Chevrolet Silverado 1500 (2000-2012) gry 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 4 LO 4 SPEED TRANSMISSION 4-HI IND 4-LO IND 4.3L 5 VOLT INCRMT ENCODER SIG 6 SPEED TRANSMISSION (ALLISON) ACCY WAKEUP SRL DATA AUX HVAC-IGN FUSE 50 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CTRL 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) (TOP LEFT REAR OF ENG) FUSE 30 GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG 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 INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU 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 OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL PPL/WHT WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) 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) W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE

1225 1984 772 TFP SW B SIG LOW REF TR SW B SIG 2-3 SHIFT SOL 2501 2500 776 1228 821 6311 HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) 3-2 SHIFT SOL 6399 2501 2500 REPLICATED TOS SIG HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) 771 2762 2139 1840 1226 TR SW A SIG LOW REF IGN 1 VOLT BATTERY TFP SW C SIG 773 1224 422 TR SW C SIG TFP SW A SIG TCC SOL VALVE CTRL PNK WIRE 822 1229 VSS LOW PC SOL LOW ACC WAKE UP DATA BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FUSE 20 GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC IGN FUSE 44 ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK 9 10 WIRE PNK WIRE PPL/WHT WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP/CHMSL FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 TFT SENS SIG TR SW P SIG PC SOL HI VSS HI SIG BRK SW SIGN TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMP, NEAR FAN SHROUD) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON TRANSMISSION TAILSHAFT) W/O WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID (2-3 SS) VALVE 3-2 SHIFT SOLENOID (3-2 SS) VALVE 4.3L AUTOMATIC TRANSMISSION (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 4.3L GRY WIRE HAUL HI SPD GMLAN IND INPUT SPEED SENSOR (ISS) INSTRUMENT PANEL CLUSTER LO GM GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL IND. CTRL MIL SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 9 10 WIRE PNK WIRE PPL PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REPLICATED TOS SIGN REV TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION (TCC PWM) SOLENOID VALVE TOW TOW/ HAUL SWITCH TOW/HAUL SW SIG WHT 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 4.3L 5 VOLT INCRMT ENCODER SIG 6 SPEED TRANSMISSION (ALLISON) ACCY WAKEUP SRL DATA AUX HVAC-IGN FUSE 50 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CTRL 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) (TOP LEFT REAR OF ENG) FUSE 30 GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG 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 INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU 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 OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL PPL/WHT WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) 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) W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE

1225 1984 772 TFP SW B SIG LOW REF TR SW B SIG 2-3 SHIFT SOL 2501 2500 776 1228 821 6311 HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) 3-2 SHIFT SOL 6399 2501 2500 REPLICATED TOS SIG HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) 771 2762 2139 1840 1226 TR SW A SIG LOW REF IGN 1 VOLT BATTERY TFP SW C SIG 773 1224 422 TR SW C SIG TFP SW A SIG TCC SOL VALVE CTRL PNK WIRE 822 1229 VSS LOW PC SOL LOW ACC WAKE UP DATA BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FUSE 20 GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC IGN FUSE 44 ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK 9 10 WIRE PNK WIRE PPL/WHT WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP/CHMSL FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 TFT SENS SIG TR SW P SIG PC SOL HI VSS HI SIG BRK SW SIGN TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMP, NEAR FAN SHROUD) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON TRANSMISSION TAILSHAFT) W/O WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID (2-3 SS) VALVE 3-2 SHIFT SOLENOID (3-2 SS) VALVE 4.3L AUTOMATIC TRANSMISSION (LEFT FRONT OF ENG COMPT, NEAR FAN SHROUD) AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 4.3L GRY WIRE HAUL HI SPD GMLAN IND INPUT SPEED SENSOR (ISS) INSTRUMENT PANEL CLUSTER LO GM GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL IND. CTRL MIL SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 9 10 WIRE PNK WIRE PPL PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REPLICATED TOS SIGN REV TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION (TCC PWM) SOLENOID VALVE TOW TOW/ HAUL SWITCH TOW/HAUL SW SIG WHT 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 4.3L 5 VOLT INCRMT ENCODER SIG 6 SPEED TRANSMISSION (ALLISON) ACCY WAKEUP SRL DATA AUX HVAC-IGN FUSE 50 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CTRL 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) (TOP LEFT REAR OF ENG) FUSE 30 GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG 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 INSTRUMENT PANEL CLUSTER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU 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 OUTSIDE MOISTURE SENSOR (NEAR INSIDE REAR VIEW MIRROR) PNK WIRE PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL PPL/WHT WIRE RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) 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) W/ OUTSIDE MOISTURE SENSOR W/O OUTSIDE MOISTURE SENSOR WHT WIRE WHT/GRN WIRE WHT/TAN WIRE YEL WIRE