GMC Sierra 2500 (2000-2004) body junction block Wiring diagrams

BLK WIRE BLU WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY JUNCTION BLOCK BODY RELAY (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BODY RELAY BLOCK BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) CARGO LAMP CARGO LP SW DOME LP SW DOME LP DFT CARGO/ FOG LAMP SWITCH CONSOLE COURTESY LAMP (SIERRA DENALI) COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH DRIVER DOOR COURTESY LAMP GAS DIESEL GRY WIRE GRY/BLK WIRE HEADLAMP DIMMER SWITCH HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INADVERT RLY INADVERTENT POWER RELAY LEFT I/P COURTESY LAMP LEFT I/P FUSE BLOCK LEFT REAR DOOR COURTESY LAMP (CREW CAB) LEFT VANITY MIRROR LAMP OFF ON ORG/ WIRE OVERHEAD CONSOLE PPL READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT I/P FUSE BLOCK RIGHT REAR DOOR COURTESY LAMP (CREW CAB) RIGHT VANITY MIRROR LAMP TO BODY RELAY BLOCK (DIAGRAM 2 OF 2) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UNDERHOOD LAMP WHT WIRE

BLK/WHT WIRE BODY JUNCTION BLOCK BODY RELAY BLOCK BODY RELAY BLOCK (UNDER LEFT SIDE) CLASS 2 DATA LAMP VOLTAGE BATTERY VSS RAP VOLT DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER GROUND GRY WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) RADIO FUSE HOT IN RUN AND START HOT IN RUN, START OR W/ RAP ENERGIZED IGN 1 FUSE INSTRUMENT PANEL CLUSTER INTERIOR LIGHTS SYSTEM 8 340 LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) ORG/ WIRE PNK IGN 1 VOLT WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL DATA LINK CONNECTOR (BELOW STEERING COLUMN) RDO 1 FUSE UNDERHOOD JUNCTION BLOCK VSS VSS OUT WHT WIRE YEL WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE VALVE (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE BLOCK GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START 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 ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PNK PNK 25 26 27 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE VALVE (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE BLOCK GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START 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 ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PNK PNK 25 26 27 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE