GMC Sierra Classic 3500 (2007-2007) tan Wiring diagrams

1 2 6 8 16 19 20 21 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE (FTP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRK FUSE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (REAR SIDE OF LEFT CYLINDER HEAD) EXCEPT SEO FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LOGIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP N/P OF TRANSMISSION) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SEO SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TOW/ HAUL IND TOW/HAUL SWITCH TRANSFER CASE CIRCUIT TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) PCM 1 FUSE VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND AXLE SW SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS II DATA AXLE CTRL AWD IND 4-LO IND 4-HI IND CONTROL MODULE CTRL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER LOW GROUND ENCODER SIG FRONT AXLE ACTUATOR (ON FRONT AXLE) FRONT PROPSHAFT SPEED SENSOR (ON LEFT FRONT SIDE OF TRANSFER CASE) FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) SEO IGN FUSE I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LOCK SOL CTRL 2-HI IND NEUTRAL IND LOGIC LT BLU WIRE LT GRN/BLK WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL FT SHAFT LO FT SHAFT HI PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR (ON TRANSFER CASE EXTENSION HOUSING) BRAKE CONTROL RED WIRE RR SHAFT HI RR SHAFT LO RUN WIRE SHIFT MOTOR SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR (LEFT SIDE OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 6 8 16 19 20 21 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRK FUSE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT SIDE OF LEFT CYLINDER HEAD) FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TOW/HAUL SWITCH TRANSFER CASE CIRCUIT TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) PCM 1 FUSE VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND AXLE SW SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS II DATA AXLE CTRL AWD IND 4-LO IND 4-HI IND CONTROL MODULE CTRL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER LOW GROUND ENCODER SIG FRONT AXLE ACTUATOR (ON FRONT AXLE) FRONT PROPSHAFT SPEED SENSOR (ON LEFT FRONT SIDE OF TRANSFER CASE) FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) SEO IGN FUSE I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LOCK SOL CTRL 2-HI IND NEUTRAL IND LOGIC LT BLU WIRE LT GRN/BLK WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL FT SHAFT LO FT SHAFT HI PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR (ON TRANSFER CASE EXTENSION HOUSING) BRAKE CONTROL RED WIRE RR SHAFT HI RR SHAFT LO RUN WIRE SHIFT MOTOR SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR (LEFT SIDE OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 6 8 16 19 20 21 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRK FUSE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT SIDE OF LEFT CYLINDER HEAD) FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TOW/HAUL SWITCH TRANSFER CASE CIRCUIT TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) PCM 1 FUSE VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 15 16 PPL 2500 2500 1 2 HI SPD GMLAN SRL DATA + HI SPD GMLAN SRL DATA + 2501 2501 HI SPD GMLAN SRL DATA - HI SPD GMLAN SRL DATA - 5084 5691 50 HI VOLTAGE BATTERY (+) HI VOLTAGE BATTERY (-) 5685 5595 50 5087 5686 5683 APO NEUTRAL HI VOLT INTERLOCK LOOP SIG 2 BATTERY BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANK VOLTAGE ENGINE SPEED SIGNAL DK GRN WIRE ENG SPD SIG ESCM FUSE FUSE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) FUSIBLE LINK 4 (14 GA- GREY) GRN WIRE HCM-B FUSE HCM-I FUSE HIGH SPEED GMLAN SERIAL HOOD AJAR SWITCH HOT AT ALL TIMES HOT IN RUN OR START HYBRID CONTROL MODULE HYBRID FUSE INSTRUMENT CLUSTER SYSTEM LEFT BATTERY LT BLU WIRE LT BLU/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PHASE 1 PHASE 2 PHASE 3 PNK 1 2 3 WIRE PNK COOLANT PUMP RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PNP MEDIUM RESOLU- TION ENGINE SPEED SIGNAL POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (TRAILERING OPTION) PPL PPL 5 6 7 8 PPL HI VOLT INTERLOCK LOOP SIG 2 GROUND APO PHASE A PPL PNK WIRE PPL/WHT WIRE RED WIRE STARTER ENABLE RLY CTRL STARTER/GENERATOR STARTER/GENERATOR CONTROL MODULE (RIGHT REAR OF ENG COMPT) SWITCH SIGNAL TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD SECONDARY FUSE BLOCK (LEFT SIDE OF ENG COMPT, REAR OF BATTERY) WHT WIRE YEL WIRE YEL/BLK WIRE

1-CAR 1-CS 4-CS 4-FAN 1-FAN 1-NTC-1 1-NTC-2 2-CAR 2-NTC-2 2-NTC-1 2-NTC-3 1-NTC-3 3-BCO 4-BCO 2-BCO 1-BCO 2-CS 3-CS 5-BCO 2-FAN 3-CAR 39 40 41 42 HI SPD GMLAN SRL DATA - 7-CAR 8-CAR BATTERY 1 BATTERY 2 BATTERY 3 BATTERY CUT OFF SWITCH BATTERY VOLTAGE BCO CTRL BCO CTRL BATT POS VOLT BCO STATUS GND BLK WIRE COMPUTER DATA LINES SYSTEM CURRENT SENS SIG A LOW REF FAN SPEED SIG ESB FAN (+) CURRENT SENSOR ENERGY STORAGE BOX (ESB) ENERGY STORAGE BOX (ESB) FAN ENERGY STORAGE CONTROL MODULE FUSE HOLDER FUSE GND-CAR GROUND (PIN 25-38 NOT USED) IGNITION 0 VOLTAGE (PIN 43-47 NOT USED) IGNITION 1 VOLTAGE (PIN 19-23 NOT USED) LOW REF LOW REF LOW REF TEMP SENS SIG 3 VOLTAGE SENS SIG 2 NCA WIRE ORG/ WIRE PNK WIRE RED WIRE SERVICE DISCONNECT SWITCH TAN WIRE TEMPER- ATURE SENSOR (BATTERY 1) TEMPER- ATURE SENSOR (BATTERY 2) TEMPER- ATURE SENSOR (BATTERY 3) VOLTAGE SENS SIG 1 VOLTAGE SENS SIG 4 VOLTAGE SENS SIG 3 VOLTAGE SENSOR 1 VOLTAGE SENSOR 2 VOLTAGE SENSOR 3 VOLTAGE SENSOR 4 WHT WIRE

10 11 12 13 14 15 16 AUD OUT - DRAIN WIRE AUDIO AMPLIFIER BARE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COAX ANTENNA COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GROUND R SPK OUT+ GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) L SPK OUT- L SPK OUT+ LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER (EXTENDED CAB) LEFT REAR DOOR SPEAKER (EXCEPT EXTENDED CAB) LF AUD + RT AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MIC SUP VOLT MIC SIG RF AUD SIG- LF AUD SIG- LF AUD SIG+ RF AUD SIG+ DRAIN WIRE NCA WIRE NOISE COMPENSATION MICROPHONE ORG/ WIRE ORG/BLK WIRE R SPK OUT- B+ RADIO AMP FUSE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR SPEAKER (EXTENDED CAB) RIGHT REAR DOOR SPEAKER (EXCEPT EXTENDED CAB) SERIAL DATA SUBWOOFER SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) YEL WIRE

1362 (OR 353) 349 1834 2306 (OR 371) AIRBAG FUSE BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE EXCEPT 10 SERIES/ CREW CAB GROUND GRY WIRE HOT IN RUN OR START HVY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P RELAY BLOCK IGNITION 1 VOLTAGE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL KEY SWITCH LEFT INFLATABLE RESTRAINT FRONT END SENSOR (ON LEFT FRONT OF VEHICLE) LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE OFF ORG/ WIRE OTHERS PNK WIRE PNK (OR TAN/BLK) WIRE PNK 1 2 3 4 5 6 7 WIRE PNK W/ FRONT PASSENGER/ CHILD PRESENCE DETECTOR WIRE PNK WIRE PPL PPL PPL RED (OR PNK) WIRE RED WIRE RIGHT FRONT OF VEHICLE BOTTOM OF RADIATOR SUPPORT) RIGHT INFLATABLE RESTRAINT SIDE IMPACT SENSOR RIGHT SIGNAL HIGH CONTROL LOW CONTROL GROUND LOW CONTROL HIGH CONTROL RIGHT VOLTAGE HIGH CONTROL LOW CONTROL LOW REFERENCE LOW CONTROL HIGH CONTROL SHORTING BAR SHORTING BAR SHORTING BAR SIGNAL SIGNAL LOW REFERENCE LOW REFERENCE STAGE 1 INFLATABLE RESTRAINT I/P MODULE (BEHIND RIGHT SIDE OF DASH) STAGE 2 TAN WIRE TAN/BLK WIRE TWISTED PAIR WIRES UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) W/ FRONT PASSENGER/ CHILD PRESENCE DETECTOR WHT WIRE YEL WIRE

AIR BAG BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER SEAT BELT SWITCH FRONT PASSENGER SEAT BELT SWITCH GRY WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN IGNITION 1 VOLTAGE INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM SENSOR INFLATABLE RESTRAINT PASSENGER SEAT BELT TENSION RETRACTOR SENSOR INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT INFLATABLE RESTRAINT SEAT POSITION SWITCH LT BLU WIRE LT GRN WIRE MEMORY SYSTEM OFF PASS SEAT BELT TENS LO REF PPS SENS LO REF PASS SEAT BELT TENS SIG GROUND PPS SENS SIG PNK 1 2 3 4 5 6 7 WIRE PNK SERIAL DATA WIRE PPL RED WIRE RIGHT INFLATABLE RESTRAINT SEAT POSITION SWITCH SPLICE PACK TAN WIRE WHT WIRE YEL WIRE