Chevrolet Silverado 3500 (2002-2006) 5 volt ref Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HALL A SIG HALL B SIG SENS GND POS 2 SIG 5 VOLT REF B+ VOLT B+ VOLT SERIAL DATA BASE BASE CASE GND GND B+ VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CASE GROUND COMPUTER DATA LINES SYSTEM CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GRY WIRE HALL A SIG HALL B SIG SENS GND HALL C SIG HALL C SIG RLY VOLT SENS GND POS 1 SIG 5 VOLT REF HOT AT ALL TIMES HOT IN HOT IN RUN LEFT I/P FUSE BLOCK IGN 3 FUSE I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT CLUSTER SYSTEM LOW REF LT BLU WIRE LT GRN WIRE MEGA FUSE MODE IND CTRL LAT ACCEL SIG ORG/ WIRE PHASE A CTRL PHASE B CTRL PHASE C CTRL PNK PNK WIRE PNK WIRE POS A SIG POS B SIG POWER DISTRIBUTION SYSTEM PPL PULSE SIG REAR WHEEL POSITION SENSOR (LEFT REAR OF VEHICLE) REAR WHEEL STEERING CONTROL MODULE (NEAR SPARE TIRE BRACKET) REAR WHEEL STEERING MODE SELECT SWITCH RED WIRE RLY GND RUN WIRE SENS SIG STEERING GEAR MOTOR ASSEMBLY (NEAR SPARE TIRE BRACKET) STEERING WHEEL SPEED/ POSITION SENSOR (ON STEERING COLUMN) TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE HOLDER VSS IGN 3 VOLT YAW SENS SIG MODE SW SIG WHT WIRE YEL WIRE

5 VOLT REF 5.3L FLEX FUEL BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA COMPUTER DATA LINES DIESEL DIESEL GAS DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE DK PPL ENG SPEED SIG ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (ON OIL PAN) ENGINE OIL PRESSURE SENSOR (REAR OF ENGINE) EXC LUXURY LUXURY EXCEPT 5.3L FLEX FUEL FUEL LEV SENS FUEL LEVEL SENSOR (PRIMARY) (INSIDE FUEL TANK) FUEL LEVEL SENSOR (SECONDARY) (INSIDE FUEL TANK) GAS GRN WIRE GRY WIRE I/P RELAY BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LOW REF LOWER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOWER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY MIL CTRL NCA WIRE OIL LEV SW SIG OIL PRES SIG ORG/ WIRE PERSONAL- IZATION POWERTRAIN CONTROL MODULE (PCM) (GAS) (ON LEFT FRONT OF ENGINE COMPT) PPL PPL (OR PPL/WHT) WIRE PPL FUEL LEV SENS RADIO SBA SIG SELECT STARTING/CHARGING SYSTEM TAN/WHT WIRE TRIP INFO FUEL INFO VSS W/ DUAL TANK W/O DUAL TANK WAIT TO START WATER IN FUEL (WIF) SENSOR (ON FUEL FILTER ELEMENT) WHT WIRE WIF IND YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HALL A SIG HALL B SIG SENS GND POS 2 SIG 5 VOLT REF B+ VOLT B+ VOLT SERIAL DATA BASE BASE CASE GND GND B+ VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CASE GROUND COMPUTER DATA LINES SYSTEM CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GRY WIRE HALL A SIG HALL B SIG SENS GND HALL C SIG HALL C SIG RLY VOLT SENS GND POS 1 SIG 5 VOLT REF HOT AT ALL TIMES HOT IN HOT IN RUN LEFT I/P FUSE BLOCK IGN 3 FUSE I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT CLUSTER SYSTEM LOW REF LT BLU WIRE LT GRN WIRE MEGA FUSE MODE IND CTRL LAT ACCEL SIG ORG/ WIRE PHASE A CTRL PHASE B CTRL PHASE C CTRL PNK PNK WIRE PNK WIRE POS A SIG POS B SIG POWER DISTRIBUTION SYSTEM PPL PULSE SIG REAR WHEEL POSITION SENSOR (LEFT REAR OF VEHICLE) REAR WHEEL STEERING CONTROL MODULE (NEAR SPARE TIRE BRACKET) REAR WHEEL STEERING MODE SELECT SWITCH RED WIRE RLY GND RUN WIRE SENS SIG STEERING GEAR MOTOR ASSEMBLY (NEAR SPARE TIRE BRACKET) STEERING WHEEL SPEED/ POSITION SENSOR (ON STEERING COLUMN) TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE HOLDER VSS IGN 3 VOLT YAW SENS SIG MODE SW SIG WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 GROUND EGR SOL CTRL 12 V REF 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 SIG BLK/WHT 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 SIG SOL CTRL LOW REF EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR FUEL TEMPERATURE SENSOR (UNDER UPPER INTAKE SHIELD) 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 CLUSTER SYSTEM (FUEL LEVEL) LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK INSTRUMENT PANEL CLUSTER WIRE PNK PNK 13 14 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 13 14 15 16 17 18 19 20 21 GROUND EGR SOL CTRL 12 V REF GROUND LOW REF FUEL PRES REG 5 VOLT REF A/C SYSTEM A/C SYSTEM (BLUNT CUT) A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM BARO SENS SIG MAF SENS SIG BLK/WHT 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 THROTTLE VALVE VACUUM CONTROL SOLENOID EGR VALVE VACUUM CONTROL SOLENOID EGR VACUUM VENT SOLENOID ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE SPEED SIG SOL CTRL LOW REF EXC SEO EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR (ON FUEL RAIL) FUEL TEMPERATURE SENSOR FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 IND CTRL PTO ENGAGE SIG PPL INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK PNK 14 15 WIRE PNK WIRE PPL PPL/WHT WIRE RECIRC DOOR CTRL A/C CLU RLY CTRL RED WIRE SEO STARTING/CHARGING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSMISSIONS SYSTEM 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 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 13 14 15 16 17 18 19 20 21 GROUND 12 V REF GROUND LOW REF FUEL PRES REG 5 VOLT REF A/C SYSTEM A/C SYSTEM (BLUNT CUT) A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM BARO SENS SIG MAF SENS SIG BLK/WHT 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 SIG SOL CTRL LOW REF EXC SEO EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR (ON FUEL RAIL) FUEL TEMPERATURE SENSOR FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 IND CTRL PTO ENGAGE SIG PPL INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CTRL ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK WIRE PPL PPL/WHT WIRE RECIRC DOOR CTRL A/C CLU RLY CTRL RED WIRE SEO STARTING/CHARGING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSMISSIONS SYSTEM 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