GMC Cutaway G3500 (2012-2013) nca Wiring diagrams

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED A/T) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUX/TRLR BCK/UP FUSE BACKUP ALARM (REAR OF VEHICLE ON FRAME) BCK/UP LAMP PCB RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT BUS-DATA COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - DK BLU WIRE FRONT SEAT) GMLAN HI SPD GRN WIRE GRY WIRE HI SPD GMLAN DATA BUS - HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES UNDERHOOD MEGA FUSE FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) LEFT BACKUP LAMP (CARGO/ PASSENGER) LEFT TAIL/ STOP/ TURN SIGNAL LAMP LT GRN WIRE NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH POWER DISTRIBUTION SYSTEM PROVISIONAL RED WIRE RELAY CTRL RIGHT BACKUP LAMP (CARGO/ PASSENGER) RIGHT TAIL/ STOP/ TURN SIGNAL LAMP SIG A SIG B SIG C TAIL LAMP BCK/UP FUSE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER CONNECTOR (IF EQUIPPED) TRANS RNG SW SIG A TRANS RNG SW SIG B TRANS- MISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK W/ ELECTRICAL BACKUP CUTAWAY ALARM YEL WIRE

19 16 15 ALARM ENABLE SIG HAZARD SW SIG HAZARD SW SIG 2 1 3 5 B+ B+ B+ RF TURN SIG LP CTRL 8 9 1 DATA BUS (+) DATA BUS (-) GND AUX PRK LAMP FUSE BCM 6 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK BRN WIRE CARGO/ PASSENGER CENTER HIGH MOUNTED STOP LAMP (CHMSL) CHMSL CTRL COMPUTER DATA LINES SYSTEM CUTAWAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER OUTSIDE REARVIEW FRT PRK LAMP FUSE FUSE GROUND DISTRIBUTION SYSTEM HAZARD SWITCH HAZARD WARNING SWITCH HOT AT ALL TIMES UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) LEFT LEFT TAIL/STOP, TURN SIGNAL LAMP LICENSE PLATE LAMP LT BLU WIRE LT BLU/WHT WIRE LT REAR PARK LAMP FUSE MEGA FUSE MIRROR (IN DRIVER DOOR) MIRROR (IN RIGHT FRONT PASSENGER DOOR) NCA WIRE PARK LAMP CTRL PARK LAMPS SIG PASSENGER OUTSIDE REARVIEW PRK LAMP RELAY PROVISIONAL RED WIRE RED/WHT WIRE RIGHT RIGHT TAIL/STOP, TURN SIGNAL LAMP RT REAR PRK LAMP FUSE SPLICE SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/BLK WIRE TRAILER TOW CIRCUIT TRLR PRK LAMP FUSE UPFTR PARK LAMP FUSE W/ AMBULANCE, RECREATIONAL VEHICLE SALES PACKAGE W/ FOLDING MIRRORS RADIO BREAKOUT) W/O REAR WINDOW DEFOGGER WHT WIRE YEL WIRE

4.8L/5.3L/6.0L AT GROUND TO LPG BYPASS SOLENOID) W/ 3 TANK VEHICLE KIT, LPG AUXILIARY BATTERY BATTERY BATTERY CURRENT SENSOR (EXCEPT 6.6L) BLK WIRE BLK/WHT WIRE CM FROM CONNECTOR EXHAUST GAS RECIRCULATION VALVE SHIELD FUEL FUEL INJECTOR CONTROL MODULE GROUND TO LPG CONTROL MODULE, WAIT TO START LAMP) HARNESS, 7.5 CM FROM PRIMARY FUEL LEVEL SENSOR) IGNITION (EV) RELAY RELAY RELAY WIPER WIPER HI DIODE DIODE IGNITION IGNITION COIL 1 COIL 8 IGNITION IGNITION COIL 3 COIL 5 IGNITION IGNITION IGNITION COIL 4 COIL 6 COIL 2 INDICATOR LEFT FRONT MARKER LAMP LEFT PARK/TURN SIGNAL LAMP LPG BYPASS SOLENOID VALVE LPG CONTROL MODULE LPG PRIMARY CONTROL FUEL LEVEL MODULE SENSOR NCA WIRE RUN WIRE RUN/ CRNK RELAY SECONDARY FUEL LEVEL SENSOR UNDERHOOD FUSE BLOCK CRNK PUMP (ON LEFT LAMP RELAY RELAY SIDE OF ENGINE COMPT) W/ 4 TANK COMPLETE VEHICLE KIT WAIT TO WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY

4.3L 4.3L/ 5.3L 4.8L 6.0L 4.8L, 5.3L, 6.0L 5.3L W/ HD TRUCK TRAILER W/O BACKUP ALARM 6.6L 6.6L BLK WIRE BLK/WHT WIRE BODY INTAKE (BLUNT CONTROL AIR CUT) MODULE VALVE SHIELD (BCM) SHIELD BREAKOUT) CONNECTOR BREAKOUT) COOLANT FUEL HEATER HEATER COOLANT HEATER FUEL PUMP CUT OFF FUEL SOLENOID PUMP VALVE ENGINE CONTROL MODULE (ECM) EXCEPT 5.3L W/ HD TRUCK TRAILER 4.8L, 6.OL, 4.3L W/O HD TRUCK TRAILER EXCEPT 5.3L W/ HD TRUCK TRAILER, BACKUP ALARM EXHAUST GAS RECIRCULATION (EGR) VALVE SHIELD FUEL COMPO- SITION SENSOR FUEL FILTER PRESSURE SWITCH FUEL PRESSURE REGULATOR 1 SHIELD FUEL PRESSURE REGULATOR 2 SHIELD FUEL PUMP, FUEL LEVEL SENSOR ASSEMBLY GLOW PLUG CONTROL MODULE (GPCM) NCA WIRE REDUCTANT LINE HEATER REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER SECONDARY PRIMARY LPG PUMP LPG PUMP ASSEMBLY ASSEMBLY TRAILER CONNECTOR W/ 3 TANK COMPLETE VEHICLE KIT, LPG W/ 4 TANK COMPLETE VEHICLE KIT W/ CARGO 6.6L, EXCEPT 5.3L W/ HD TRUCK TRAILER, BACKUP ALARM W/ DEDICATED CNG W/ FUEL FIRED 6.6L AUXILIARY HEATER W/O DEDICATED CNG WHT WIRE WHT/ BLK WIRE

AIR TEMPERATURE DOOR ACTUATOR BCK/UP LAMP PCB BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE CARGO DOOR UNLOCK RELAY CENTER CONSOLE ACCESSORY POWER RECEPTACLE 2 CONNECTOR CONTENT THEFT DETERRENT MODULE COURTESY LAMPS PROVISION RELAY DATA LINK CONNECTOR (DLC) DOOR UNLOCK RELAY DRIVER DOOR DOOR LOCK UNLATCH RELAY RELAY DRIVER INFORMATION CENTER (DIC) SWITCH HEADLAMP, PANEL DIMMER SWITCH HEAVY DUTY HORN SWITCH HVAC CONTROL SWITCH ASSEMBLY IGNITION POWER PROVISION RELAY INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSIDE COMPASS REARVIEW MODULE MIRROR INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROLS SWITCH LIGHT DUTY NCA WIRE PASSENGER AIR BAG DISABLE INDICATOR PASSENGER AIR BAG DISABLE SWITCH PASSENGER COMPARTMENT FUSE BLOCK RADIO REAR PARKING ASSIST CONTROL MODULE REARVIEW CAMERA REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT STEERING WHEEL CONTROLS SWITCH ROLLOVER SENSOR RUN WIRE RV UPFITTER SHIFT LOCK CONTROL SOLENOID ACTUATOR STEERING WHEEL AIR BAG COIL STEERING WHEEL SPEED/ POSITION SENSOR TOW/ BODY CONTROL HAUL MODULE (BCM) SWITCH TOWARDS INSTRUMENT CLUSTER PANEL) TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ REAR WINDOW DEFOGGER, POWER MIRRORS W/ REDUNDANT RADIO STEERING WHEEL CONTROL W/ REMOTE KEYLESS ENTRY, LOW TIRE PRESSURE INDICATOR W/ UYS W/O UYS 5 6 W/ VEHICLE COMMUNICATION SYSTEM W/O MANUAL SUPPRESSION SWITCH, RV UPFITTER W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER MOTOR

AUXILIARY HVAC CONTROL MODULE BLK WIRE CUTAWAY UPFITTER DOME LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER OUTSIDE REARVIEW MIRROR DRIVER WINDOW SWITCH FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRONT DOME/ READING LAMPS NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW PASSENGER OUTSIDE SWITCH REARVIEW MIRROR REAR AUXILIARY HVAC CONTROL ASSEMBLY RIGHT LEFT SUNSHADE SUNSHADE RIGHT LEFT VANITY VANITY MIRROR MIRROR LAMP LAMP RV UPFITTER RV UPFITTER (NOT USED) SPLICE BLOCK W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ POWER MIRRORS, WINDOWS W/ REAR A/C W/O RV UPFITTER W/ REAR A/C, RV UPFITTER W/ REAR A/C, RV UPFITTER, SWB PASSENGER W/O ELECTRIC SIDE DOOR LOCK CONTROL W/O POWER MIRRORS, WINDOWS W/O REAR A/C, FRONT VANITY MIRROR W/ CUTAWAY UPFITTER

19 CM FROM LEFT FRONT DOME FLUORESCENT WORK LAMP CONNECTOR) 30 CM FROM PASSENGER 42 CM FROM LEFT FRONT SIDE FRONT ACCESS PANEL ACTUATOR) AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR BLK WIRE BLK/WHT WIRE BREAKOUT) CENTER HIGH MOUNTED STOP LAMP (CHMSL) DOME LAMP ELECTRONIC BRAKE CONTROL MODULE (EBCM) FRONT CARGO FLUORESCENT WORK LAMP FUEL FILTER PRESSURE SWITCH LEFT FRONT REAR CARGO ACCESS PANEL FLUORESCENT FLUORESCENT WORK LAMP WORK LAMP LEFT LEFT REAR REAR DEFOGGER DEFOGGER GRID GRID LEFT REAR ACCESS PANEL FLUORESCENT WORK LAMP LEFT REAR SIDE REAR ACCESS PANEL ACTUATOR W/ AUXILIARY HEATER W/O REAR A/C LEFT TAIL/STOP LEFT BACKUP TURN SIGNAL LAMP LAMP LICENSE PLATE LAMP MIDDLE DOME/ READING LAMPS NCA WIRE REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR CARGO DOOR LATCH ASSEMBLY REAR CARGO DOOR LOCK SWITCH REAR DOME READING LAMPS RIGHT ACCESS PANEL FLUORESCENT WORK LAMP RIGHT BACKUP LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT REAR DEFOGGER GRID RIGHT SIDE FRONT ACCESS PANEL ACTUATOR RIGHT TAIL/STOP, TURN SIGNAL LAMP W/ AUXILIARY HEATER, REAR A/C W/ AUXILIARY HEATER, REAR A/C, REAR WINDOW DEFOGGER W/ CARGO LAMPS W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ REAR A/C W/ REAR A/C, SWB W/ REAR WINDOW DEFOGGER W/ SWING OUT REAR DOOR WINDOW W/ STATIONARY REAR DOOR WINDOW W/O ACTIVE BRAKE CONTROL W/ ACTIVE BRAKE CONTROL W/O AUXILIARY HEATER, REAR A/C W/O ELECTRIC SIDE DOOR LOCK CONTROL W/O REAR WINDOW DEFOGGER WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LH AUDIO SIG (+) RH AUDIO SIG (+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ LF MID OUT (+) RF MID OUT (+) 1959 1955 LR MID OUT (-) RR MID OUT (-) 2 1 8 LO REF 658 1782 VOICE SIG DRAIN WIRE HI SPD GMLAN ANTENNA IN BATT POSITIVE VOLT BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BREAKOUT) BRN/WHT WIRE CELLULAR, DIGITAL RADIO ANTENNA CELLULAR/ NAVIGATION ANTENNA COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CUTAWAY UPFITTER DIGITAL RADIO RECEIVER (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN) INFO LED DIMMING CTRL GND LF MID OUT (-) RF MID OUT (-) LEFT CARGO DOOR SPEAKER (IF EQUIPPED) LEFT FRONT SPEAKER LEFT REAR SPEAKER LH AUDIO SIG + RH AUDIO SIG + LO GMLAN SERIAL DATA LO REF LO SERIAL DATA LR MID OUT (+) RR MID OUT (+) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MUTE NCA WIRE ORG/ WIRE PASSENGER/ CARGO PNK WIRE RADIO RADIO ANTENNA RDO/ CHIME FUSE 20 RED/WHT WIRE RIGHT CARGO DOOR SPEAKER (IF EQUIPPED) RIGHT FRONT SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK DOWN SEEK UP SOURCE STEERING WHEEL CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE USB CABLE USB CHARGE USB RECEPTACLE VEHICLE COMMUNICATION INTERFACE MODULE (VICM) (BELOW STEERING COLUMN) VOICE SIG VOL DOWN VOL UP W/ VEHICLE COMMUNICATION SYSTEM W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE

4 SPEED 6 SPEED A/T A/T 4.3L/ 5.3L 4.8L 6.0L 6.6L 6.6L 6.6L EXCEPT ABS MDL FUSE 2 ABS MTR FUSE 1 AMBULANCE UPFITTER) AUX PWR OUTLET FUSE 25 AUXILIARY BATTERY AUXILIARY GENERATOR BATTERY BCM 2 FUSE 58 BCM 1 FUSE 59 BCM 3 FUSE 26 BCM 7 FUSE 8 BCM 4 FUSE 9 BCM 5 FUSE 7 BCM 6 FUSE 72 BLK WIRE BLOWER MOTOR RESISTOR BODY CONTROL MODULE (BCM) BRN WIRE CENTER CONSOLE 2 ACCESSORY CENTER CONSOLE 1 ACCESSORY CIGAR LIGHTER RECEPTACLE CNSTR VENT SOL FUSE 56 CONTROL SOLENOID VALVE ASSEMBLY COOLANT HEATER (6.6L W/ AUXILIARY FUEL FIRED HEATER) DATA LINK CONNECTOR (DLC) ECM BATT FUSE 19 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) VENT SOLENOID VALVE FCSM BATT FUSE 36 FOH MDL FUSE 35 FROM CMPS FUSE 19 (DIAGRAM 4 OF 5) FROM RUN FRT BLWR FUSE 74 FUEL PUMP CONTROL MODULE (5.3L) FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 (W/ DUAL GENERATOR GENERATOR GLOW PLUG CONTROL MODULE (GPCM) INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) INTAKE AIR HEATER (IAH) LTR/DLC FUSE 73 NCA WIRE PASSENGER COMPARTMENT FUSE BLOCK POWER RECEPTACLE POWER RECEPTACLE PROVISION IGNITION POWER PROVISION RELAY REAR PARKING ASSIST CONTROL MODULE RED WIRE RED/BLK WIRE RED/WHT WIRE RPA FUSE SEO TCM BATT FUSE 32 FUSE 27 STARTER MOTOR TO HEADLAMP HIGH BEAM RELAY (DIAGRAM 2 OF 5) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION ASSEMBLY TRLR WRG FUSE 11 TRLR WRG FUSE 42 UNDERHOOD JUNCTION BLOCK UPFITTER AUX 2 READING LAMPS FUSE 28 W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV UPFITTER W/O RV UPFITTER W/ TRUCK TRAILER W/ W/ RV CUTAWAY UPFITTER UPFITTER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DFI VOLT SPLY CYL 4 DFI VOLT SPLY CYL 6 DFI VOLT CTRL CYL 7 DFI VOLT CTRL CYL 6 ENGINE CONTROL MODULE (ECM) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 FUEL INJECTOR 1 (ON RIGHT SIDE OF ENGINE) GND SOL HIGH SIG GRY WIRE LOW REF LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE ORG/BLK WIRE PNK 1 2 3 4 WIRE PNK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION SENSOR (ON TOP OF TURBOCHARGER) VEHICLE SPD SIG WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE