GMC Sierra 3500 (2002-2006) lev sw sig pto enable Wiring diagrams

1174 488 PTO TAKE OFF SWITCH/RELAY 2524 806 1786 STARTING/CHARGING SYSTEM 28 29 30 PPL 508 84 439 440 1868 87 CRUISE CONTROL SYSTEM 632 1324 CRUISE CONTROL SYSTEM BATTERY CLASS 2 DATA CLASS 2 DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (NEXT TO OIL FILLER TUBE) ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START LEFT I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START IA HTR SPLY COOL LEV SIG IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL EOP SIG VACUUM SIG INJ 8 CTRL INJ 3 CTRL LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL 21 22 PPL LOW REF APP SENS SIG RED/BLK WIRE SPLICE PACK TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK VACUUM SENSOR WATER IN FUEL SENSOR (ATTACHED TO FUEL FILTER) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2524 806 1786 STARTING SYSTEM 28 29 PPL 508 84 439 440 1868 87 CRUISE SYSTEM 632 1324 CRUISE CONTROL SYSTEM BATTERY CLASS 2 DATA CLASS 2 DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE CRUISE SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START LEFT I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START IA HTR SPLY COOL LEV SIG IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL INJ 8 CTRL INJ 3 CTRL LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL LOW REF APP SENS SIG RED/BLK WIRE SPLICE PACK TAN WIRE TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK VACUUM SENSOR VACUUM SIG WATER IN FUEL SENSOR (ON FUEL FILTER ELEMENT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

27 28 29 PPL BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE 10 CRANKSHAFT POSITION SENSOR CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE OIL LEVEL SWITCH (LEFT REAR OF OIL PAN) ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START HOT IN RUN, START IA HTR DIAG 1 COOL LEV SIG IGN 0 FUSE IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL EOP SIG INJ 8 CTRL INJ 3 CTRL LEFT I/P FUSE BLOCK LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL 20 21 PPL LOW REF LOW REF PTO TAKE OFF SWITCH/RELAY RED/BLK WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK WATER IN-FUEL SENSOR WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2524 806 1786 STARTING SYSTEM 508 84 439 440 1868 87 CRUISE SYSTEM 632 1324 CRUISE CONTROL SYSTEM BATTERY CLASS 2 DATA CLASS 2 DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE CRUISE SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START LEFT I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START IA HTR SPLY COOL LEV SIG IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL INJ 8 CTRL INJ 3 CTRL LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL 28 29 PPL LOW REF APP SENS SIG RED/BLK WIRE SPLICE PACK TAN WIRE TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK WATER IN FUEL SENSOR (ON FUEL FILTER ELEMENT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE