GMC Sierra Classic 3500 (2007-2007) red/blk Wiring diagrams

80 13 45 27 14 35 43 31 58 9 (GASOLINE) (DIESEL) A/C COMP CL RLY CTRL A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C IND A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE HOSE) AIR TEMPERATURE SENSOR (LOWER LEFT) (LOWER LEFT FLOOR DUCT ASSEMBLY) AIR TEMPERATURE SENSOR (LOWER RIGHT) (BOTTOM OF HVAC MODULE) AIR TEMPERATURE SENSOR (UPPER LEFT) (BELOW DASH TRIM PANEL) AIR TEMPERATURE SENSOR (UPPER RIGHT) (BELOW DASH TRIM PANEL) AMBIENT AIR TEMPERATURE SENSOR (IN RIGHT FRONT BUMPER FILLER ASSEMBLY AUTO BLK WIRE BLK/WHT WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BLWR FUSE BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FAN DN FAN UP FRT DEF GROUND GROUND TEMP SEN ASSY CTRL BLOWER SPEED CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE INSIDE AIR TEMPERATURE SENSOR ASSEMBLY (IN HEADLINER ABOVE DRIVER) INST LAMP DIM CTRL GROUND LEFT TEMP CONTROL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE MODE DOOR CTRL IGN 3 LOW REF B(+) MODE DOOR PO SIG OFF ORG/ WIRE PPL PPL/WHT WIRE RECIR RECIR DOOR CTRL RT TMP DOOR PO SIG LT TMP DOOR PO SIG RED WIRE RED/BLK WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT TEMP CONTROL RUN WIRE SPEED CTRL B(+) GROUND TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

80 13 45 27 14 35 43 31 58 9 (GASOLINE) (DIESEL) A/C COMP CL RLY CTRL A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON INDIC A/C ON SWITCH A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE HOSE) BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL SWITCH BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT SIDE OF DASH) IGN E FUSE INST LAMP DIM CTRL GROUND LEFT TEMP CONTROL LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE CONTROL MODE DOOR CTRL IGN 3 LOW REF B(+) MODE DOOR PO SIG OFF BLOW MT CTRL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL ORG/ WIRE PPL RECIR DOOR CTRL RT TMP DOOR PO SIG LT TMP DOOR PO SIG RECIRC INDIC RECIRC SWITCH RED WIRE RED/BLK WIRE RIGHT TEMP CONTROL RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/BLK WIRE YEL WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 3-2 SOL 9 10 11 12 13 14 15 16 17 18 19 PNK PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID (ON REAR OF FUEL TANK) FUEL TANK PRESSURE SENSOR (ON FUEL TANK, INTEGRAL TO FUEL PUMP, SENDER ASSEMBLY) FUSE GRY DK GRN WIRE GRY WIRE HOT IN ACCY, RUN, START HOT IN RUN I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) BRK FUSE I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IAT SENSOR IGN LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (ON TOP OF INTAKE MANIFOLD) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK 7 8 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL CLUTCH PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV SIGNAL STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) SWITCH (ON TOP OF PEDAL CLUTCH PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD JUNCTION BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

417 472 423 TP SIG IAT SIG IC TIMING CTRL 492 432 MAF SIG MAP SIG CFAN RLY HI SPD SOL CTRL 5428 1694 PPL 552 332 806 SENS GND OIL PRESS SIG CRANK VOLTAGE 631 451 IGN FEED GND 773 1224 890 PRND C TRANS RNG A FUEL SIG CTRL PNK WIRE A/C SYSTEM ANTI-LOCK BRAKE SYSTEM (SPEED SIGNAL) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL DRIVER COOLING FANS SYSTEM CRANK FUSE CRUISE CONTROL SYSTEM CRUISE ENG SENS SIG GEN REG CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE) FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START HTR LOW CTRL IDLE AIR CONTROL VALVE (MOUNTED TO THROTTLE BODY) IGN IGNITION COIL IGNITION CONTROL MODULE (ON RIGHT FRONT OF INTAKE MANIFOLD) INSTRUMENT CLUSTER SYSTEMS (SPEED SIGNAL) INSTRUMENT PANEL CLUSTER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PC SOL HI PC SOL LO PMP RLY CTRL RPM OUT PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RPM OUT STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL A/C CLU TIMING TRANS- MISSIONS SYSTEM TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH (ON LEFT SIDE OF TRANSFER CASE) UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) IPC/DIC FUSE W/ 2 SPEED MANUAL SHIFT CONTROL W/ 2 SPEED PUSH BUTTON CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2-3 SOL 3-2 SOL 32 33 34 PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRK FUSE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) FUEL TANK PRESSURE SENSOR (ON FUEL TANK, INTEGRAL TO FUEL PUMP, SENDER ASSEMBLY) GRY DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENG, ON INTAKE MANIFOLD) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) VEHICLE SPEED SENSOR (REAR OF TRANSMISSION/ TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE

32 33 34 PNK WIRE 9 10 PNK WIRE ACT CNTRL APP SENS 1 APP SENS 2 AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE CRUISE CONTROL SYSTEM CRUISE REQ DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT/ECM FUSE FUSE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IAT SENSOR IGN LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE R/A INPUT RED WIRE RED/BLK WIRE RED/WHT WIRE REF LOW S/C INPUT SIGNAL STP LP IN TAC CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TP SENS 1 TP SENS 2 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) VEH STOP FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

32 33 34 PNK WIRE A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRANK FUSE CSS SIG AXLE SW SIG VSS LOW SIG VSS HIGH SIG AT ISS HIGH SIG AT ISS LOW SIG CTRL CYCLE SIG DELIVERED TORQ PC SOL HI CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS OUT VSS OUT TFT SENS SIG EXC SEO FUEL LEV SENS FUEL LEV SIG FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND IGNITION COILS INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MAP SIG CFAN HI RLY EVAP CANP CTRL MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE PC SOL LO CTRL PMP RLY CTRL RPM OUT PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE PRESS SENS SIG IND CTRL PPL RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW RPM OUT SEO SPARK PLUG SPARK PLUG SPARK PLUG STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL CLU RLY CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2-3 SOL 3-2 SOL 32 33 34 PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRK FUSE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) FUEL TANK PRESSURE SENSOR (ON FUEL TANK, INTEGRAL TO FUEL PUMP, SENDER ASSEMBLY) GRY DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENG, ON INTAKE MANIFOLD) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) VEHICLE SPEED SENSOR (REAR OF TRANSMISSION/ TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE