Hummer H3 I (2005-2010) nca Wiring diagrams

BLK WIRE BLK/RED WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER SEAT BOTTOM) DRIVER HEATED SEAT MODULE (IN DRIVER SEAT BOTTOM) DRIVER SEAT LUMBAR ADJUSTER SWITCH HIGH/LOW STATUS IND BULB HOT AT ALL TIMES HTD/SEATS FUSE 1 HVAC RELAY 87 IGN 3 RLY COIL LOW HIGH NCA WIRE ORG/ WIRE PASSENGER HEATED SEAT CIRCUIT PNK WIRE PWR HTR SWITCH FUSE 53 RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL) WHT WIRE YEL WIRE

BACK DN BLK WIRE DK BLU WIRE DK GRN WIRE DN UP DRIVER SEAT ADJUSTER MOTOR ASSEMBLY (UNDER DRIVER SEAT) DRIVER SEAT ADJUSTER SWITCH FRONT VERTICAL FUSE HOLDER POWER SEAT HORIZ- ONTAL HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE LUMBAR CIRCUIT NCA WIRE ORG/ WIRE PWR SEATS FUSE 61 REAR VERTICAL SEAT CIRCUIT BREAKER TAN WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL) YEL WIRE

ADJUSTER/HEATER SWITCHES) AUTOMATIC LEFT REAR TRANSMISSION WINDOW SHIFT LEVER SWITCH BLK WIRE DRIVER BACK HEATED SEAT ELEMENT DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER SEAT ADJUSTER SWITCH FUEL PUMP, SENDER ASSEMBLY LEFT BACK-UP LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LICENSE LAMP NCA WIRE 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 CENTER HIGH WINDOW MOUNTED WIPER STOP LAMP MOTOR (CHMSL) REAR WINDOW DEFOGGER RIGHT BACK-UP LAMP RIGHT REAR WINDOW SWITCH RIGHT TAIL/ STOP/ TURN SIGNAL LAMP TRAILER PROVISION TRAILER (BLUNT CONNECTOR CUT) W/ HD W/O HD TRUCK TRUCK TRAILER TRAILER WIRING WIRING WHT WIRE

BLK WIRE BODY CONTROL MODULE DK GRN WIRE GRN WIRE HORN (FRONT OF VEHICLE, BEHIND GRILL) HORN CONTACT IN HORN FUSE 36 HORN RELAY 74 HORN RLY CNTRL HORN SWITCH HOT AT ALL TIMES NCA WIRE TURN SIGNAL CANCEL CAM TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)

12 15 MIL SERIAL DATA PPL 2 59 60 PPL SERIAL DATA SEAT BELT SW SEAT BELT SW 24 40 LOW REF 5 VOLT REF 1 3.7L 44 27 PPL PNK SERIAL DATA BRK FLUID LVL WIRE 5.3L 8 9 10 11 12 13 14 15 16 17 18 CHARGING IND ABS IND. ACCESSORY SWITCH AIR BAG IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN/WHT WIRE CHIME CLSTR FUSE 19 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 1807 238 CRUISE IND DK BLU WIRE DRIVER INFORMATION CENTER (DIC) DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH ECT SENSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT OF MASTER CYLINDER) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPER- ATURE GAUGE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT LEFT OF ENGINE) ENGINE OIL PRESSURE (EOP) SWITCH (3.7L) (ABOVE OIL FILTER) FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY (MOUNTED ON TOP OF FUEL TANK) GRY WIRE HIGH BEAM IND 1 2 3 4 5 6 7 HOT AT ALL TIMES IGN ILLUMINATION (4 BULBS) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BENEATH LOWER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN IND LOGIC LOW REF LOW TIRE PRESSURE IND LT BLU WIRE MALFUNCTION IND NCA WIRE OIL GAUGE OIL PRESS OIL PRESSURE IND ORG/ WIRE PARK BRAKE SWITCH (LEFT LOWER SIDE OF DASH) PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT IND PNK WIRE PPL PPL FUEL LEVEL PPL PPL PPL PPL SERIAL DATA SERIAL DATA PRK BRK SW SERIAL DATA PPL RED WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SENSOR SIG SERIAL DATA SERIAL DATA GROUND BATTERY SPEEDO- METER TACHO- METER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL IND TRIP ODOMETER TRIP RESET SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) UP SHIFT IND VOLTS WHT WIRE YEL WIRE

BLK WIRE BLU WIRE DK PNK WIRE DRIVER POWER SEAT CIRCUIT DRIVER SEAT LUMBAR ADJUSTER SWITCH DRIVER SEAT LUMBAR MOTOR (IN DRIVER SEAT) FUSE SEAT CIRCUIT BREAKER HOLDER POWER SEAT HOT AT ALL TIMES NCA WIRE ORG/ WIRE OUT PASSENGER POWER SEAT CIRCUIT PASSENGER SEAT LUMBAR ADJUSTER SWITCH PASSENGER SEAT LUMBAR MOTOR (IN PASSENGER SEAT) PNK WIRE PWR SEATS FUSE 61 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL)

BLK WIRE BLK/RED WIRE BODY CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE DR HTD SEAT SW OFF SIG DRIVER HEATED SEATS CIRCUIT HOT AT ALL TIMES HTD/SEATS FUSE 1 HVAC RELAY 87 IGN IGN 3 RLY COIL LOGIC LOW HIGH/LOW STATUS IND BULB HIGH LT BLU WIRE NCA WIRE ORG/ WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER SEAT BOTTOM) PASSENGER HEATED SEAT MODULE (IN PASSENGER SEAT BOTTOM) PASSENGER SEAT BELT BUCKLE PASSENGER SEAT LUMBAR ADJUSTER SWITCH PNK WIRE PWR HTR SWITCH FUSE 53 RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL) WHT WIRE YEL WIRE

-MTR FUSE 67 -SOL FUSE 64 AMP FUSE 38 E-BRAKE FUSE 83 AUDIO AMPLIFIER AUX PWR 1 FUSE 51 AUX PWR 2 FUSE 45 BATTERY BLK WIRE BLUNT CUT) BODY CONTROL MODULE BODY CONTROL MODULE (BCM) CLSTR FUSE 19 CNSTR VENT FUSE 31 DATA LINK CONNECTOR (DLC) DIODE DRIVER DOOR LEFT REAR LOCK/ WINDOW WINDOW SWITCH SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT CUSHION ELEMENT ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FROM AUX PWR 1 FUSE 51 (DIAGRAM 1 OF 4) FROM REAR TRN/ HAZRD FUSE 20 (DIAGRAM 1 OF 4) FRT TRN/ HAZRD/ CTSY MIR FUSE 56 BCM FUSE 14 GENERATOR HTD/SEATS FUSE 1 SDARS FUSE 50 HVAC CONTROL MODULE I/P AUXILIARY POWER OUTLET INSTRUMENT PANEL CLUSTER (IPC) LT PWR WNDW FUSE 68 MEGAFUSE FUSE 91 NCA WIRE ORG/ WIRE PASSENGER HEATED SEAT MODULE PCM CNTRL RELAY 77 PCM-B FUSE 25 PWR/ LKS FUSE 8 RADIO RAP/ ACCY RELAY 88 S/ROOF FRT/WPR FUSE 9 RDO FUSE 13 REAR AUXILIARY POWER OUTLET REAR TRN/HAZRD FUSE 20 REAR WINDOW WASHER FLUID PUMP REAR WINDOW WIPER MODULE REAR WINDOW WIPER/ WASHER SWITCH REAR WPR SWITCH/PUMP FUSE 16 REAR/WPR MTR FUSE 15 RED WIRE RIGHT PASSENGER REAR DOOR LOCK/ WINDOW WINDOW SWITCH SWITCH RT PWR WNDW FUSE 63 SPO FUSE 10 STARTER STOP FUSE 54 TCCM FUSE 12 STOP TRANSFER CASE SHIFT LAMP SWITCH CONTROL MODULE STRTR FUSE 85 PWR S/ROOF FUSE 57 SUNROOF MODULE SUNROOF MOTOR TO ONSTAR FUSE (DIAGRAM 4 OF 4) TO PWR/ LOCK FUSE 8 (DIAGRAM 1 OF 4) TO PWR/TRN RELAY 81 (DIAGRAM 2 OF 4) TO RAP/ACCY RELAY 88 (DIAGRAM 1 OF 4) TRAILER CONNECTOR TRLR B+ FUSE 84 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ HD TRUCK TRAILER WIRING HARNESS W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM YEL WIRE

3.7L 5.3L A/C CLUTCH RELAY 76 A/C COMPRESSOR CLUTCH ABS/VSES FUSE 29 AC CLUTCH FUSE 48 AIR SOL FUSE 44 AIR SOL RELAY 80 HVAC CNTRL HD FUSE 59 TCCM SWITCH FUSE 58 HVAC BLWR FUSE 82 BACK-UP LAMP SWITCH BCK/UP FUSE 28 BRN WIRE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENG CNTRL SYS FUSE 22 ENGINE CONTROL MODULE (ECM) FROM FROM INJECTOR FUSE 23 (DIAGRAM 3 OF 4) FROM RUN/ CRANK RELAY 78 (DIAGRAM AIR CMPRSR FUSE 11 GRILLE GUARD FUSE 2 2 OF 4) FROM TRANS FUSE 34 (DIAGRAM 2 OF 4) FUEL FUEL FUEL FUEL INJECTOR INJECTOR INJECTOR INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUSE 33 FUSE 33 (DIAGRAM 3 OF 4) IGNITION COIL MODULE INJ FUSE 23 M/T A/T NCA WIRE OFF ROAD GRILL LAMP RELAY (DEALER INSTALLED) OFF ROAD ROOF LAMP RELAY (DEALER INSTALLED) PARK/ NEUTRAL POSITION (PNP) SWITCH PCM-I FUSE 21 PNK PNK A/T WIRE PNK PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PWR HTR SWITCH FUSE 53 VSES/ ABS FUSE 52 A/C CLUTCH DIODE 90 RED WIRE RED/BLK WIRE ROOF LP FUSE 4 RR DEFOG RELAY 71 HVAC RELAY 87 TO A/C CLUTCH RELAY 76 (DIAGRAM 3 OF 4) TO BATT IGN SW FUSE 5 (DIAGRAM 4 OF 4) TO ENG CNTRL SYS FUSE 22 (DIAGRAM 3 OF 4) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ ACTIVE BRAKE CONTROL YAW, LATERAL ACCELEROMETER SENSOR

BLK WIRE BODY CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) BRN WIRE DRIVER OUTSIDE REARVIEW MIRROR GRY WIRE HORZ HOT AT ALL TIMES FRT TRN/HAZRD CTSY MIR FUSE 56 INADVERTANT POWER SUPPLY VOLTAGE LEFT NCA WIRE OFF ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR RED WIRE RIGHT RIGHT LEFT UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VERT WHT WIRE YEL WIRE