GMC Sierra 2500 HD (2002-2012) brn Wiring diagrams

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 41 46 54 57 58 59 63 72 74 75 LO REF A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT END OF DASH) BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE EXCEPT LIGHT DUTY FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LIGHT DUTY LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL ABS SYSTEM PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TCC PWM SOLENOID TRANSFER CASE) (ON TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS ADAPTER W/ TRACTION ASSIST W/O TRACTION ASSIST WHT WIRE 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

1 14 26 SUPPLY VOLTAGE SUPPLY VOLTAGE LOW REF BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BACK, CUSHION SELECT BATT + BCK, CSH SELECT BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LT DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE FRONT PASSENGER BACK HEATED SEAT ELEMENT FRONT PASSENGER CUSHION HEATED SEAT ELEMENT FRONT PASSENGER DOOR MODULE GRN WIRE GROUND GRY WIRE HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES I/P RELAY BLOCK LEFT I/P FUSE BLOCK LOW HEAT IND LOW HEAT INDICATOR LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MED HEAT IND MED HEAT INDICATOR MEMORY SEAT MODULE (UNDERSIDE OF LEFT FRONT SEAT) MEMORY/HEATED SEAT SWITCH ORG/ WIRE PDM FUSE PNK WIRE PPL RED WIRE RED/WHT WIRE RIGHT I/P FUSE BLOCK RT DOORS CIRCUIT BREAKER SEATS CIRCUIT BREAKER SERIAL DATA SWITCH POWER TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BRN WIRE DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REARVIEW MIRROR DRIVER POWER WINDOW/ DOOR LOCK SWITCH FUSE BLOCK GRN WIRE HEATING ELEMENT HOT AT ALL TIMES MIR/ LOCK FUSE LEFT LEFT RIGHT LEFT/ RIGHT MOTOR LT GRN WIRE MEMORY SYSTEMS NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL PPL/WHT WIRE RED WIRE RIGHT UP/ DOWN MOTOR WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER WINDOW MOTOR DRIVER WINDOW/ DOOR LOCK SWITCH RIGHT UP RIGHT DOWN HOT IN ACC, RUN, BULB TEST, START, WITH RAP RELAY ENERGIZED LEFT DOWN LEFT I/P FUSE BLOCK (LEFT SIDE OF I/P) LEFT UP PASSENGER WINDOW MOTOR PASSENGER WINDOW/ DOOR LOCK SWITCH PWR WDO CIRCUIT BREAKER RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) SPLICE PACK TAN WIRE UP DOWN WDO DN RELAY WDO UP RELAY

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK DK PPL DK GRN WIRE DOWN DOWN UP DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH GRN WIRE HOT IN ACC, RUN, BULB TEST OR W/RAP RELAY ENERGIZED LEFT FRONT DOWN LEFT FRONT UP LEFT I/P FUSE BLOCK (LEFT SIDE OF I/P) LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCKOUT LT GRN WIRE PPL PPL DK PWR WDO CIRCUIT BREAKER RIGHT FRONT DOWN RIGHT FRONT UP LEFT REAR DOWN LEFT REAR UP RIGHT I/P FUSE BLOCK (RIGHT SIDE OF I/P) RIGHT REAR UP RIGHT REAR DOWN RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH SPLICE PACK TAN WIRE WINDOW DOWN RELAY WINDOW UP RELAY

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER RR (-) TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BODY RELAY BLOCK BRN WIRE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RR (-) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RADIO ON SIG DIM SIG IN DRAIN RT OUTPUT RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE INTERFACE UNIT (IN THE RIGHT SIDE OF I/P NEAR THE INSTRUMENT CLUSTER) VSS SIGNAL YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR (ON LEFT LOWER DASH BELOW THE STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VSS SIGNAL YEL WIRE