GMC Sierra 3500 (2002-2006) 12 v redf ground low ref fuel pres reg Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 GROUND 12 V REDF GROUND LOW REF FUEL PRES REG 5 VOLT REF 986 1694 433 492 TRANSMISSIONS SYSTEM A/C SYSTEM A/C SYSTEM (BLUNT CUT) A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM BARO SENS SIG 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 ENGINE SPEED SIG SOL CTRL LOW REF EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR FUEL TEMPERATURE SENSOR FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IPC/DIC FUSE HOT IN RUN LEFT I/P FUSE BLOCK BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 INFO NOT AVAIL INSTRUMENT INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CTRL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK PANEL CLUSTER WIRE PNK WIRE PNK/WHT WIRE POWER TAKE OFF RELAY POWER TAKE OFF SWITCH PPL PPL/WHT WIRE RECIRC DOOR CTRL A/C CLU RLY CTRL LIFT/DIVE SIG IND CTRL PTO ENGAGE SIG RED WIRE SEO EXC SEO STARTING/CHARGING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS) WAIT TO MIL RPM OUT WHT WIRE YEL WIRE YEL/BLK WIRE

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