GMC Sierra 1500 (2000-2012) pulse sig Wiring diagrams

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4-HI IND 4-LO IND 7 CM FROM MAIN HARNESS ASSEMBLY) ACCY WAKEUP SRL DATA AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 19 FUSE 13 GAS DIESEL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN IGN GND LOGIC DATA IGN REARVIEW MIRROR MOUNT) INCRMT ENCODER DIRECTN SIG INSTRUMENT CLUSTER PANEL (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOW REF ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND ORG/ WIRE ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SER SHIFT MOTOR LOGIC TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE 2/4 WHEEL DRIVE ACTUATOR POSITION SENSOR (ON TRANSFER CASE) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WINDSHIELD OUTSIDE MOISTURE SENSOR (NEAR INSIDE YEL WIRE YEL/BLK WIRE

2-HI IND 4-HI IND 4-LO IND 7 CM FROM MAIN HARNESS ASSEMBLY) ACCY WAKEUP SRL DATA AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 19 FUSE 13 GAS DIESEL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN IGN GND LOGIC DATA IGN REARVIEW MIRROR MOUNT) INCRMT ENCODER DIRECTN SIG INSTRUMENT CLUSTER PANEL (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOW REF ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND ORG/ WIRE ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SER SHIFT MOTOR LOGIC TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE 2/4 WHEEL DRIVE ACTUATOR POSITION SENSOR (ON TRANSFER CASE) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WINDSHIELD OUTSIDE MOISTURE SENSOR (NEAR INSIDE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

2-HI IND 4 HI 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 6 SPEED TRANSMISSION (ALLISON) AUTO AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT LOCK SOL CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 30 GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC AND RUN HOT IN RUN OR START HOT W/ RUN/CRNK RELAY ENERGIZED IGN INCRMT ENCODER DIRECTN SIG INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 44 MTR CTRL B MTR CTRL A BATT + GND NEUT NEUTRAL IND NEUTRAL IND 2 HI IND CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) ROTATIONAL POSITION SENSOR (ON TRANSFER CASE) SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) TREC FUSE 69 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) AUX HVAC-IGN FUSE 50 W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HALL A SIG HALL B SIG SENS GND POS 2 SIG 5 VOLT REF B+ VOLT B+ VOLT SERIAL DATA BASE BASE CASE GND GND B+ VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CASE GROUND COMPUTER DATA LINES SYSTEM CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GRY WIRE HALL A SIG HALL B SIG SENS GND HALL C SIG HALL C SIG RLY VOLT SENS GND POS 1 SIG 5 VOLT REF HOT AT ALL TIMES HOT IN HOT IN RUN LEFT I/P FUSE BLOCK IGN 3 FUSE I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT CLUSTER SYSTEM LOW REF LT BLU WIRE LT GRN WIRE MEGA FUSE MODE IND CTRL LAT ACCEL SIG ORG/ WIRE PHASE A CTRL PHASE B CTRL PHASE C CTRL PNK PNK WIRE PNK WIRE POS A SIG POS B SIG POWER DISTRIBUTION SYSTEM PPL PULSE SIG REAR WHEEL POSITION SENSOR (LEFT REAR OF VEHICLE) REAR WHEEL STEERING CONTROL MODULE (NEAR SPARE TIRE BRACKET) REAR WHEEL STEERING MODE SELECT SWITCH RED WIRE RLY GND RUN WIRE SENS SIG STEERING GEAR MOTOR ASSEMBLY (NEAR SPARE TIRE BRACKET) STEERING WHEEL SPEED/ POSITION SENSOR (ON STEERING COLUMN) TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE HOLDER VSS IGN 3 VOLT YAW SENS SIG MODE SW SIG WHT WIRE YEL WIRE

2-HI IND 4-HI IND 4-LO IND 5 VOLT INCRMT ENCODER IMPULSE SIG 7 CM FROM MAIN HARNESS ASSEMBLY) ACCY WAKEUP SRL DATA AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 19 FUSE 13 GAS DIESEL GND ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN IGN LOGIC INCRMT ENCODER DIRECTN SIG INSTRUMENT CLUSTER PANEL (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND NEUTRAL IND 2 HI IND CTRL LOCK SOL CTRL ORG/ WIRE ORG/WHT WIRE OUTSIDE MOISTURE SENSOR (NEAR INSIDE REARVIEW MIRROR MOUNT) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SHIFT MOTOR LOGIC TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE 2/4 WHEEL DRIVE ACTUATOR POSITION SENSOR TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE