw Park lamp relay Passenger door ajar switch (in lower right "b" pillar) Passenger door lock/ window switch Pk lp ctrl Power ctrl Rf door ajar Right i/p courtesy lamp Right rear door ajar switch (in lower right "c" pillar) Right sunshade (w/ inside front van mirror) Right vanity mirror lamp Rr door ajar Truck Underhood fuse block (above left front wheelwell) W/ anti theft cover lock control W/ sunroof & inside front van mirror W/o sunroof & inside front van mirror X115 X350 X351 X500 X600 Instrument Illumination Wiring Diagram for Hummer H3T 2010 List of elements for Instrument Illumination Wiring Diagram for Hummer H3T 2010: 61 (4 bulbs) (5 bulbs) (in body harness, approximately 6 cm to right of stop lamp switch breakout in main harness) j209 A10 A24 A27 A28 A29 A30 A33 A34 A36 A39 A48 Auto Back lighting Battery Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Computer data lines system Dim control Dim sw sig Driver door lock/ window switch x1 Exterior lights system Frt prk fuse 43 10a G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) G340 (suv: behind right rear quarter trim, near wheelwell) (truck: base of right "c" pillar) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Hazard warning switch Head Headlamp switch Hot at all times Hvac control module (beneath radio) I/p multi-function switch Instrument panel cluster (ipc) Instrument panel lamps dimming control J205 J210 J315 J514 Logic Low ref Lr prk fuse 37 10a Off Park Park lamp relay Passenger door lock/ window switch Pk lp ctrl Radio Rear window wiper/washer switch (suv) Serial data Sunroof switch (if equipped) Sw sig Underhood fuse block (above left front wheelwell) W/ spo dvd 1 X204 X270 X335 X500 X600
NAVIGATION Navigation Wiring Diagram for Hummer H3T 2010 List of elements for Navigation Wiring Diagram for Hummer H3T 2010: 27 10a Battery pos volt Cellular, navigation & digital radio antenna (mounted to right front roof area) Class 2 serial data Coax Computer data lines system Digital radio receiver (right side of dash) G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) Ground Hot at all times J106 J205 J214 J234 (w/ digital audio) J251 L-gr Navigation antenna Radio Rdo fuse 13 15a Red Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) (center of dash below hvac control head) Vehicle communication interface module (vcim) inline fuse X130 X200 X222 Rear View Camera Wiring Diagram for Hummer H3T 2010 List of elements for Rear View Camera Wiring Diagram for Hummer H3T 2010: 20 (mounted to left side of rear cross member, near x420) g420 Backup lp ctrl Backup lp sig Camera sig (+) Camera sig (-) Drain wire Exterior lights system Ground Hot w/ run/crank relay 78 energized Ign voltage Inside rearview mirror (isrvm) Logic Mirror display Pnk Rear vision fuse 18 10a Rearview camera (center of rear bumper) Red Underhood fuse block (above left front wheelwell) X150 X420
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 4) for Hummer H3T 2010 List of elements for Power Distribution Wiring Diagram (2 of 4) for Hummer H3T 2010: 83 (3.7l) (5.3l) (in driver seat harness, approximately 28.5 cm back from x307) j312 (in passenger seat harness, approximately 10 cm before breakout to seat adjuster & lumbar adjuster/heater switches) j341 1-2 shift solenoid (ss) valve 2-3 shift solenoid (ss) valve A/t Air pump fuse 62 60a Air pump rly Automatic transmission Automatic transmission input shaft speed (iss) sensor Cool fans fuse 62 40a Cruise control release switch Cruise/misc fuse 35 10a Driver seat adjuster switch Driver seat lumbar adjuster switch Drl fuse 39 10a Drl relay 79 Fog lamp relay From air e pump fuse 62 (diagram 2 of 4) From rap/ d accy relay 88 (diagram 1 of 4) Frt fog lmp relay 69 Frt/wpr fuse 25a Fuse 1 20a Fuse 10a Fuse 2 20a G105 (on left inner front wheelwell, behind battery) Generator battery control module Hdlp relay Horn relay I/p multi- function switch Inflatable restraint front passenger presence system (pps) sensor Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint vehicle rollover sensor Inside rearview mirror (isrvm) Inside rearview mirror (isrvm) connector J123 (in auxiliary power relay jumper harness) J124 (in auxiliary power relay jumper harness) J125 (inside auxiliary power relay jumper harness) J133 Nca Not used Passenger seat adjuster switch Passenger seat lumbar adjuster switch Pnk Power seat fuse holder Pwr seats fuse 61 40a Pwr/trn relay Rear vision fuse 18 10a Red Relay 1 Relay 2 Relay 3 Run/ crnk relay Rvc pwr fuse 7 10a Rvc snsr fuse 32 10a Seat circuit breaker 25a Secondary air injection (air) pump relay Secondary air injection (air) pump relay (w/ air injection electric reactor system) Secondary underhood fuse block Sir fuse 27 10a Stop relay 66 (truck) Tcm To abs/vses fuse 29 (diagram 3 of 4) To body control module (diagram 4 of 4) To j159 (diagram 4 of 4) To j272 (diagram 4 of 4) To run/ crank relay 78 (diagram 2 of 4) To spo grille guard fuse 2 (diagram 3 of 4) Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve Torque converter clutch (tcc) solenoid valve Trans fuse 34 10a Trans- mission control module (tcm) Underhood fuse block (above left front wheelwell) W/ air injection electric reactor system W/ front view camera W/ heavy duty W/ multi directional driver front power seat adjuster W/ multi directional passenger power seat adjuster W/o front view camera X125 X200 X315 Power Distribution Wiring Diagram (3 of 4) for Hummer H3T 2010 List of elements for Power Distribution Wiring Diagram (3 of 4) for Hummer H3T 2010: 78 (3.7l) (5.3l) (above left front wheelwell) underhood fuse block (if equipped) (in blower motor resistor jumper harness, approximately 15 cm from x203) j220 (in body harness, approximately 5 cm before breakout to ebcm) j141 (in dealer installed off road harness, 1.5 cm from roof lamps relay, near master cylinder) j101 (in engine compartment harness, near grille lamps relay, by master cylinder) j103 (in engine compt harness, near grille lamps relay, by master cylinder) j103 (in forward lamp harness 5 cm from the breakout to x103) (left engine coil harness) j113 (not used) (right engine coil harness) j116 3.7l 5.3l A/c clutch/ relay 76 A26 Abs/vses fuse 29 10a Air sol fuse 44 15a Air sol relay Blower motor Blower motor high speed relay Body control module (bcm) C11 Driver seat lumbar adjuster switch Electronic brake control module (ebcm) Engine control module (ecm) Erls fuse 22 15a Evaporative emission (evap) canister vent solenoid valve From cool fans fuse 62 (diagram 2 of 4) From inj fuse 23 (diagram 3 of 4) From o ign-1 fuse 33 (diagram 3 of 4) From trans f fuse 34 (diagram 2 of 4) Fuel injector Fuel pump flow control module Hvac blwr fuse 82 30a Hvac cntrl hd fuse 59 10a Hvac control module Hvac relay I/p multi- function switch Ign-1 fuse 33 15a 20a Ignition coil 1 Ignition coil 2 Ignition coil 2 (3.7l) Ignition coil 3 Ignition coil 3 (3.7l) Ignition coil 4 Ignition coil 5 Ignition coil 5 (3.7l) Ignition coil 6 Ignition coil 7 Ignition coil 8 Inj fuse 23 15a 20a J118 Mass air flow (maf)/ intake air temperature (iat) sensor Nca Off road grille lamp relay (if equipped) Off road roof lamp relay Passenger seat belt buckle Pcm 1 fuse 21 10a Pnk Pnk (engine harness, 5 cm from breakout to fuel injector 1) j111 Pwr htr sw fuse 53 10a Rear defog relay Red Spo grille guard fuse 2 20a Spo roof rack lights fuse 4 20a Steering wheel position sensor Tccm switch fuse 58 10a To a/c clutch relay 76 (diagram 3 of 4) To batt ign switch fuse 5 (diagram 4 of 4) To erls fuse 22 (diagram 3 of 4) Underhood fuse block (above left front wheelwell) Vses/ abs fuse 52 10a X1 d X150 X200 a3 X200 d8 Yaw & lateral accelerometer sensor Power Distribution Wiring Diagram (4 of 4) for Hummer H3T 2010 List of elements for Power Distribution Wiring Diagram (4 of 4) for Hummer H3T 2010: 63 (a/t) (in steering column harness between x201 & red (w/ spo dvd2) j272 10a 5-volts reference A14 Acc Accessory voltage Batt ign switch fuse 5 10a Body control module (bcm) (behind right front kick panel) Digital radio receiver Digital video disc (dvd) control module Digital video disc (dvd) control module inline fuse Digital video disc (dvd) control module inline fuse (w/ spo dvd2) Engine control module (ecm) From battery a (diagram 1 of 4) From cruise/ misc fuse (underhood fuse block) (diagram 2 of 4) From k rear defog relay 71 (diagram 3 of 4) From rear vision fuse (underhood fuse block) (diagram 2 of 4) From rear wpr sw/pump fuse 16 (underhood fuse block) (diagram 1 of 4) From run/crnk relay 78 (diagram 2 of 4) Front view camera switch Fuel pump flow control module Ign Ignition switch J106 (engine harness, on breakout to x130) J159 (body harness, in breakout to front view camera power harness) J200 (w/ immobilization security system equipment) (in steering column harness between x200 & theft deterrent module) J207 J227 (front view camera switch harness, in breakout to body harness) J234 (w/ digital audio) (in i/p harness center dash area, approximately 5 cm left of breakouts to hvac in main bundle) J270 (spo accessory power jumper harness, 10 cm from rear wiper/washer switch) Off Park lamp relay 89 Pnk Rear view camera Rear window wiper/ washer switch Red Run Run/ crank voltage Start Theft deterrent module (tdm) (w/ immobilization security system equipment) Theft deterrent module) (w/ immobilization security system equipment) j201 Transmision control module (tcm) (a/t) Turn signal/ multi- function switch Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) Vehicle communication interface module (vcim) inline fuse W/ digital audio W/ front view camera W/ rear view camera W/ spo dvd1 W/o spo dvd1 X102 X150 X2 a42 X200 X200 b8 X200 b9 X201 a8 X201 b1 X201 b3 X420
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Hummer H3T 2010 List of elements for Power Door Locks Wiring Diagram for Hummer H3T 2010: 60 (in body harness, approximately 3 cm to left of park brake switch breakout) (in body harness, approximately 3 cm to right of park brake switch breakout) j295 (not used) A11 A12 A38 A39 A41 A42 A44 A47 All doors lock ctrl All doors unlock ctrl Battery + Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Class 2 ser data Class 2 serial data Computer data lines system Door unlock Door unlock ctrl Dr unlock relay Driver door lock actuator (in center rear of driver door, near door latch) Driver door lock/ window switch Driver door unlock ctrl Frt turn/ hazrd/ctsy mir fuse 56 15a G320 (under rear of middle console carpet, on floor board) G340 (suv: behind right rear quarter trim, near wheelwell) (truck: base of right "c" pillar) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Ground Hot at all times Instrument panel cluster (ipc) J244 (in body harness behind passenger side dash area, approximately 25 cm before breakout to right front door) J294 J315 J320 J514 J529 (in driver door harness, approximately 7.5 cm before breakout to power window motor) Left rear door lock actuator (in center rear of left rear door, near door latch) Liftgate door lock actuator (suv) Lock Lock relay Lock sw Logic Pass door lock ctrl Passenger door lock actuator (in center rear of passenger door, near door latch) Passenger door lock/ window switch Pwr/ lks fuse 8 20a Rear trn/ hazrd fuse 20 20a Right rear door lock actuator (in center rear of right rear door, near door latch) Tan Underhood fuse block (above left front wheelwell) Unlock Unlock ctrl Unlock relay X450 X500 X600 X700 X800
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Hummer H3T 2010 List of elements for Electrochromic Mirror Wiring Diagram for Hummer H3T 2010: 43 (or 7069) (or 9992) (w/ rear view camera) display Ambient air temp sens sig Ambient air temperature sensor (attached to front center of radiator support) Automatic day/night mirror Backup lp ctrl Bare Camera sig + Camera sig - Cruise/ misc fuse 35 10a Drai gnd Emergency switch Exterior lights & navigation systems G105 (on left inner front wheelwell, behind battery) G300 (under driver seat carpet, on floor board) Gnd Green led Hot at all times Hot in run or start Ign volt Inside rearview mirror J300 Keypad Keypad ctrl Keypad green led sig Keypad red led sig Logic Low ref Mirror display Navigation system Onstar button assembly (if equipped) Onstar switch Phone switch Pnk Power distribution system Red led Run/ crnk relay 78 Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) (w/ onstar) (center of dash below hvac control head) X1 sig X115 X200 Power Mirrors Wiring Diagram for Hummer H3T 2010 List of elements for Power Mirrors Wiring Diagram for Hummer H3T 2010: 23 A29 Body control module (bcm) (behind right front kick panel) Down Driver outside rearview mirror Frt trn/hazrd ctsy mir fuse 56 15a G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Horz left Horz right Hot at all times Inadvertent power ctrl J514 J590 (in driver door harness, approximately 7.5 cm before breakout to osrvm) Left Nca Off Outside rearview mirror switch Passenger outside rearview mirror Right Underhood fuse block (above left front wheelwell) Vert Vert up X500 X600
POWER SEATS Driver Heated Seat Wiring Diagram for Hummer H3T 2010 List of elements for Driver Heated Seat Wiring Diagram for Hummer H3T 2010: 22 A26 Body control module (bcm) (behind right front kick panel) Driver back heated seat element Driver cushion heated seat element Driver heated seat module (in driver seat bottom) Driver seat lumbar adjuster switch G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) High High/low status ind bulb Hot at all times Htd/seats fuse 1 20a Hvac relay Ign 3 rly coil J306 J322 Low Nca Passenger's heated seat circuit Pnk Pwr htr sw fuse 53 10a Red Underhood fuse block (above left front wheelwell) Driver Power Seat Wiring Diagram for Hummer H3T 2010 List of elements for Driver Power Seat Wiring Diagram for Hummer H3T 2010: 19 25a Back Driver seat adjuster motor assembly Driver seat adjuster switch Front vertical Fwd G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Horiz- ontal Hot at all times J306 J312 Lumbar circuit Nca Power seat fuse holder Pwr seats fuse 61 40a Rear vertical Seat circuit breaker Tan Underhood fuse block (above left front wheelwell) Lumbar Wiring Diagram for Hummer H3T 2010 List of elements for Lumbar Wiring Diagram for Hummer H3T 2010: 23 25a Driver lumbar pump motor (in driver seat) Driver power seat circuit Driver seat lumbar adjuster switch Fwd G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Hot at all times J306 J312 J316 J341 Nca Passenger lumbar pump motor (in passenger seat) Passenger power seat circuit Passenger seat lumbar adjuster switch Pnk Power seat fuse holder Pwr seats fuse 61 40a Red Rwd Seat circuit breaker Underhood fuse block (above left front wheelwell) X315 Passenger Power Seat Wiring Diagram for Hummer H3T 2010 List of elements for Passenger Power Seat Wiring Diagram for Hummer H3T 2010: 21 25a Front vertical Fwd G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Horiz- ontal Hot at all times J312 J316 J341 Lumbar circuit Nca Passenger seat adjuster motor assembly Passenger seat adjuster switch Power seat fuse holder Pwr seats fuse 61 40a Rear vertical Rwd Seat circuit breaker Tan Underhood fuse block (above left front wheelwell) X315 Passenger"s Heated Seat Wiring Diagram for Hummer H3T 2010 List of elements for Passenger"s Heated Seat Wiring Diagram for Hummer H3T 2010: 30 (not used) A26 Body control module (bcm) (behind right front kick panel) C nca D nca Dr htd seat sw off sig Driver heated seat circuit G345 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) High High/low status ind bulb Hot at all times Htd/seats fuse 1 20a Hvac relay Ign Ign 3 rly coil J316 J318 Logic Low Nca Passenger back heated seat element Passenger cushion heated seat element Passenger heated seat module (in passenger seat bottom) Passenger seat belt buckle Passenger seat lumbar adjuster switch Pnk Pwr htr sw fuse 53 10a Red Underhood fuse block (above left front wheelwell) X315
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Hummer H3T 2010 List of elements for Power Top/Sunroof Wiring Diagram for Hummer H3T 2010: 22 Body control module (bcm) (behind right front kick panel) Closed G105 (on left inner front wheelwell, behind battery) Ground Hot at all times Ign volt Interior lights system J143 J210 Logic Motor Open Pwr s/roof fuse 57 30a Rap rly Rap/accy relay S/roof frt/wpr fuse 9 10a Sunroof actuator m Sunroof motor (at front of sunroof module) Sunroof switch Sw closed Sw open Underhood fuse block (above left front wheelwell)
POWER WINDOWS Power Windows Wiring Diagram for Hummer H3T 2010 List of elements for Power Windows Wiring Diagram for Hummer H3T 2010: 36 (in body harness, approximately 11 cm to right of stop lamp switch breakout in main harness) j213 Down Down relay Driver door lock/window switch Driver window motor (attached to interior of left front door) G340 (suv: behind right rear quarter trim, near wheelwell) (truck: base of right "c" pillar) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Hot w/ rap/accy relay 88 energized Interior lights system J247 J264 J314 J315 J514 Left rear window motor (attached to interior of left rear door) Left rear window switch Logic Lr down Lr up Lt pwr wndw fuse 68 30a Passenger door lock/window switch Passenger window motor (attached to interior of right front door) Rf down Rf up Right rear window motor (attached to interior of right rear door) Right rear window switch Rr down Rr up Rt pwr wndw fuse 63 30a Tan Underhood fuse block (above left front wheelwell) Up relay W/l X500 X600 X800
RADIO Base Radio Wiring Diagram for Hummer H3T 2010 List of elements for Base Radio Wiring Diagram for Hummer H3T 2010: 57 A10 A11 A12 Aud common Audio comm sig B10 B11 B12 Coax Coax sr x220 Common sig Computer data lines system Drain wire Engine control module (ecm) (right rear corner of engine compt) G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) Ground Hot at all times J205 J214 J251 Left aud sig Left audio sig Left front speaker Left front tweeter speaker Left rear speaker Lf out + Lf out - Lr out + Lr out - Lt-gn Navigation antenna Nca Radio Radio antenna Rdo fuse 13 10a Rf out + Rf out - Right aud sig Right front speaker Right front tweeter speaker Right rear speaker Rr out + Rr out - Satellite radio circuit Serial data Tan Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) (w/ onstar) (center of dash below hvac control head) Vss X200 X204 X3 sr X500 X600 X700 X800 Premium Radio Wiring Diagram (1 of 2) for Hummer H3T 2010 List of elements for Premium Radio Wiring Diagram (1 of 2) for Hummer H3T 2010: 61 (suv) (truck) A10 A11 A12 Audio comm sig B10 B11 B12 C10 C11 C12 Coax Common sig Computer data lines system Drain wire Engine control module (ecm) (right rear corner of engine compt) G106 (on right inner front wheelwell) G300 (under driver seat carpet, on floor board) Ground Hot at all times J205 J214 J251 Left aud sig Left audio sig Left front speaker Left front tweeter speaker Lf out + Lf out - Lr out + Lr out - Lt-gn Navigation antenna Nca Pnk Radio Radio antenna Radio mute Radio on sig Rdo fuse 13 10a Rf out + Rf out - Right aud sig Right front speaker Right front tweeter speaker Rr out + Rr out - Satellite radio circuit Serial data Suv Tan Truck Underhood fuse block (above left front wheelwell) Vehicle communication interface module (vcim) (center of dash below hvac control head) Vss X204 X207 X220 X500 X600 Premium Radio Wiring Diagram (2 of 2) for Hummer H3T 2010 List of elements for Premium Radio Wiring Diagram (2 of 2) for Hummer H3T 2010: 41 Amp fuse 38 25a Audio amplifier (mounted next to subwoofer) G300 (under driver seat carpet, on floor board) Ground Hot at all times J300 L spk out + L spk out - Left rear speaker Left subwoofer Lf aud sig + Lf aud sig - Lf spkr out + Lf spkr out - Lr aud sig + Lr aud sig - Lr spkr out + Lr spkr out - Pnk R spk out + R spk out - Radio mute sig Radio on sig Red Rf aud sig + Rf aud sig - Rf spkr out + Rf spkr out - Right rear speaker Right subwoofer Rr aud sig + Rr aud sig - Rr spkr out + Rr spkr out - Subwoofer speaker Suv Tan Truck Underhood fuse block (above left front wheelwell) X700 X800 Satellite Radio Wiring Diagram for Hummer H3T 2010 List of elements for Satellite Radio Wiring Diagram for Hummer H3T 2010: 23 10a Antenna sig Aud common Audio common Battery Cellular, navigation & digital radio antenna (mounted to right front roof area) Coax Digital radio receiver (right side of dash) Drain wire G300 (under driver seat carpet, on floor board) Ground Hot at all times J234 J251 Lt aud sig Lt aud sig+ Nca Radio Rt aud sig Rt aud sig+ Serial data Vehicle communication interface module (vcim) inline fuse X221 bn Video System Wiring Diagram for Hummer H3T 2010 List of elements for Video System Wiring Diagram for Hummer H3T 2010: 28 (on right inner front wheelwell) (w/ spo dvd1) g106 g300 (w/ spo dvd2) (under driver seat carpet, on floor board) (or red) (w/ spo dvd1) (w/ spo dvd2) hot w/ run/crnk relay energized (w/ spo dvd1) hot w/ rap/accy relay energized 12c clock sig 12c data Acc volt (w/ spo dvd1) ign 1 volt (w/ spo dvd2) Clock sig Digital video disc (dvd) control module Digital video disc (dvd) control module inline fuse Driver seat headrest digital video disc (dvd) display Fm ant Fm antenna Gnd I2c I2c data Ign volt J271 L audio (+) Passenger seat headrest digital video disc (dvd) display R audio (+) Red Video sig (+) Video sig (-) X371 X372 X373 X374
SHIFT INTERLOCK Ignition Lock Solenoid Wiring Diagram for Hummer H3T 2010 List of elements for Ignition Lock Solenoid Wiring Diagram for Hummer H3T 2010: 15 Automatic transmission shift lever Body control module (bcm) (behind right front kick panel) C12 G106 (on right inner front wheelwell) Hot at all times Ignition lock cylinder control actuator (on upper right side of steering column) J143 J205 Park position switch (closed in park) Rap relay Rap/accy relay 88 S/roof frt/wpr fuse 9 15a Underhood fuse block (above left front wheelwell) X200 X201 Shift Interlock Wiring Diagram for Hummer H3T 2010 List of elements for Shift Interlock Wiring Diagram for Hummer H3T 2010: 29 (in body harness, approximately 14 cm to right of stop lamp switch breakout in main harness) A31 x2 A37 A47 x1 Automatic transmission Automatic transmission shift lever Automatic transmission shift lock control solenoid B+ voltage Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Class 2 serial data Computer data lines system D1 x200 Engine control module (ecm) (right rear corner of engine compt) Exterior lights system G102 (3.7l: on lower left side of engine block, rearward of g103) (5.3l:on engine block, below left cylinder head) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Ground distribution system Hot at all times J215 J314 P/n sig Park/ neutral position (pnp) switch Shift sol ctrl Stop fuse 50 15a Stop lamp control Stop lamp switch (above brake pedal assembly) Underhood fuse block (above left front wheelwell) X1 a7
STARTING/CHARGING Charging Wiring Diagram for Hummer H3T 2010 List of elements for Charging Wiring Diagram for Hummer H3T 2010: 39 (above left front wheelwell) underhood fuse block B10 Batt pos vol Batt pos vol field duty cycle sig c Battery Charge indicator Class 2 Class 2 series data Clstr fuse 19 10a Computer data lines system Driver information center (dic) Engine control module (ecm) (right rear corner of engine compt) Field duty G100 (in engine compt, mounted to left front inner fender, behind battery) G102 (3.7l: on lower left side of engine block rearward of g103) (5.3l: on engine block, below left cylinder head) G104 (3.7l) g103 (5.3l) (3.7l: left side of engine block, in front of starter) (5.3l: on lower left side of engine block, forward of g102) Gen fuse 91 125a Generator Generator battery control module (left front of engine compt, near battery) Gnd Instrument panel cluster (ipc) J136 Logic Power distribution system Red Reg ctrl Rvc pwr fuse 7 10a Rvc snsr fuse 32 10a Serial data Starter Turn on sig Underhood fuse block (above left front wheelwell) Used) (not X1 serial data X102 X125 X200 X3 control regulator X3 cycle sig Starting Wiring Diagram, A/T for Hummer H3T 2010 List of elements for Starting Wiring Diagram, A/T for Hummer H3T 2010: 31 Acc Automatic transmission Batt ign switch fuse 5 10a Battery Body control module (bcm) (behind right front kick panel) Engine control module (ecm) (right rear corner of engine compt) G100 (in engine compt, mounted to left front inner fender, behind battery) G102 (on engine block, below left cylinder head) G103 (on lower left side of engine block, forward of g102) G105 (on left inner front wheelwell, behind battery) Ignition switch Ignition voltage J200 (w/ immobilization security system equipment) Off Park/neutral position (pnp) switch Pcm 1 fuse 21 10a Pcm cntrl relay 77 Pnk Pnp/neutral signal Power distribution system Red Run Run/crnk relay 78 Start Starter Starter enable relay control Strtr fuse 85 30a Underhood fuse block (above left front wheelwell) X1 b6 X2 b8 X201 a2 Starting Wiring Diagram, M/T for Hummer H3T 2010 List of elements for Starting Wiring Diagram, M/T for Hummer H3T 2010: 29 A14 A38 A42 Acc Battery Body control module (bcm) (behind right front kick panel) Computer data lines system Engine control module (ecm) (right rear corner of engine compt) G100 (in engine compt, mounted to left front inner fender, behind battery) G102 (on lower left side of engine block rearward of g103) G104 (left side of engine block, in front of starter) Ign Ign key resistor sig Ign volt Ignition switch Off Pcm cntrl relay Power distribution system Red Run Serial data Serial data bus + Serial data bus - Start Starter Strtr fuse 85 30a Tan Underhood fuse block (above left front wheelwell) X201
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Hummer H3T 2010 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Hummer H3T 2010: 55 Driver seat belt pretensioner (at left inner "b" pillar) G310 (mounted under left side of passenger seat) Gnd Hot w/ run/crank relay energized I/p multi-function switch I/p stage 1-hi I/p stage 1-lo I/p stage 2-hi I/p stage 2-lo Ignition voltage Inflatable restraint i/p module (above dash compartment) Inflatable restraint passenger air bag on/off indicator Inflatable restraint sensing & diagnostic module (sdm) (beneath lower console) Inflatable restraint steering wheel module (in steering column) Inflatable restraint steering wheel module coil (mounted to steering wheel) J310 Lh asf sig Lh asf volt Lh asf-hi Lh asf-lo Lh belt sw Lh pretens-hi Lh pretens-lo Lh sens sig Lh sens volt Nca Off Passenger seat belt indicator Passenger seat belt pretensioner (at right inner "b" pillar) Pin shorting bars engaged Pnk Red Rh asf sig Rh asf volt Rh asf-hi Rh asf-lo Rh belt sw Rh pretens-hi Rh pretens-lo Rh sens sig Rh sens volt Serial data Serial data link Shorting bar Sir fuse 27 10a Stage 1 Stage 1-hi ctrl Stage 1-lo ctrl Stage 2 Stage 2-hi Stage 2-lo Tan Underhood fuse block (above left front wheelwell) When module connector is disconnected from harness (shorting bars are connected between pins: 4-5, 8-9, 16-17, 18-19, 6-7, 10-11, 12-13 & 14-15) X200 Supplemental Restraints Wiring Diagram (2 of 2) for Hummer H3T 2010 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Hummer H3T 2010: 46 (behind right front kick panel) body control module (in body harness, approximately 13 cm right of breakout to g310) (w/ head curtain air bag) j323 (left side of dash) data link connector (dlc) (mounted under left side of passenger seat) g310 (upper left "b" pillar) A39 x2 A42 x1 Air bag ind Driver seat belt switch (part of seat belt buckle (driver)) G310 (mounted under left side of passenger seat) Gnd Ign Ign volt Ignition volt Inflatable restraint front passenger presence system (pps) module (on underside of cushion) Inflatable restraint front passenger presence system (pps) sensor (in front passenger seat cushion) Inflatable restraint vehicle rollover sensor (w/ roof) (under center console) Instrument panel cluster (ipc) Ipc class 2 serial data J310 Left inflatable restraint front end sensor (left lower radiator support) Left inflatable restraint roof rail module (w/ roof) Left inflatable restraint side impact sensor (sis) (w/ roof) (in left front door) Logic Low ref Nca Off ind On ind Passenger seat belt buckle Pnk Press sig Red Right inflatable restraint front end sensor (right lower radiator support) Right inflatable restraint roof rail module (w/ roof) (upper right "b" pillar) Right inflatable restraint side impact sensor (sis) (w/ roof) (in right front door) Seat belt ind Serial Shorting bar Tan Tension sig Volt ref X115 X2 a38 X315 X500 X600
TRANSMISSION A/T Wiring Diagram for Hummer H3T 2010 List of elements for A/T Wiring Diagram for Hummer H3T 2010: 57 1-2 shift sol vlv ctrl 1-2 shift solenoid (ss) valve 2-3 shift sol vlv ctrl 2-3 shift solenoid (ss) valve Acc Air pump rly (3.7l) tcm (5.3l) fuse 17 10a Automatic transmission Automatic transmission fluid temperature (tft) sensor Automatic transmission input shaft speed sensor (iss) Computer data lines system Data bus + hi spd ser Data bus - hi spd ser Engine control module (ecm) (right rear corner of engine compt) Exterior lights system G102 (3.7l: on lower left side of engine block, rearward of g103) (5.3l: on engine block, below left cylinder head) Gnd Hi spd serial data + Hi spd serial data - Hot at all times Hot in on or start Ign volt Ignition switch In shaft spd sens sig J133 J207 Lo ref Lock Park/neutrol position (pnp) switch Pc sol valve hi ctrl Pc sol valve lo ctrl Pnk Power distribution system Pressure control (pc) solenoid valve Red Run Start Start sw sig pnp/clutch Stop lamp ctrl Tan Tcc pwm sol vlv ctrl Tcc sol vlv ctrl Tcm pwr fuse 26 10a Tft sens sig Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve Torque converter clutch (tcc) solenoid valve Trans fuse 34 10a Trans range sw p Trans range sw sig a Trans range sw sig b Trans range sw sig c Transmission control module (tcm) Underhood fuse block (above left front wheelwell) Vehicle speed sensor (vss) (left rear of transfer case) Vss hi sig Vss lo sig X102 X125 Transfer Case Wiring Diagram for Hummer H3T 2010 List of elements for Transfer Case Wiring Diagram for Hummer H3T 2010: 68 (on right inner front wheelwell) g106 4 hi 4 hi ind 4 hi lock 4 hi lock ind 4 lo ind 4 lo lock 4 lo lock ind 4wd ind 4wd lo sig 5 volt ref 5v ref A encoder sig A6 x204 B encoder sig B10 B11 B12 Body control module (bcm) (behind right front kick panel) C encoder sig Computer data lines system Ctrl ign rly Diff lock Diff lock ind ctrl Differential lock ind Differential lock switch Driver information center (dic) display Engine control module (ecm) (right rear corner of engine compt) Front differential lock actuator (if equipped) Frt diff lk hi ctrl Frt diff lk ind ctrl Frt diff lk sw sig Gnd Hot at all times Hvac relay 87 I/p multi-funition switch Instrument panel cluster (ipc) Lo ref Locking Logic Low sig 4wd Motor ctrl a Motor ctrl b Nca Neutral ind Neutral ind ctrl P encoder sig Pnk Rear differential lock actuator (mounted to center of rear axle) Red Red e Rr diff lock hi ctrl Serial data Switch sig Tccm fuse 12 30a Tccm sw fuse 58 10a Transfer case encoder motor (part of transfer case) Transfer case shift control module (behind glove box) Underhood fuse block (above left front wheelwell) Up shift ind W/ front differential W/ front differential locking X1 a26 X102 X150 X200 X202 X204
WARNING SYSTEMS Warning Systems Wiring Diagram for Hummer H3T 2010 List of elements for Warning Systems Wiring Diagram for Hummer H3T 2010: 88 (in body harness, approximately 42 cm rearward of breakout to right seat belt pretensioner) (suv) j347 A10 A14 A26 A31 A32 A38 A39 A41 A42 A44 Acc Anti-theft system Auto B7 x200 Batt ign switch fuse 5 10a Battery Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Brake fluid level switch (on left side of brake fluid reservoir) Brake ind Brk fluid lvl sens Chime Class 2 serial data Computer data lines system Driver door ajar switch (in lower left "b" pillar) Driver information center (dic) display Driver seat belt buckle Driver seat belt switch Electronic brake control module (ebcm) (left of master cylinder) G105 (on left inner front wheelwell, behind battery) G300 (under driver seat carpet, on floor board) G310 (mounted under left side of passenger seat) G320 (under rear of middle console carpet, on floor board) Head Headlamp switch Hot at all times Hot w/ run/crnk relay 78 energized I/p multi- function switch Ignition switch Ignition voltage Inflatable restraint sensing & diagnostic module (sdm) (beneath lower console) Instrument panel cluster (ipc) J110 J300 J310 J320 Key-in switch Left rear door ajar switch (in lower left "c" pillar) Left seat belt sw Left turn ind Lf door ajar Logic Low oil pressure ind Low ref Lr door ajar Lr turn sig lamp ctrl Nca Off Park Park brake sw sig Park brake switch (left lower side of dash) Passenger door ajar switch (in lower right "b" pillar) Passenger seat belt buckle Passenger seat belt ind Passenger seat belt switch Pk lmp sw sig Pnk Red Rf door ajar Right rear door ajar switch (in lower right "c" pillar) Right seat belt sw Right turn ind Rr door ajar Rr turn sig lamp ctrl Run Seat belt ind Seat belt ind ctrl Sir fuse 27 10a Start Suv System equipment) Tire pressure ind Truck Underhood fuse block (above left front wheelwell) X201 X308 X320
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Hummer H3T 2010 List of elements for Front Wiper/Washer Wiring Diagram for Hummer H3T 2010: 31 87a A20 Body control module (behind right front kick panel) Frt/wpr fuse 6 25a G105 (on left inner front wheelwell, behind battery) G106 (on right inner front wheelwell) Hi/low wpr relay 73 Hot at all times J143 J210 Mist Nca Off On/off wpr relay 72 Park out Rap relay coil control Rap/accy relay 88 Red S/roof frt/wpr pump fuse 9 15a Turn signal/ multi-function switch Underhood fuse block (above left front wheelwell) Windshield washer fluid pump (mounted on fluid reservoir) Windshield washer pump control Windshield wiper motor (under center of front cowling) Windshield wiper motor park switch signal Windshield wiper switch signal 1 Windshield wiper switch signal 2 Windshield wiper/ washer switch Wiper diode X200 X201 Rear Wiper/Washer Wiring Diagram for Hummer H3T 2010 List of elements for Rear Wiper/Washer Wiring Diagram for Hummer H3T 2010: 33 (center of endgate) rear window wiper motor (in body harness right kick panel area, approximately 3 cm rearward of breakout to bcm) (w/ spo dvd 1) j270 Accy voltage Body control module (behind right front kick panel) G106 (on right inner front wheelwell) G350 (suv: behind left rear quarter trim, near wheelwell) (truck: base of right "c" pillar) Ground Hot at all times Ill Interior lights system J205 J292 J900 Logic Low Off Rap relay coil control Rap/accy relay 88 Rear window washer fluid pump (in right rear engine compt area) Rear window wiper/ washer switch Rear wpr sw/pump fuse 16 15a Rear/wpr mtr fuse 15 15a Underhood fuse block (above left front wheelwell) Wash Washer switch signal Wiper control motor Wiper delay 1 signal Wiper delay 2 signal Wiper motor X200 X204 X450
