Chevrolet Silverado 3500 (2002-2006) starting system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 GROUND EGR SOL 12 V REDF GROUND LOW REF FUEL PRES REG 5 VOLT REF A/C SYSTEM A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKE SYSTEM BARO SENS MAF SENS BLK/WHT WIRE BLU WIRE BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR EGR VALVE VALVE VENT THROTTLE SOLENOID SOLENOID EGR VALVE SOLENOID ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE SPEED FUEL PRES REG LOW REF F PMP RLY CTRL ENGINE SPD A/C HI PRES APP SENS 3 FUEL LEV SENS FUEL RAIL PRESSURE REGULATOR FUEL TEMPERATURE SENSOR (UNDER UPPER INTAKE SHIELD) FUSE GLOW PLUG RLY GRY WIRE GRY/BLK WIRE HOT IN RUN BRAKE FUSE HOT IN RUN, START IA HTR INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) INSTRUMENT PANEL CLUSTER LEFT I/P FUSE BLOCK LOW REF APP SENS 1 FUEL TEMP SIG LOW REF FP SENS TCC BRAKE LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RECIRC DOOR A/C CLU RLY RED WIRE SOUND SYSTEM STARTING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANS. SYSTEM TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS) VEHICLE SPEED SENSOR ADAPTER WAIT TO RPM OUT WAIT TO START WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GROUND 12 V REDF GROUND LOW REF FUEL PRES REG 5 VOLT REF A/C SYSTEM A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKE SYSTEM BARO SENS MAF SENS BLK/WHT WIRE BLU WIRE BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE SPEED FUEL PRES REG LOW REF F PMP RLY CTRL ENGINE SPD A/C HI PRES APP SENS 3 FUEL LEV SENS FUEL RAIL PRESSURE REGULATOR FUEL TEMPERATURE SENSOR (UNDER UPPER INTAKE SHIELD) FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT IN RUN BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) INSTRUMENT PANEL CLUSTER LEFT I/P FUSE BLOCK LOW REF APP SENS 1 FUEL TEMP SIG LOW REF FP SENS TCC BRAKE LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CTRL NCA WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK WIRE PPL PPL/WHT WIRE RECIRC DOOR A/C CLU RLY RED WIRE SOUND SYSTEM STARTING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANS. SYSTEM TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS) VEHICLE SPEED SENSOR ADAPTER VSS VSS IAT SENS GEN F TCM MIL FUEL LEV SENS A/C LOW WAIT TO RPM OUT WAIT TO START WHT WIRE YEL WIRE YEL/BLK WIRE

400 (OR 821) A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM A/T ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLU RLY CTRL CLUTCH SW AXLE SW SIG VSS LOW SIG VSS HIGH SIG CRANK FUSE CTRL DELIVERED TORQ DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANP CTRL EVAP VENT CTRL MIL CTRL EXC SEO FUEL LEV SENS FUEL PRESS SIG FUSE GEN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND IGNITION COILS INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE M/T MAF SIG MAP SIG MIL REQUEST NCA WIRE ORG/ WIRE ORG/BLK WIRE PMP RLY CTRL RPM OUT PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL FUEL LEV SIG PPL PNK PNK WIRE PPL/WHT WIRE PRESS SENS SIG IND CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW REF LOW PRESS SENS SIG CRANK VOLT REF LOW REF LOW RPM OUT SEO SPARK PLUG SPARK PLUG SPARK PLUG STARTING SYSTEM STARTING SYSTEM TRANSMISSIONS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS- MISSION CONTROL MODULE UNDER- HOOD FUSE BLOCK VSS OUT VSS OUT WHT WIRE YEL (OR PPL/WHT) WIRE YEL WIRE YEL/BLK WIRE