GMC Sierra 2500 HD (2002-2012) ign e fuse Wiring diagrams

ANTI-LOCK BRAKE SYSTEM AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BATTERY NOT CHARGING BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL COMPUTER DATA LINES DK BLU WIRE DK GRN WIRE DRIVER INFO CENTER FUSIBLE LINK 1 (8 GA- FUSIBLE LINK 5 (5 GA- FUSIBLE LINK 6 (5 GA- GENERATOR GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER LASS 2 SERIAL DATA LEFT BATTERY LOGIC MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT) RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 STARTER UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) VOLTS W/ SEO W/AUX BATTERY W/DUAL BATTERIES W/O SEO WRECKER OPTION

A/C COMP RELAY A/T M/T AIRBAG FUSE B/U LP FUSE BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.1L W/O CALIFORNIA LEV FROM IGN 1 RELAY (DIAGRAM 3 OF 6) FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR BANK 1 BANK 2 SENSOR 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT INSTRUMENT TURN SIGNAL/ PANEL MULTIFUNCTION CLUSTER SWITCH LOCK OFF MOBILE RADIO FUSE BLOCK (UPFITTER OPTION) NCA WIRE PARK/NEUTRAL BACKUP POSITION LAMP SWITCH SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RELAY RR WPR FUSE RUN WIRE SELECTABLE PANEL RIDE SWITCH CLUSTER SEO ACCY FUSE SEO IGN FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

A/C COMP RELAY A/T M/T AIRBAG FUSE B/U LP FUSE BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.1L W/O CALIFORNIA LEV FROM IGN 1 RELAY (DIAGRAM 3 OF 6) FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR BANK 1 BANK 2 SENSOR 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT INSTRUMENT TURN SIGNAL/ PANEL MULTIFUNCTION CLUSTER SWITCH LOCK OFF MOBILE RADIO FUSE BLOCK (UPFITTER OPTION) NCA WIRE PARK/NEUTRAL BACKUP POSITION LAMP SWITCH SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RELAY RR WPR FUSE RUN WIRE SELECTABLE PANEL RIDE SWITCH CLUSTER SEO ACCY FUSE SEO IGN FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IN BRAKE IND BRN WIRE BRN/WHT WIRE CLUTCH START SWITCH (M/T) (TOP OF CLUTCH CLUTCH ASSY) DEL TORQUE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE HOT IN RUN OR START IGN E FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) DELIVERED TORQUE INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) ORG/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL IND (IF EQUIPPED) TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM (TRANSFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUT YEL WIRE YEL/BLK WIRE

59 33 (DIESEL) (GAS) ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE CLUTCH START SWITCH (TOP OF CLUTCH CLUTCH ASSY) CPP SW SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN E FUSE IGNITION INSTRUMENT CLUSTER LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT LEFT FRONT WHEEL SPEED SENSOR LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE LOGIC LT BLU WIRE LT GRN/BLK WIRE M/T ONLY NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) PNK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TCC BRAKE SW TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM (TRASFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUTPUT YEL WIRE YEL/BLK WIRE

59 33 (DIESEL) (GAS) ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IN BRAKE IND BRN WIRE BRN/WHT WIRE CLUTCH START SWITCH (TOP OF CLUTCH CLUTCH ASSY) DEL TORQUE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE HOT IN RUN OR START IGN E FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) DELIVERED TORQUE ILLUM LAMP INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE M/T ONLY NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) ORG/BLK WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM (TRASFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUT YEL WIRE YEL/BLK WIRE

5.3L W/DUAL BATTERIES AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL COMPUTER DATA LINES DK BLU WIRE DK GRN WIRE FUSIBLE LINK FUSIBLE LINK (8.1L ONLY) GENERATOR B+ GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT BATTERY LOGIG PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 SPLICE PACK STARTER SOLENOID SUPPLEMENTAL BRAKE ASSIST (SBA) PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) W/ SEO W/AUX BATTERY W/O SEO

A/C COMP RELAY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C HIGH PRESSURE RECIRCULATION SWITCH (IN A/C MUFFLER HOSE) A/C HIGH PRESSURE SWITCH (REAR OF COMPRESSOR) A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C REQUEST A/C SWITCH AIR TEMPERATURE ACTUATOR (BOTTOM CENTER OF BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RELAY ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BLOWER RELAY BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE CTRL RECIRC DOOR DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRT HVAC FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL ASSEMBLY HVAC CONTROL MODULE (BEHIND CENTER OF DASH) IGN E FUSE LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOW OFF LT BLU WIRE MODE ACTUATOR (LEFT SIDE OF HVAC MODULE) ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE OF ENGINE COMPT) PPL PRESS SW A/C HIGH REAR DEFOG RLY IGN 3 VOL A/C REQUEST ACT POS SIG RECIRCULATION ACTUATOR (TOP OF HVAC MODULE) RED WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE YEL WIRE

11 11 17 17 (GASOLINE) (DIESEL) A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C HIGH PRESS SW A/C HIGH PRESSURE RECIRCULATING SWITCH (IN A/C MUFFLER HOSE) A/C HIGH PRESSURE SWITCH (REAR OF COMPRESSOR) A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C REQUEST A/C SWITCH AIR TEMPERATURE ACTUATOR (BOTTOM CENTER OF BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BLOWER RELAY BRN WIRE DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRT HVAC FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC MODULE IGN E FUSE LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LO OFF LT BLU WIRE MODE ACTUATOR (LEFT SIDE OF HVAC MODULE) ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL REAR DEFOG RLY IGN 3 VOL A/C REQUEST ACT POS SIG RECIRC DOOR CTRL RECIRCULATION ACTUATOR (TOP OF HVAC MODULE) RED WIRE RELAY CTRL A/C COMP RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE YEL WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE CONTROL BRN WIRE BRN/WHT WIRE CLASS II DATA AXLE CTRL AWD IND 4-LO IND 4-HI IND CONTROL MODULE CTRL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER LOW GROUND ENCODER SIG EXCEPT SEO FRONT AXLE ACTUATOR FRONT PROPSHAFT SPEED SENSOR FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) SEO IGN FUSE I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LOCK SOL CTRL 2-HI IND NEUTRAL IND LOGIC LT BLU WIRE LT GRN/BLK WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL FT SHAFT LO FT SHAFT HI PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR RED WIRE RR SHAFT HI RR SHAFT LO RUN WIRE SEO SHIFT MOTOR SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE