Diagram sections — 28 (59 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES 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 H3 2006 List of elements for Compressor Wiring Diagram for Hummer H3 2006: 26 (in hvac harness) s250 5v ref A/c clutch diode 90 A/c clutch relay A/c compressor clutch A/c refrigerant pressure sensor (on high pressure hose connection to compressor) A/c req sig A/c system (manual a/c circuit) A41 A42 A43 Body control module (behind right front kick panel) Computer data lines system Evap temp sig Evaporator temperature sensor (behind right lower dash) G103 (lower left side of engine) Hot at all times Hot w/ run/ crank relay energized Hvac control module (behind radio) Logic Low ref Powertrain control module (pcm) (at left front side of engine compt) Press sens sig Rly ctrl Serial data Underhood fuse block (above left front wheel well) Manual A/C Wiring Diagram (1 of 2) for Hummer H3 2006 List of elements for Manual A/C Wiring Diagram (1 of 2) for Hummer H3 2006: 44 5v ref A/c req sig A26 A41 A42 A43 Air temp a Blower motor (below right side of dash) Blower motor resistor assembly (on rear of hvac case) Blower motor switch Body control module (behind right front kick panel) Computer data lines system Evap temp sig G106 (on right inner front wheel well) G300 (under driver seat carpet) Grd High High speed blower motor Hot at all times Hvac blwr fuse 82 30a Hvac cntrl hd fuse 59 10a Hvac control module (beneath radio) Hvac relay Ign 3 relay Ign 3 volt Ign 3 voltage L air temp b L air temp sig Logic Low Mode door b Mode door sig Off R air temp b R air temp sig Rdo fuse 13 10a Recirc a Recirc b S205 S206 S251 Serial data Tan Underhood fuse block (left front side of engine compt) Manual A/C Wiring Diagram (2 of 2) for Hummer H3 2006 List of elements for Manual A/C Wiring Diagram (2 of 2) for Hummer H3 2006: 31 (in hvac harness) (in hvac harness) s240 (in hvac harness) s250 (in hvac harness) s260 (not used) 5v ref A/c clutch diode 90 A/c clutch relay A/c compressor clutch A/c refrigerant pressure sensor (on high pressure hose connection to compressor) Computer data lines system Engine coolant temperature (ect) sensor (on left rear of engine) Evaporator temperature sensor (behind right lower dash) G103 (lower left side of engine) Hot at all times Hot w/ run/ crank relay energized Left air temperature actuator (left side of hvac module assembly) Logic Low ref Mode actuator (on side of heater box) Nca Powertrain control module (pcm) (at left front side of engine compt) Press sens sig Recirculation actuator (upper right conrner of heater case) Right air temperature actuator (left side of hvac module assembly) Rly ctrl S230 Sens sig Serial data Tan Underhood fuse block (above left front wheel well)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Hummer H3 2006 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Hummer H3 2006: 50 (below driver seat) (w/o active brakes) longitudinal accelerometer sensor (on left inner front wheel well) g105 5v ref Abs/vses fuse 29 10a Abs/vses1 -sol -mtr fuse 67 40a Abs/vses2 -mtr -sol fuse 64 30a Batt + Bkup volt Brake fluid level switch (on left side of brake fluid reservoir) Brk fld sig Can h Can l Dlvrd torq sig Early prod late prod Electronic brake control module (ebcm) (left of master cylinder) Exterior lights system G105 (on left inner front wheel well) Grd Hot at all times Hot run/crnk relay energized Ign 1 volt Ign 3 volt Las sig Left front wheel speed sensor (on left front wheel hub) Left rear wheel speed sensor (on 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 (on right front wheel hub) Right rear wheel speed sensor (on right side or rear axle) Rr spd low ref Rr spd sig S110 S215 (in body harness) Serial class 2 Steering pos sig Steering sig a Steering sig b Stop fuse 1 20a Stop lamp switch (above brake pedal assembly) Stop lp volt Tan Underhood fuse block (above left front wheel well) Anti-lock Brakes Wiring Diagram (2 of 2) for Hummer H3 2006 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Hummer H3 2006: 39 A17 A31 A37 A38 A39 A41 Abs ind Accessory switch Body control module (bcm) Brake ind Can h Can l Class 2 (ebcm) Class 2 serial data Data link connector (dlc) (left side of dash) Delivered torque signal G106 (on right inner front wheel well) G300 (under driver seat) Grd Hot hvac relay energized Ign Ign 3 volt Instrument panel cluster Interior lights system Logic Park brake switch (lower left side of dash) Park brk sw sig Powertrain control module (pcm) (right rear corner of engine compt) Requested torque signal S300 Steering pulsesig Steering sig a Steering sig b Steering wheel speed/position sensor (w/ active brakes) (near base of steering column) Stop lp volt Trac ctrl sw sig Underhood fuse block (above left front wheel well) Vses/abs fuse 52 10a Yaw rate/lateral & longitudinal accelerometer sensor (under driver seat)
ANTI-THEFT Forced Entry Wiring Diagram for Hummer H3 2006 List of elements for Forced Entry Wiring Diagram for Hummer H3 2006: 41 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 (lower right "b" pillar) Endgate ajar switch (right "d" pillar) Exterior lights system Frt trn/hazrd/ ctsy mir fuse 56 15a G300 (under driver seat carpet) G320 (under rear of middle console carpet) Gnd Headlamp rly ctrl Headlights system Horn rly ctrl Horns system Hot at all times Instrument panel cluster Lf door ajar sig Lr dr ajar sig sw Parklamp rly ctrl Passenger door ajar switch (lower right "b" pillar) Powertrain control module (left front side of engine compt) Rear trn/ hazrd fuse 20 20a Rf dr ajar sig sw Right rear door ajar switch (lower right "c" pillar) Rr dr ajar sw sig S300 S320 S347 (body harn, 42 cm rearward of breakout to right seat belt pretensioner) Security ind ctrl Security indicator Underhood fuse block (above left front wheel well) Passlock Wiring Diagram for Hummer H3 2006 List of elements for Passlock Wiring Diagram for Hummer H3 2006: 33 A14 A19 A42 A47 Acc Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Class 2 serial data Clstr fuse 19 10a Frt trn/hazrd/ ctsy mir fuse 56 15a Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel injectors G320 (under rear of middle console carpet) Gnd Hot at all times Ign key resistor sig Ignition switch Instrument panel cluster Lock Off/run/crank voltage Powertrain control module (left front side of engine compt) Rear trn/ hazrd fuse 20 20a Run S320 Security ind ctrl Security indicator Start Theft Underhood fuse block (above left front wheel well)
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Hummer H3 2006 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Hummer H3 2006: 90 (under rear of middle console carpet) g320 A/c req 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 Accessory voltage Air conditioning system Battery + Bcm fuse 14 10a Beam select rly ctrl Body control module (behind right front kick panel) Class 2 serial data Computer data lines system Courtesy lamp low ctrl Courtesy lamp pwr Courtesy lmp pwr Door locks system Door unlock ctrl Engine controls system Exterior lights system Fog lamp rly ctrl Ground Headlamp rly ctrl Headlights system Horn rly ctrl Horns system Hot at all times Ign 3 voltage Interior lights system Left trn sig lamp pwr Lf door ajar sw sig Lr door ajar sw sig Lr turn sig lamps pwr Mirrors system Park lamp power Park lamp rly ctrl Pass dr lock sw lock ctrl Power distribution system Rap rly coil ctrl Red Right trn sig lamp pwr Rr door ajar sw sig Rr turn sig lamps pwr Run/crnk voltage S320 Starting/charging system Stop lamp volt Turn/haz fr fuse 56 15a Turn/haz rr fuse 20 20a Underhood fuse block (above left front wheel well) 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 H3 2006 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Hummer H3 2006: 88 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 Accessory voltage Ambient light sens low ref Ambient light sens sig Anti-lock brakes system Anti-theft system Body control module (behind right front kick panel) Class 2 serial data Computer data lines system Courtesy lamp low ctrl Courtesy lamp pwr Dome override sw sig Exterior lights system Flash to pass sw sig Fog lamps enable Front fog lamps ind ctrl Hazard sw sig Headlamps dim sw hi beam sig Headlamps sw hi on 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 Ignition switch Int lamp sw sig Interior lights system Key-in switch Low ref Off Off/run/crnk voltage Onstar voice sig Park lamps rly ctrl Red Run Run/crnk voltage Security ind lamp Shift interlock system Shift sol pwr Start Telephone system Traction ctrl sw sig Turn sig sw sig Windshield washer pmp ctrl Wiper sw sig 1 Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Hummer H3 2006 List of elements for Computer Data Lines Wiring Diagram for Hummer H3 2006: 28 (behind glove box) transfer case shift control module (on right inner front wheel well) (right side of dash) digital radio receiver (under driver seat) A38 A39 A41 A42 A44 A47 Aux pwr 1 fuse 51 20a Auxiliary power outlet front 1 Body control module (bcm) (behind right front kick panel) Class 2 serial data Class 2 serial data c2 Data link connector (left side of dash) Electronic brake control module (left of master cylinder) G106 G300 Hot at all times Inflatable restraint sensing & diagnostic module (on underside of cushion) Instrument panel cluster Powertrain control module (at left front of engine compt) Radio S205 S251 Underhood fuse block (above left front wheel well) Vehicle communication interface module (center of dash below hvac control head)
CRUISE CONTROL Cruise Control Wiring Diagram for Hummer H3 2006 List of elements for Cruise Control Wiring Diagram for Hummer H3 2006: 41 5 volt reference Class 2 serial data Cluster fuse 19 10a Clutch switch (if equipped) (top of clutch pedal assembly) Coast Computer data lines system Cpp switch signal Cruise control switch Cruise indicator Cruise/misc fuse 35 10a G105 (on left inner front wheel well) Hot at all times Hot in run or start Ignition Instrument panel cluster (ipc) Logic Low reference Pnk Power distribution system Powertrain control module (pcm) (at left front side of engine compt) Resume/ accel Run/crank relay S215 (body harness, 14 cm to right of stop lamp switch breakout in main harness) Set/ Stop fuse 54 15a Stop lamp switch (above brake pedal assembly) Tac motor control-1 Tac motor control-2 Tcc brake switch/cruise control release signal Tcc brake/cruise release switch (above brake pedal assembly) Throttle actuator control (tac) motor Throttle body Throttle position (tp) sens 1 Throttle position (tp) sens 2 Tp sensor 1 signal Tp sensor 2 signal Turn signal/multifunction switch Underhood fuse block (above left front wheel well) Vehicle speed sensor (vss) (left rear of transfer case) Vss high signal Vss low signal
DEFOGGERS Defoggers Wiring Diagram for Hummer H3 2006 List of elements for Defoggers Wiring Diagram for Hummer H3 2006: 25 (left inner front wheel well, behind battery) A c1 A c2 A10 A24 A32 Body control module (behind right front kick panel) Defogger indicator G105 G300 (under driver seat carpet) G350 (behind left rear quarter trim, near wheel well) Hot at all times Hvac control module (in center of dash) Logic R/wdo defg fuse 30 20a Rear defog ind sply voltage Rear defog switch sig Rear defogger switch Rear window defogger Relay cntrl Rr defog relay S251 S900 Tan Underhood fuse block (above left front wheel well)
ENGINE PERFORMANCE
3.5L VIN 6 3.5L VIN 6, Engine Performance Wiring Diagram (1 of 5) for Hummer H3 2006 List of elements for 3.5L VIN 6, Engine Performance Wiring Diagram (1 of 5) for Hummer H3 2006: 57 (behind glove box) transfer case shift control module (chassis harness, approx 22.5 cm (8.9 in) from fuel pump & sender assembly conn) (in body harn, approx 14 cm (5.5 in) to right of stop lamp switch breakout in main harn) 4wd lo sw A/c comp rly A/c press A/c refrigerant pressure sensor (on high pressure hose connection to compressor) Accelerator pedal position (app) sensor (on accelerator pedal bracket) Accy voltage Air conditioning system App 1 +5v ref App 1 low ref App 2 +5v ref App 2 low ref App sens 1 App sens 2 Arp +5v ref Arp low ref Battery b+ Class 2 data Clstr fuse 19 10a Cnstr vent fuse 31 10a Computer data lines system Cpp sw sig Cruise control system Cruise ctrls Diag enable Evap vent sol Evaporative emission (evap) canister vent solenoid (above spare tire) Exterior lights system Ftp +5v ref Fuel lvl sens Fuel pump rly Fuel tank press Fuel tank pressure (ftp) sensor (top of fuel pump & sender assembly) Hot at all times Hot in run & start Ignition 1 Instrument panel cluster Low ref Malfunction indicator lamp (mil) Mil ctrl Pcm 1 fuse 21 10a Pcm b fuse 30 10a Pnk Pnp/clutch sig Powertrain control module (pcm) (left front side of engine compt) S215 S359 Starter rly Starting/ charging system Stop fuse 54 15a Stop lamp Stop lamp switch (above brake pedal assembly) Tan Tcc brk sw Underhood fuse block (above left front wheel well) 3.5L VIN 6, Engine Performance Wiring Diagram (2 of 5) for Hummer H3 2006 List of elements for 3.5L VIN 6, Engine Performance Wiring Diagram (2 of 5) for Hummer H3 2006: 25 (on left inner front wheel well, behind battery) Acc Accy input Accy output Body control module (bcm) (behind right front kick panel) Electronic brake control module (ebcm) (left of master cylinder) c2 Etc fuse 46 15a Fuel pmp fuse 3 15a Fuel pump & sender assembly (top of fuel tank) Fuel pump relay G105 G420 (mounted to left side of rear crossmember) Heated oxygen sensor (ho2s) 1 (on exhaust manifold, on right side of engine) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, adjacent to transmission) Hot at all times Ignition switch Lock Nca O2 snsr fuse 47 10a Off Pnk Pwr/ trn relay Run Start Underhood fuse block (above left front wheel well) 3.5L VIN 6, Engine Performance Wiring Diagram (3 of 5) for Hummer H3 2006 List of elements for 3.5L VIN 6, Engine Performance Wiring Diagram (3 of 5) for Hummer H3 2006: 38 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Del torque Engine oil pressure (eop) switch (above oil filter) Evap purge Fluid temp sensor Ho2s 2 hi Ho2s 2 htr Ho2s 2 low Low oil sw Low ref Oil press Park/neutral position (pnp) switch (left side of automatic transmission) Pc sol Pnk Powertrain control module (pcm) (left front side of engine compt) Pressure control solenoid Red Req torque Rev S133 Tan Tcc pwm sol Tcc sol Tfp sw a Tfp sw b Tfp sw c Tft sens Tr sw a Tr sw b Tr sw c Tr sw p Vehicle speed sensor (vss) (left rear of transfer case) Vss sig hi Vss sig low 3.5L VIN 6, Engine Performance Wiring Diagram (4 of 5) for Hummer H3 2006 List of elements for 3.5L VIN 6, Engine Performance Wiring Diagram (4 of 5) for Hummer H3 2006: 22 (above left front wheel well) underhood fuse block Control Eng cntrl sys fuse 22 15a Evaporative emission (evap) canister purge solenoid (below intake, in back of alternator) G102 (lower left side of engine, rearward of g103) G103 (lower left side of engine, forward of g102) Ground Hot in run & start Iat Ign fuse 33 15a Ignition Ignition coils (in center front of cam cover) Inj fuse 23 15a Intake air temperature (iat)/ mass air flow (maf) sensor (between air cleaner and throttle body) Maf Nca Plug Pnk Spark plug Tan Trans fuse 34 10a Underhood fuse block (above left front wheel well) 3.5L VIN 6, Engine Performance Wiring Diagram (5 of 5) for Hummer H3 2006 List of elements for 3.5L VIN 6, Engine Performance Wiring Diagram (5 of 5) for Hummer H3 2006: 63 (left rear of engine block, below starter) crankshaft position (ckp) sensor (lower left side of engine, rearward of g103) g102 (top left front of engine) camshaft position (cmp) (exhaust) (top right front of engine) camshaft position (cmp) (intake) (top right side rear of engine, on intake manifold) manifold absolute pressure (map) sensor Camshaft position (cmp) actuator solenoid bank 1 exhaust (right front of cylinder head) Ckp low ref Ckp sig Cmp 1 sig Cmp 2 sig Cmp1 +12v ref Cmp1 low ref Cmp2 +12v ref Cmp2 low ref Cpa +5v ref Cpa low ref Ect low ref Ect sens Engine coolant temperature (ect) sensor (top rear center of engine) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel injectors (attached to fuel rail) Gen field Gen turn-on Generator Ground Ho2s 1 high Ho2s 1 htr Ho2s 1 low Iat low ref Iat sens Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Knock sens Knock sensor (ks) (below intake manifold, near front of engine) Ks 1 low ref Maf sens Map +5v ref Map low ref Map sens Nca Pnk Pnk a Powertrain control module (pcm) (left front side of engine compt) Red S103 (engine compt harn, near grille lamps relay, by master cylinder) Tac mtr 1 Tac mtr 2 Tan Throttle body Tp 1 +5v ref Tp 1 low ref Tp 2 +5v ref Tp 2 low ref Tp sens 1 Tp sens 2 Underhood fuse block (above left front wheel well)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Hummer H3 2006 List of elements for Back-up Lamps Wiring Diagram for Hummer H3 2006: 22 A nca A/t Backup fuse 28 15a Backup lamp switch (on top of transmission) Electronic brake control module (ebcm) G105 (on left inner front wheel well) G340 (behind right rear quarter trim) G350 (behind left rear quarter trim) Harness) s224 Hot at all times Hot in run or start Inside rearview mirror Left backup lamp M/t Nca Park/neutral position (pnp) switch (left side of automatic transmission) Pnk Right backup lamp Run/ crank relay 78 S314 S315 Underhood fuse block (above left front wheel well) Exterior Lamps Wiring Diagram (1 of 3) for Hummer H3 2006 List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Hummer H3 2006: 48 (dealer installed) A10 A19 A24 A26 A37 A45 A48 Auto Body control module (behind right front kick panel) Bulb out Center high mounted stop lamp (chmsl) Frt turn/ haz/ctsy mir fuse 56 15a Frt/prk fuse 43 10a G105 (on left inner front wheel well) G106 (on right inner front wheel well) G350 (behind left rear quarter trim) Haz sw sig Hazard switch Headlamp switch Hot at all times Left Left front marker lamp Left front park/ turn signal lamp Low ref Lr prk lp Off Park Park lamp relay 89 Prk lmp rly Prk lmp sw Rap rly cntrl Rear turn/ haz fuse 20 20a Red Right Right front marker lamp Right front park/ turn signal lamp S109 S185 S205 S900 Stop fuse 54 15a Stoplamp switch (top of brake pedal assembly) Stp lp volt To lr prk fuse 37 (diagram 2 0f 2) Trn sig sw Turn signal/ multi-function switch Underhood fuse block (above left front wheel well) Exterior Lamps Wiring Diagram (2 of 3) for Hummer H3 2006 List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Hummer H3 2006: 27 (in body harness, under right door sill) s305 Electronic brake control module (ebcm) (left of master cylinder) From a frt/prk fuse 43 (diagram 1 0f 2) G105 (on left inner front wheel well) G340 (behind right rear quarter trim) G340 (mounted to left side of rear cross member) G350 (behind left rear quarter trim) Instrument panel cluster Left tail/ stop turn signal lamp Left turn ind License lamp Logic Lr prk fuse 37 10a Powertrain control module (pcm) (at left front side of engine compt) Red Right tail/ stop turn signal lamp Right turn ind Roof marker lamps (dealer installed) Rr prk fuse 49 15a S309 S314 S315 Stp lmp vlt Trlr fuse 55 10a Underhood fuse block (above left front wheel well) W/ trailer connector W/o trailer connector Exterior Lamps Wiring Diagram (3 of 3) for Hummer H3 2006 List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Hummer H3 2006: 32 (dealer installed) (in dealer installed grille lamps off road harness) s105 (in dealer installed off road harness) (in dealer installed off road harness) s302 E-brake fuse 83 30a Exterior lights system (back-up circuit) G105 (on left inner front wheel well) G106 (on right inner front wheel well) G420 (mounted to left side of rear cross member) Grille guard fuse 2 20a Grille lamps off road harness) Grille lamps relay Grille lamps switch Hot at all times Left grille lamp Off road harness) Rap/accy relay 88 Red Right grille lamp Roof lamps switch Roof lp fuse 4 20a S101 S102 (in dealer installed off road harness) S103 (in engine compt harness) S205 Spo fuse 10 10a Trailer connector Trlr b+ fuse 84 30a Trlr backup fuse 42 10a Underhood fuse block (above left front wheel well) W/ trailer connector W/o trailer connector
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Hummer H3 2006 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Hummer H3 2006: 42 A/c clutch diode A/c compressor clutch A/t Battery Brake fluid level switch Electronic brake control module (ebcm) Fog/lp relay 69 Fuel pump relay 66 G100 (left front inner fender, behind battery) G102 (lower left side of engine) G103 (lower left side of engine) G104 (left side of engine) G105 (left inner front wheel well, behind battery) G110 (left side of engine) G120 (left lower inner wheel well) Hi/lo beam relay 70 Hi/low wpr relay 73 Horn assembly Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Left front fog lamp Left front park lamp Left front park/turn signal lamp Mass air flow (maf)/ intake air temperature (iat) sensor On/off wpr relay 72 Park/ neutral position (pnp) switch Powertrain control module (pcm) Right front fog lamp Right front marker lamp Right front park/turn signal lamp Rr defog relay 71 Run/ crank relay 78 S110 (body harn near ebcm, 7.5cm from ebcm) S185 (forward lamp harn, 25cm from c115) S210 (body harn, 16cm before left front tweeter breakout) Sunroof motor Sunroof switch Underhood fuse block (above left front wheel well) Wind- shield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Hummer H3 2006 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Hummer H3 2006: 40 Automatic transmission floor shift control Center high mounted stop lamp (chmsl) Driver door lock & window switch Driver lumbar adjuster/ heater switch Driver seat adjuster switch Driver seat back heater element Fuel pump & sender assembly G340 (behind right rear quarter trim) G345 (behind left rear quarter trim, near wheel well) G350 (behind left rear quarter trim, near wheel well) G420 (left side of rear cross member) Left backup lamp Left rear door window switch Left tail/ stop & turn signal lamp License lamp Nca Outside rearview mirror switch Passenger door lock & window switch Passenger heated seat module Passenger lumbar adjuster/ heater switch Passenger seat adjuster switch Passenger seat back heater element Passenger seat cushion heater element Rear auxiliary power outlet Rear window defogger Rear window wiper motor Right backup lamp Right rear door lock & window switch Right tail/ stop & turn signal lamp S306 (driver seat harn, in breakout to lumbar adjuster/heater switch) S314 (body harn, 44.5cm rearward of breakout to left seat belt pretensioner) S315 (body harn, 47cm rearward of breakout to right seat belt pretensioner) S316 (passenger seat harn, 5cm before breakout to seat adjuster & lumbar adjuster/heater switches) S317 (passenger seat heater element jumper harness) S318 (passenger seat heater element jumper harness) S514 (driver door harn, 6.5cm before breakouts to door lock & window switch) S900 (endgate harn, 19.5cm rearward of endgate grommet) Trailer connector W/ hd truck trailer wiring W/o hd truck trailer wiring Ground Distribution Wiring Diagram (3 of 3) for Hummer H3 2006 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Hummer H3 2006: 51 A12 Accessory switch Audio amplifier B10 Body control module (bcm) Cigar lighter Convenience package decor level 3 Data link connector (dlc) Digital radio receiver Dome/ reading lamp Driver door ajar switch Endgate ajar switch Exc convenience package decor level 3 Foot well lamp) Front auxiliary power outlet G106 (right inner front wheel well, behind battery) G300 (under driver seat carpet) G310 (under left side of passenger seat) G320 (under rear of middle console carpet) Garage door opener Hazard switch Headlamp dimmer switch High speed blower motor relay Hvac control module Ignition lock cylinder control actuator Inflatable restraint passenger presense module Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint vehicle rollover sensor Inside rearview mirror Instrument panel cluster Left rear door ajar switch Left seat belt switch Left vanity mirror lamp Passenger door ajar switch Pnk Radio Rear window wiper/washer switch Right rear door ajar switch Right seat belt switch Right vanity mirror lamp S205 (i/p harn, 5cm right of breakout to left footwell lamp) S206 (i/p harn, 5cm right of breakout to right footwell lamp) S300 (body harn, 20cm forward forward of left rocker channel cover) S320 (body harn rear seat area along sill, 20cm rearward of breakout to g320) S340 (dome lamp jumper harn, 10cm before breakout to right sunshade) Steering wheel position sensor Transfer case control module Turn signal/ multifunction switch Vehicle communication interface module (vcim) Windshield washer fluid pump Yaw rate/ lateral & longitudinal accelerometer sensor
HEADLIGHTS Headlights Wiring Diagram for Hummer H3 2006 List of elements for Headlights Wiring Diagram for Hummer H3 2006: 60 A10 A11 A18 A31 A37 A39 A43 Ambient light sensor Ambient lt sens Auto B10 Bm sel rly ctrl Body control module (behind right front kick panel) Class 2 data Class 2 ser data Class 2 serial data Drl ind Flash to pass Fog lmp ind Fog lp fuse 24 15a Fog lp relay Fog lp rly ctrl Fog lp sw sig Front fog lamp ind Front fog lamp switch G105 (on left inner front wheel well) G106 (on right inner front wheel well) Hdlp dim sw sig Hdlp off sig Hdlp on sig Hdlp relay Hdlp rly ctrl Headlamp & panel dimmer switch Headlamp dimmer switch Hi/lo beam relay 70 High beam High beam ind Hot at all times Ign Instrument panel cluster Left front fog lamp Left head- lamp Lh hdlp fuse 41 10a Low ref Off Park Park brake switch (left lower side of dash) Pk brake sig Pnk Red Rh hdlp fuse 40 10a Right front fog lamp Right head- lamp S112 S120 S134 S185 S205 Turn signal/ multifunction switch Underhood fuse block (above left front wheel well)
HORN Horn Wiring Diagram for Hummer H3 2006 List of elements for Horn Wiring Diagram for Hummer H3 2006: 17 A25 A40 Body control module (behind right front kick panel) G105 (on inner front wheel well, behind battery) Horn (front of vehicle, above grill) Horn contact Horn contact in Horn fuse 36 10a Horn relay 74 Horn rly cntrl Hot at all times Nca S185 Turn signal cancel cam Turn signal/ multifunction switch Underhood fuse block (above left front Wheel well)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Hummer H3 2006 List of elements for Instrument Cluster Wiring Diagram for Hummer H3 2006: 83 (chassis harn, approx 22.5 cm (8.9 in) from fuel pump & sender assembly conn) (left front side of engine compt) powertrain control module (pcm) (under driver seat carpet, on floor board) g300 A19 A31 A38 A39 A41 A42 A44 A47 Abs ind Accesory switch Air bag ind B nca Battery Battery ind Body control module (behind right front kick panel) Brake fluid level switch (on left side of brake fluid reservoir) Brake ind Brk fluid lvl Chime Clstr fuse 19 10a Computer data lines system Coolant temp Cruise ind Dr belt sw Driver seat belt switch Ect sense Electronic brake control module (left of master cylinder) Engine controls system Engine coolant Engine oil pressure (eop) switch (above oil filter) Fuel Fuel level Fuel pump & sender assembly (top of fuel tank) G105 (on left inner front wheel well, behind battery G106 (on right inner front wheel well, behind battery G310 (mounted under left side of passenger seat) Ground High beam ind Hot at all times Illumination (4 bulbs) Inflatable restraint sensing/diagnostic module (beneath lower console) Instrument panel cluster L turn ind Left turn ind Low ref Mil Nca Odometer Oil Oil press Oil pressure ind Park brake switch (lower left side of dash) Passenger seat belt ind Passenger seat belt switch Pnk Prk brk sw Prnd321 R turn ind Red Right turn ind S110 S205 S251 S310 S359 Seat belt ind Security ind Security/ctd ind Serial data Service engine soon ind Speedo- meter Stability control ind Tacho- meter Temperature (ect) sensor (top rear center of engine) Tpm ind Trip Trip reset Underhood fuse block (above left front wheel well) Up shift ind (m/t) Volts
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Hummer H3 2006 List of elements for Courtesy Lamps Wiring Diagram for Hummer H3 2006: 62 A10 A11 A12 A24 A30 A32 A38 A39 A40 A41 A44 A46 A47 Battery Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Dome lamp Dome lp sw Dome on switch Dome override switch Dome/ reading lamps Driver door ajar switch Driver door lock & window switch Endgate ajar switch Fr/prk fuse 43 10a Front passenger door ajar switch Front passenger door lock & window switch G106 (on right inner front wheel well) G300 (under driver seat) G320 (under rear of middle console carpet) G340 (behind right rear quarter trim) G350 (behind left rear quarter trim) Headlamp switch Hot at all times Left courtesy footwell lamp Left rear door ajar switch Left rear window switch Left sunshade Lf door ajar Low ref Lr door ajar Override sw Pk lp ctrl Prk/lp relay Rf door ajar Right courtesy footwell lamp Right rear door ajar switch Right rear window switch Right sunshade Rr door ajar S209 S300 S314 S315 S317 S320 S330 S340 S350 S514 Underhood fuse block (above left front wheel well) Vanity mirror Instrument Illumination Wiring Diagram for Hummer H3 2006 List of elements for Instrument Illumination Wiring Diagram for Hummer H3 2006: 48 (5 bulbs) (not used) (w/ sunroof) (w/o sunroof) A10 A24 A27 A28 A29 A30 A33 A34 A36 A48 Accessory switch Battery Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Dim control Driver door lock & window switch Fr/prk fuse 43 10a Front passenger door lock & window switch G105 (on left inner front wheel well) G106 (on right inner front wheel well) G340 (behind right rear quarter trim) G350 (behind left rear quarter trim) Hazard switch Headlamp switch Hot at all times Hvac control module Illum Instrument panel lamps dimming control Left rear window switch Low ref Lr/prk fuse 37 10a Pk lp ctrl Prk/lp relay Radio Rear window wiper/washer switch Right rear window switch S205 S209 S210 S314 S315 S514 Sunroof switch Underhood fuse block (above left front wheel well)
NAVIGATION Navigation Wiring Diagram for Hummer H3 2006 List of elements for Navigation Wiring Diagram for Hummer H3 2006: 16 A12 Coax Computer data lines system Engine controls system G300 (under driver seat carpet, on floor board) Global positioning system (gps) antenna Ground Hot at all times Navi antenna Radio Rdo fuse 13 10a S214 S251 Serial data Underhood fuse block (above wheel well) left front Veh speed sen
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Hummer H3 2006 List of elements for Power Distribution Wiring Diagram (1 of 4) for Hummer H3 2006: 84 (behind right rear quarter trim) g340 (in i/p harness) s214 (not used) (on left front side of engine compartment) underhood fuse block (right inner front wheel well) g106 A/t floor shift control Abs/vses1 -sol -mtr fuse 67 40a Abs/vses2 -mtr -sol fuse 64 30a Amp fuse 38 25a Aux pwr 1 fuse 51 20a Aux pwr 2 fuse 45 20a Battery Bcm fuse 10a Body control module C201 Can vent fuse 31 10a Cluster fuse 19 10a Data link connector (dlc) Digital radio receiver Diode Driver door lock & window switch Driver seat cushion heater element E-brake fuse 83 30a Early prod late prod Electronic brake control module Evaporative emission (evap) canister vent solenoid valve From b aux pwr 1 fuse 51 (diagram 1 of 4) From c turn/ haz rr fuse 20 (diagram 1 of 4) Front 1 auxiliary power outlet Front 2 auxiliary power outlet Generator Grille lamps relay (dealer installed) Htd/seat fuse 1 20a Hvac control module Hvac relay Instrument panel cluster (ipc) Left window switch Lt pwr wndw fuse 68 30a Megafuse fuse 91 125a Nca Passenger door lock & window switch Passenger heated seat module Pcm b fuse 25 10a Pcm cntrl relay Powertrain control module (pcm) Pwr s/roof fuse 57 30a Pwr/ lock fuse 8 20a Radio Radio fuse 13 10a Rap/ accy relay Rear auxiliary power outlet Rear window washer switch Rear window wiper/ washer module Rear window wiper/ washer switch Rear wpr mtr fuse 15 15a Rear wpr sw/pump fuse 16 15a Red Right window switch Rt pwr wndw fuse 63 30a S/roof frt/wpr fuse 9 15a S205 S243 (in body harness) S319 (passenger heater element harness) Sdars fuse 50 10a Spo fuse 10 10a Start fuse 30a Starter Stop fuse 54 15a Stop lamp switch Sunroof module Sunroof motor Tccm fuse 12 30a To onstar fuse (diagram 4 of 4) To powertrain relay 81 (diagram 2 of 4) To pwr/ lock fuse 8 (diagram 1 of 4) To rap/accy relay 88 (diagram 1 of 4) Trailer connector Transfer case shift control module (4wd) Trlr b+ fuse 84 30a Turn signal/multi- function switch Turn/ haz fr fuse 56 15a Turn/ haz rr fuse 20 20a Underhood fuse block (on left front side of engine compartment) Windshield wiper/washer switch Power Distribution Wiring Diagram (2 of 4) for Hummer H3 2006 List of elements for Power Distribution Wiring Diagram (2 of 4) for Hummer H3 2006: 44 (automatic transmission harness) s133 (driver seat harness, 28.5 cm back from c307) s312 (in passenger seat harness) s341 1-2 shift solenoid (1-2 ss) valve 2-3 shift solenoid (2-3 ss) valve 3-2 shift solenoid (3-2 ss) valve A/t Accessory switch Airbag fuse 27 10a Clutch switch (m/t) Cruise/misc fuse 35 10a Driver lumbar adjuster/ heater switch Driver seat adjuster switch Fog/lp relay 69 From fuel e pump relay 66 (diagram 2 of 4) From rap/ d accy relay 88 (diagram 1 of 4) Frt/wiper fuse 25a Fuel/ pump relay G105 (on right inner front wheel well) Hdlp relay Horn relay 74 Inflatable restraint front passenger presence system (pps) sensor Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint vehicle pollover sensor Inside rearview mirror On/off wiper relay 72 Passenger lumbar adjuster/ heater switch Passenger seat adjuster switch Pnk Powertrain relay Pwr/seat fuse 61 40a Red Run/ crank relay Seat circuit breaker 20a Tcc brake/ cruise release switch To air compressor fuse 11 (diagram 3 of 4) To backup fuse 28 (diagram 3 of 4) To body control module (diagram 4 of 4) To run/ crank relay 78 (diagram 2 of 4) Torque converter clutch (tcc) solenoid valve Torque converter clutch pulse width modulation (tcc pwm) solenoid valve Trans fuse 34 10a Turn signal/ multifuction switch Underhood fuse block (on left front side of engine compt) Power Distribution Wiring Diagram (3 of 4) for Hummer H3 2006 List of elements for Power Distribution Wiring Diagram (3 of 4) for Hummer H3 2006: 44 (in dealer installed off road harness) s101 (in engine compt harness) s103 (not used) A/c clutch diode 90 A/c clutch fuse 48 10a A/c clutch relay A/c compressor clutch A/t Abs/vses fuse 29 10a Air cmprsr fuse 11 25a Back-up lamp switch Bak/up fuse 28 15a Clutch start switch Electronic brake control module (ebcm) Eng cntrl fuse 22 15a Evaporative emission (evap) canister purge solenoid From ign 1 i fuse 33 (diagram 3 of 4) From inj fuse 23 (diagram 3 of 4) From run/ g crank relay 78 (diagram 2 of 4) From trans f fuse 34 (diagram 2 of 4) Fuel injector Grille guard fuse 2 20a Grille guard lamps relay (dealer installed) Ign 1 fuse 33 15a Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Injector fuse 23 15a Intake air temperature (iat)/mass air flow (maf) sensor M/t Park/ neutral position (pnp) switch Pcm i fuse 21 10a Pnk Powertrain control module (pcm) Red Roof lamps relay (dealer installed) Roof lp fuse 4 20a Rr defor relay To a/c clutch relay 76 (diagram 3 of 4) To batt ign sw fuse 5 (diagram 4 of 4) To eng cntrl fuse 22 (diagram 3 of 4) Underhood fuse block (on left front side of engine compartment) Power Distribution Wiring Diagram (4 of 4) for Hummer H3 2006 List of elements for Power Distribution Wiring Diagram (4 of 4) for Hummer H3 2006: 47 (in body harness) s209 (in body harness, under left door sill palte) s309 (in forward lamp harness) s109 10a A14 A48 Acc Accessory voltage Batt ign sw fuse 5 10a Body control module (bcm) C1 b7 C2 a42 Digital radio receiver Driver door lock & window switch From battery a (diagram 1 of 4) From rr k defog relay 71 (diagram 3 of 4) From run/crank relay 78 (diagram 2 of 4) Front passenger door lock & window switch Frt/prk fuse 43 10a Ignition key resistor signal Ignition switch Key-in switch Left door lock & window switch Left front marker lamp Left front park/turn signal lamp Left tail/stop & turn signal lamp License lamp Lr prk fuse 37 10a Off Off/run/ crank voltage Onstar fuse Powertrain control module (pcm) Prk/ lp relay Red Right door lock & window switch Right front marker lamp Right front park/turn signal lamp Right tail/stop & turn signal lamp Roof marker lamps Rr prk fuse 49 10a Run Run/ crank voltage Start Trailer connector Trlr fuse 55 10a Underhood fuse block (on left front side of engine compt) Vehicle communication interface module (vcim)
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Hummer H3 2006 List of elements for Power Door Locks Wiring Diagram for Hummer H3 2006: 54 (behind right rear quarter trim, near wheel well) (body harn, 3cm to left of park brake switch breakout) (body harn, 3cm to right of park brake switch breakout) s295 (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 serial data Computer data lines system Door unlock Door unlock ctrl Driver door lock & window switch Driver door lock actuator (center rear of driver door) Driver door unlock ctrl Driver unlock relay Endgate door lock actuator (right side of endgate) Frt turn/ hazrd/ctsy mir fuse 56 15a G320 (under rear of middle console carpet, on floor board) G340 G350 (behind left rear quarter trim, near wheel well) Ground Hot at all times Left rear door lock actuator (center rear of left rear door) Lock relay Lock sw Lock switch Logic Pass door lock ctrl Passenger door lock & window switch Passenger door lock actuator (center rear of passenger door) Pwr/ lks fuse 8 20a Rear trn/ hazrd fuse 20 20a Right rear door lock actuator (center rear of right rear door) S244 (body harn, behind pass side dash, 25cm before breakout to right front door) S294 S315 S320 S514 S529 (driver door harn, 7.5cm before breakout to power window motor) Tan Underhood fuse block (above left front wheel well) Unlock relay Unlock sw Unlock switch
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Hummer H3 2006 List of elements for Electrochromic Mirror Wiring Diagram for Hummer H3 2006: 20 Ambient air temp sensor Ambient air temperature sensor (attached to front center of radiator support) C200 c4 Cruise/ misc fuse 35 10a Exterior lights system G105 (on left inner front wheel well, behind battery) G300 (under driver seat carpet, on floor board) Gnd Hot at al times Hot in run or start Ignition 1 voltage Inside rearview mirror Keypad green led sig Keypad red led sig Keypad signal Low ref Power distribution system Run/ crnk relay 78 Underhood fuse block (above left front wheel well) Vehicle communication interface module (center of dash below hvac control head) Power Mirrors Wiring Diagram for Hummer H3 2006 List of elements for Power Mirrors Wiring Diagram for Hummer H3 2006: 15 A29 Body control module (behind right front kick panel) Driver outside rearview mirror Front passenger outside rearview mirror Frt trn/hazrd fuse 37 15a G350 (behind left rear quarter trim, near wheel well) Hot at all times Left Nca Off Outside rearview mirror switch Right S514 S590 (in driver door harness, approximately 3 in before breakout to osrvm) Underhood fuse block (above left front wheel well)
POWER SEATS Driver Heated Seat Wiring Diagram for Hummer H3 2006 List of elements for Driver Heated Seat Wiring Diagram for Hummer H3 2006: 30 (driver heater element jumper harness) (driver heater element jumper harness) s324 A nca A26 B nca Body control module (behind right front kick panel) C nca Driver heated seat module Driver lumbar adjuster/ heater switch Driver seat back heater element Driver seat cushion heater element G345 (behind left rear quarter trim, near wheel well) Gnd High High/low status ind bulb Hot at all times Htd/seats fuse 1 20a Hvac relay Ign 3 voltage Low Nca Passenger heated seat circuit Pnk Pwr htr switch fuse 53 10a Red S306 S321 (driver heater element jumper harness) S322 S325 Underhood fuse block (above left front wheel well) Driver Power Seat Wiring Diagram for Hummer H3 2006 List of elements for Driver Power Seat Wiring Diagram for Hummer H3 2006: 18 25a Driver seat adjuster switch Driver seat motors Front vertical Fwd G345 (behind left rear quarter trim, near wheel well) Hot at all times Lumbar circuit M horiz- ontal Pwr/seats fuse 61 40a Rear vertical Rwd S306 S312 S341 Seat circuit breaker Tan Underhood fuse block (above left front wheel well) Lumbar Wiring Diagram for Hummer H3 2006 List of elements for Lumbar Wiring Diagram for Hummer H3 2006: 19 25a Driver lumbar adjuster/ heater switch Driver lumbar pump motor Driver power seat circuit G345 (behind left rear quarter trim, near wheel well) Hot at all times Nca Out Passenger lumbar adjuster/ heater switch Passenger lumbar pump motor Passenger power seat circuit Pnk Pwr/seats fuse 61 40a S306 S312 S316 S341 Seat circuit breaker Underhood fuse block (above left front wheel well) Passenger Power Seat Wiring Diagram for Hummer H3 2006 List of elements for Passenger Power Seat Wiring Diagram for Hummer H3 2006: 18 25a Front vertical Fwd G345 (behind left rear quarter trim, near wheel well) Hot at all times Lumbar circuit M horiz- ontal Passenger seat adjuster switch Passenger seat motors Pwr/seats fuse 61 40a Rear vertical Rwd S312 S316 S341 Seat circuit breaker Tan Underhood fuse block (above left front wheel well) Passenger"s Heated Seat Wiring Diagram for Hummer H3 2006 List of elements for Passenger"s Heated Seat Wiring Diagram for Hummer H3 2006: 36 (not used) (passenger heater element jumper harness) (passenger heater element jumper harness) s319 A nca A26 B nca Body control module (behind right front kick panel) C nca D nca Dr htd seat sw off sig Driver heated seats circuit G345 (behind left rear quarter trim, near wheel well) Gnd High High/low status ind bulb Hot at all times Htd/seats fuse 1 20a Hvac relay Ign 3 Ign 3 voltage Logic Low Nca Passenger heated seat module Passenger lumbar adjuster/ heater switch Passenger seat back heater element Passenger seat belt buckle switch Passenger seat cushion heater element Pnk Pwr htr switch fuse 53 10a Red S313 S316 S317 (passenger heater element jumper harness) S318 Underhood fuse block (above left front wheel well)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Hummer H3 2006 List of elements for Power Top/Sunroof Wiring Diagram for Hummer H3 2006: 20 Acc volt Body control module (behind right front kick panel) Closed G105 (on left inner front wheel well) Ground Hot at all times Logic Open Pwr sunroof fuse 54 30a Rap rly Rap/accy relay S210 S243 Sunroof m actuator motor Sunroof motor Sunroof switch Sunroof/ roof frt/wpr fuse 9 10a Sw closed Sw open Underhood fuse block (above left front wheel well)
POWER WINDOWS Power Windows Wiring Diagram for Hummer H3 2006 List of elements for Power Windows Wiring Diagram for Hummer H3 2006: 32 (in body harness) s213 Down Down relay Driver door lock & window switch Driver window motor Dwn Front passenger door lock & window switch Front passenger window motor G340 (behind right rear quarter trim) G350 (behind left rear quarter trim) Hot w/ rap relay energized Left rear window motor Left rear window switch Logic Lr down Lr up Rf down Rf up Right rear window motor Right rear window switch Rr down Rr up Rt pwr window fuse 63 30a Rt pwr window fuse 68 30a S247 S264 S314 S315 Tan Underhood fuse block (above left front wheel well) Up relay W/l
RADIO Base Radio Wiring Diagram for Hummer H3 2006 List of elements for Base Radio Wiring Diagram for Hummer H3 2006: 46 A10 A11 A12 Audio comm sig B10 B11 B12 Bare Coax Common sig Computer data lines system Drain wire Engine controls system G106 (on right inner front wheel well, behind battery) G300 (under driver seat carpet, on floor board) Ground Hot at all times Left aud sig Left audio sig Left front door speaker Left front door tweeter speaker Left rear door speaker Lf out + Lf out - Lr out + Lr out - Radio Radio antenna Rdo fuse 13 10a Rf out + Rf out - Right aud sig Right front door speaker Right front door tweeter speaker Right rear door speaker Rr out + Rr out - S205 S214 S251 Satellite radio circuit Serial data Tan Underhood fuse block (above left front wheel well) Vehicle communication interface module (center of dash below hvac control head) Vss Premium Radio Wiring Diagram (1 of 2) for Hummer H3 2006 List of elements for Premium Radio Wiring Diagram (1 of 2) for Hummer H3 2006: 43 A10 A11 A12 Audio comm sig B10 B11 B12 Bare Coax Common sig Computer data lines system Drain wire Engine controls system G106 (on right inner front wheel well, behind battery) G300 (under driver seat carpet, on floor board) Ground Hot at all times Left aud sig Left audio sig Lf out + Lf out - Lr out + Lr out - Pnk Radio Radio antenna Radio mute Radio on sig Rdo fuse 13 10a Rf out + Rf out - Right aud sig Rr out + Rr out - S205 S214 S251 Satellite radio circuit Serial data Tan Underhood fuse block (above left front wheel well) Vehicle communication interface module (center of dash below hvac control head) Vss Premium Radio Wiring Diagram (2 of 2) for Hummer H3 2006 List of elements for Premium Radio Wiring Diagram (2 of 2) for Hummer H3 2006: 42 Amp fuse 38 25a Audio amplifier (left rear of passenger compart) G300 (under driver seat carpet, on floor board) Ground Hot at all times Info not available L spk out+ L spk out- Left front door speaker Left front tweeter speaker Left rear door 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 Rem amp sig Rf aud sig+ Rf aud sig- Rf spkr out+ Rf spkr out- Right front door speaker Right front tweeter speaker Right rear door speaker Right subwoofer Rr aud sig+ Rr aud sig- Rr spkr out+ Rr spkr out- S300 Subwoofer speaker Tan Underhood fuse block (above left front wheel well) Satellite Radio Wiring Diagram for Hummer H3 2006 List of elements for Satellite Radio Wiring Diagram for Hummer H3 2006: 21 Antenna sig Aud common Audio common Bare Battery Cellular & navigation antenna Coax Digital radio receiver (right side of dash) Drain wire G300 (under driver seat carpet, on floor board) Ground Hot at all times Lt aud sig Lt aud sig+ Onstar fuse 10 10a Radio Rt aud sig Rt aud sig+ S234 S251 Serial data
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Hummer H3 2006 List of elements for Shift Interlock Wiring Diagram for Hummer H3 2006: 15 A/t shift lock control solenoid A31 c2 A47 c1 Automatic transmission floor shift solenoid Bcm fuse 14 10a Body control module (behind right front kick panel) C1 a7 Class 2 serial data Computer data lines system G350 (behind left rear quarter trim, near wheel well) Hot at all times Logic Powertrain control module (at left front side of engine compt) S314 Underhood fuse block (above left front wheel well)
STARTING/CHARGING Charging Wiring Diagram for Hummer H3 2006 List of elements for Charging Wiring Diagram for Hummer H3 2006: 19 (at left front side of engine compt) powertrain control module (pcm) (not used) B+ s Battery Class 2 data Class 2 serial data Computer data lines system Field duty cycle sig G100 (in engine compt, behind the battery) G104 (left side of engine block) Generator Generator on signal Instrument panel cluster (ipc) Logic Megafuse fuse 91 125a Red Starter solenoid Underhood fuse block (above left front wheel well) Volts Starting Wiring Diagram, A/T for Hummer H3 2006 List of elements for Starting Wiring Diagram, A/T for Hummer H3 2006: 27 Acc Batt ign sw fuse 5 10a Battery Body control module (bcm) (behind right front kick panel) C1 b6 C2 b8 G100 (in engine compt, behind the battery) G104 (left side of engine block) G105 (on left inner front wheel well) Ign 1 fuse 33 15a Ignition switch Lock Off Park/neutral position (pnp) switch (left side of automatic transmission) Pcm ctrl relay 77 Pnk Pnp start switch sig Power distribution system Powertrain control module (pcm) (at left front side of engine compartment) Red Run Run/crank relay 78 Start Starter enable relay ctrl Starter fuse 85 30a Starter solenoid Underhood fuse block (above left front wheel well) Starting Wiring Diagram, M/T for Hummer H3 2006 List of elements for Starting Wiring Diagram, M/T for Hummer H3 2006: 28 (not used) Acc Batt ign sw fuse 5 10a Battery Body control module (bcm) (behind right front kick panel) C1 b6 C2 b8 Clutch start switch (top of clutch pedal assembly) G100 (in engine compt, behind the battery) G104 (left side of engine block) G105 (on left inner front wheel well) Ign 1 fuse 33 15a Ignition switch Lock Off Pcm ctrl relay 77 Pnk Pnp start switch sig Power distribution system Powertrain control module (pcm) (at left front side of engine compartment) Red Run Run/crank relay 78 Start Starter enable relay ctrl Starter fuse 85 30a Starter solenoid Underhood fuse block (above left front wheel well)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Hummer H3 2006 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Hummer H3 2006: 53 Accessory switch Airbag fuse 27 10a G310 G310 (mounted under left side of passenger seat) Grd Hot w/ run/crank relay energized I/p stage 1-h I/p stage 1-l I/p stage 2 l I/p stage 2-h Ign 1 + Inflatable restraint i/p module Inflatable restraint passenger airbag on/off indicator Inflatable restraint sensing/diagnostic module (sdm) (beneath lower console) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil (steering wheel) L asf + L asf sig L asf-h L asf-l L belt sw L efs + L efs sig L pretens-h L pretens-l Left front seat belt pretensioner (at left inner "b" pillar) Nca Passenger seat belt indicator Pnk Pos rtrn Pos sensor-h R asf + R asf sig R asf-h R asf-l R belt sw R efs + R efs sig R pretens-h R pretens-l Red Right front seat belt pretensioner (at right inner "b" pillar) S205 Serial Shorting bar Stage 1 Stage 1-h Stage 1-l Stage 2 Stage 2 l Stage 2-h Tan Underhood fuse block (above left front wheel well) Supplemental Restraints Wiring Diagram (2 of 2) for Hummer H3 2006 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Hummer H3 2006: 44 (behind right front kick panel) body control module (in body harness) s323 (in body harness) s344 (left side of dash) data link connector (dlc) (mounted under left side of passenger seat) g310 (under center console) inflatable restraint vehicle rollover sensor A38 c2 A39 c2 A42 c1 Air bag ind Driver seat belt switch (open w/ seat belt buckled) G310 (mounted under left side of passenger seat) Grd Ign Ign 1 + Ign 1+ Inflatable restraint front passenger presence system (pps) module (on underside of cushion) Inflatable restraint passenger presence system (pps) Instrument panel cluster Ipc class 2 serial data Left inflatable restraint front end sensor (lower left radiator support) Left inflatable restraint roof rail module Left inflatable restraint seat position sensor Left inflatable restraint side impact sensor (sis) (in left front door) Logic Low ref Nca Off ind On ind Passenger seat belt buckle (open w/ seat belt buckled) Pnk Press sig Red Right inflatable restraint front end sensor (lower right radiator support) Right inflatable restraint roof rail module Right inflatable restraint seat position sensor Right inflatable restraint side impact sensor (sis) (in right front door) S310 Seat belt ind Serial Shorting bar Tan Tension sig Volt ref
TRANSMISSION A/T Wiring Diagram for Hummer H3 2006 List of elements for A/T Wiring Diagram for Hummer H3 2006: 49 (top of brake pedal assembly) tcc brake/ cruise release switch 1-2 shift solenoid valve 2-3 shift solenoid valve 3-2 shift solenoid valve assembly 5v ref Accelerator pedal position (app) sensor (on accelerator pedal bracket) App sens 1 sig App sens 2 sig Automatic transmission Automatic transmission fluid pressure manual valve position switch Automatic transmission fluid temperature sensor Cruise/misc fuse 35 10a Ect sens sig Engine coolant temperature (ect) G102 (lower left side of engine, rearward of g103) G105 (on left inner front wheel well, behind battery) Hot at all times Hot in run or start Low ref Nca Park/neutral position (pnp) switch (left side of automatic transmission) Pc vlv hi ctrl Pnk Powertrain control module (pcm) (left front side of engine compt) Pressure control solenoid valve Prndl a Prndl b Prndl c Prndl p Red Release sig Rev Run/crank relay 78 S133 Sensor (top rear center of engine) Sol vlv ctrl Sw sig a Sw sig b Sw sig c Tan Tft sens sig Torque converter clutch pulse width modulation solenoid valve Torque converter clutch solenoid valve Trans fuse 34 10a Underhood fuse block (above left front wheel well) Vehicle speed sensor (left rear of transfer case) Vlv low ctrl Vss hi Vss lo Transfer Case Wiring Diagram for Hummer H3 2006 List of elements for Transfer Case Wiring Diagram for Hummer H3 2006: 61 (on right inner front wheel well, behind battery) g106 17.4k ohms 2.1k ohms 4-hi ind 4-lo ind 4.64k ohms 4hi 4hi ind 4hi lock 4hi lock ind 4lo lock 4lo lock ind 4wd-lo sig 5v ref 7.87k ohms Accessory switch B encoder sig Bat Body control module (bcm) (behind right front kick panel) C encoder sig C1 a26 Computer data lines system Diff lock Diff lock hi Diff lock ind Diff lock lo E encoder sig Encoder Encoder lo ref Encoder motor Gnd Hot at all times Hvac relay 87 Instrument panel cluster (ipc) Logic Message center Motor ctrl a Motor ctrl b Nca Neu ind ctrl Neutral ind Ohms P encoder sig Pnk Powertrain control module (pcm) (left front side of engine compt) Rear diff lock ind Rear differential lock actuator (mounted to center of rear axle) Red Red/ Serial data Service 4wd Sig hi Sig lo Sw sig Switch sig Tccm fuse 12 30a Tccm switch 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 wheel well) Vehicle speed sensor (left rear of transfer case)
WARNING SYSTEMS Warning Systems Wiring Diagram for Hummer H3 2006 List of elements for Warning Systems Wiring Diagram for Hummer H3 2006: 53 A10 A14 A26 A32 A38 A39 A42 A44 Auto Batt ign sw fuse 5 10a Bcm fuse 14 10a Body control module (bcm) (behind right front kick panel) Chime Class 2 serial data Computer data lines system Driver door jamb switch Driver seat belt switch (open w/ seat belt buckled) Endgate ajar switch G300 (under driver seat) G310 (mounted under left side of passenger's seat) G320 (under rear of middle console carpet) Headlamp & panel dimmer switch Hot at all times Ignition switch Inflatable restraint sensing & diagnostic module (sdm) (beneath lower console) Instrument panel cluster (ipc) Key-in switch Left rear door jamb switch Left seat belt sw Left seat belt switch Left turn ind Lf dr ajar sw sig Logic Low ref Lr dr ajar sw sig Lr turn sig lmps pwr Nca Off Off/run/crank voltage Park Passenger door jamb switch Pk lmp sw sig Rf dr ajar sw sig Right rear door jamb switch Right turn ind Rr dr ajar sw sig Rr turn sig lmps pwr S300 S310 S317 S320 Seat belt ind Underhood fuse block (above left front wheel well)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Hummer H3 2006 List of elements for Front Wiper/Washer Wiring Diagram for Hummer H3 2006: 31 A20 Body control module (behind right front kick panel) C201 Frt/wpr fuse 6 25a G105 (on left inner front wheel well, behind battery) G106 (on right inner front wheel well, behind battery) Hi in Hi/low wpr relay Hot at all times Int Lo in Mist Nca Off On/off wpr relay Park out Rap relay coil control Rap/aacy relay 58 Red S/roof frt/wpr fuse 9 15a S143 S210 Turn signal/ multifunction switch Underhood fuse block (above left front wheel well) Windshield washer fluid pump (mounted on fluid reservoir) Windshield wiper motor (under center of front cowling) Windshield wiper/ washer switch Windshield/ washer pump control Windshield/ wiper motor park switch signal Windshield/ wiper switch signal 1 Windshield/ wiper switch signal 2 Rear Wiper/Washer Wiring Diagram for Hummer H3 2006 List of elements for Rear Wiper/Washer Wiring Diagram for Hummer H3 2006: 24 (at center of endgate) rear window wiper motor Accy voltage Body control module (behind right front kick panel) G106 (on right inner front wheel well, behind battery) G350 (behind left rear quarter trim, near wheel well) Hot at all times Low Off Rap relay coil control Rap/accy relay 58 Rear window washer fluid pump (in right rear engine compt area) Rear window wiper/ washer switch Rear wpr switch/pump fuse 16 15a Rear/wpr mtr fuse 15 15a S205 S292 (in body harness right kick panel area, approximately 1.2 in rearward of breakout to bcm) S901 Underhood fuse block (above left front wheel well) Wash Washer switch signal Wiper control motor Wiper delay 1 signal Wiper delay 2 signal Wiper motor
