GMC Sierra 2500 (2000-2004) brn Wiring diagrams

AUTO A/C AUTOMATIC TRANSMISSION BODY CONTROL MODULE BRAKE FUSE BRN WIRE CLUTCH STOPLAMP SWITCH CRUISE CONTROL MODULE POWER TAKEOFF (PTO) SWITCH CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE CRUISE PTO ELECTRONIC BRAKE CONTROL MODULE FROM IGN A FUSE (DIAGRAM 1 OF 6) FRONT AXLE ACTUATOR FUSE HTR/AC FUSE HVAC 1 FUSE HVAC CONTROL MODULE IGN 0 FUSE IGN 3 FUSE IGNITION SWITCH LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOCK OFF MAN A/C ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE PPL PNK WIRE REAR WHEEL STEERING CONTROL MODULE RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RUN WIRE STEERING WHEEL SPEED/ POSITION SENSOR SWITCH TBC IGN 0 FUSE TO AUXILIARY BATTERY RELAY (DIAGRAM 1 OF 6) TRANMISSION CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) CRANK FUSE WHT WIRE YEL WIRE

A/C COMP RELAY B/U LP FUSE BACKUP LAMP SWITCH BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.L W/O CALIFORNIA LEV FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT PANEL CLUSTER TURN SIGNAL/ MULTIFUNCTION SWITCH LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOCK OFF M/T PNK WIRE NCA WIRE PARK/NEUTRAL POSITION SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RR WPR FUSE RUN WIRE SELECTABLE RIDE SWITCH INSTRUMENT PANEL CLUSTER SEO ACCY FUSE SEO IGN FUSE SIR FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TO IGN 1 RELAY (DIAGRAM 3 OF 6) WHT WIRE WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

ABS FUSE AUDIO AMPLIFIER AUXILIARY BATTERY RELAY (RIGHT REAR OF ENGINE COMPT) BATTERY (LEFT) BATTERY (RIGHT) BATTERY (RIGHT) (W/AUX BATTERY) BLK WIRE BLUNT CUT) BODY CONTROL MODULE BRN WIRE CIG LTR FUSE CIGAR LIGHTER DATA LINK CONNECTOR DIGITAL RADIO RECEIVER RADIO DIGITAL RADIO RECEIVER REAR SEAT AUDIO (RSA) CONTROLLER DUAL GENERATOR ELECTRONIC BRAKE CONTROL MODULE EMERGENCY VEHICLE ROOF LAMP RELAY EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT LUXURY EXCEPT LUXURY EXCEPT LUXURY FROM FUSE FUSE HOLDER FUSE HOLDER AUX BATT FUSE FUSIBLE LINK GENERATOR (LEFT) GENERATOR (RIGHT) I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE IGN B FUSE LUXURY MINI FUSE MOBILE RADIO MOBILE RADIO FUSE MOBILE RADIO FUSE BLOCK MOBILE RADIO RELAY NCA WIRE NOT USED NOT USED ORG/ WIRE RADIO AMP FUSE RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER (CREW CAB) RADIO REAR WHEEL STEERING REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING FUSE RED WIRE RR WIPER FUSE EAP FUSE RTD FUSE STARTER STARTER RELAY STUD 1 FUSE STUD 2 FUSE SUNROOF FUSE TBC BATT FUSE TO IGNITION SWITCH (DIAGRAM 5 OF 6) TO IGNITION SWITCH (DIAGRAM 6 OF 6) TRAILER CONNECTOR TRAILER TOW (BLUNT CUT) UNDERHOOD JUNCTION BLOCK UPFITTER OPTION VSES/ ECAS FUSE W/AUX BATTERY W/DUAL BATTERIES WHT WIRE WRECKER RELAY

AUTO A/C AUTOMATIC TRANSMISSION BODY CONTROL MODULE BRAKE FUSE BRN WIRE CLUTCH STOPLAMP SWITCH CRUISE CONTROL MODULE POWER TAKEOFF (PTO) SWITCH CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE CRUISE PTO ELECTRONIC BRAKE CONTROL MODULE FROM IGN A FUSE (DIAGRAM 1 OF 6) FRONT AXLE ACTUATOR FUSE HTR/AC FUSE HVAC 1 FUSE HVAC CONTROL MODULE IGN 0 FUSE IGN 3 FUSE IGNITION SWITCH LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOCK OFF MAN A/C ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE PPL PNK WIRE REAR WHEEL STEERING CONTROL MODULE RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RUN WIRE STEERING WHEEL SPEED/ POSITION SENSOR SWITCH TBC IGN 0 FUSE TO AUXILIARY BATTERY RELAY (DIAGRAM 1 OF 6) TRANMISSION CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) CRANK FUSE WHT WIRE YEL WIRE

A/C COMP RELAY B/U LP FUSE BACKUP LAMP SWITCH BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.L W/O CALIFORNIA LEV FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE FUSE BLOCK MOBILE RADIO (UPFITTER OPTION) HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT PANEL CLUSTER TURN SIGNAL/ MULTIFUNCTION SWITCH LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOCK OFF M/T PNK WIRE NCA WIRE PARK/NEUTRAL POSITION SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RR WPR FUSE RUN WIRE SELECTABLE RIDE SWITCH INSTRUMENT PANEL CLUSTER SEO ACCY FUSE SEO IGN FUSE SIR FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TO IGN 1 RELAY (DIAGRAM 3 OF 6) WHT WIRE WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

1 2 8 VOICE SIGNAL VOICE LOW REF 10 11 12 13 14 15 16 AUD OUT - DRAIN WIRE ANTENNA BARE BARE DRAIN WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COAX COAX ANTENNA COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (EXCEPT STANDARD CAB) LEFT REAR SPEAKER (STANDARD CAB) LF AUD + RT AUD + LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE RADIO RADIO FUSE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) RIGHT REAR DOOR SPEAKER (EXCEPT STANDARD CAB) RIGHT REAR SPEAKER (STANDARD CAB) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) YEL WIRE

10 11 14 22 LOCK CTRL UNLOCK CTRL BATTERY SERIAL DATA BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DRIVER DOOR MODULE (INSIDE DRIVER DOOR) FRONT PASSENGER DOOR MODULE (INSIDE RIGHT FRONT PASSENGER DOOR) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (BEHIND LEFT SIDE OF DASH) IGNITION KEY ALARM SWITCH (ON IGNITION KEY CYLINDER) KEY SW KEY SW SIG UNLOCK CTRL LOCK CTRL SERIAL DATA LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LOCK ACTUATOR LOCK LOCK RELAY LOCKS FUSE LT GRN WIRE ORG/ WIRE PCM ECM (LEFT FRONT OF ENGINE COMPARTMENT) (GASOLINE) (DIESEL) PDM FUSE RIGHT I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT REAR DOOR LOCK ACTUATOR SERIAL DATA TAN WIRE TAN/BLK WIRE UNLOCK CTRL LOCK CTRL BATTERY SERIAL DATA UNLOCK DOOR LOCK SWITCH UNLOCK RELAY YEL WIRE

BRN WIRE DK BLU WIRE DRIVER MINI-WEDGE DOOR JAMB SWITCH (REAR OF DRIVER'S DOOR) GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER KEY SW LOCK ACT LT GRN WIRE ORG/ WIRE SPLICE PACK TAN WIRE TBC BATT FUSE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT)

2 3 1340 1050 BATTERY GROUND 22 14 1046 4140 CLASS 2 SERIAL DATA BATTERY 22 14 1047 4240 CLASS 2 SERIAL DATA BATTERY 4 2 1050 1240 GROUND BATTERY 8 7 4 3 PNK LOW REF MIR SIGNAL MIR SENS LOW REF MIR HTR LOW REF WIRE BLK WIRE BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER MIRROR DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC FOLDING/ TELESCOPING MOTOR FOLDING/ TELESCOPING MOTOR HORIZONTAL FRONT PASSENGER OUTSIDE REARVIEW MIRROR FRONT PASSENGER DOOR MODULE (IN RIGHT FRONT DOOR) GRY WIRE HEATING ELEMENT HEATING ELEMENT (NEAR RIGHT "A" PILLAR) HOT AT ALL TIMES HOT AT ALL TIMES LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (IN CENTER OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT UP HORIZONTAL LEFT UP VERTICAL LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE PASS- ENGER MIRROR PDM FUSE PNK WIRE PPL PPL/WHT WIRE RED WIRE RIGHT RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RT DOOR CIRCUIT BREAKER SWITCH POWER TAN WIRE VERTICAL WHT WIRE WHT/RED WIRE YEL WIRE

B+ PWR WND LOCKOUT LR SIGNAL B+ PWR WND LOCKOUT RR SIGNAL B+ VOLT BCM CLASS 2 SERIAL DATA BLK WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CREW CAB DDM CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE DRIVER WINDOW MOTOR FRONT PASSENGER DOOR MODULE FRONT PASSENGER WINDOW MOTOR GROUND GRY/BLK WIRE HOT AT ALL TIMES ILLUMINATION ILLUMINATION PWR WND MOTOR RR REAR DOWN CNTRL LEFT FRONT WINDOW LEFT I/P FUSE BLOCK (LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR LEFT WINDOW SWITCH LOGIC LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE PWR WND LOCKOUT LR SIG PWR WND LOCKOUT RR SIG PWR WND MOTOR LEFT REAR WINDOW LR REAR UP CNTRL PWR WND MOTOR LF DOWN CNTRL PWR WND MOTOR LF UP CNTRL PWR WND MOTOR LR REAR DOWN CNTRL PWR WND MOTOR RF DOWN CNTRL PWR WND MOTOR RF UP CNTRL PWR WND MOTOR RR REAR UP CNTRL RIGHT REAR WINDOW PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH LR DOWN SIGNAL PWR WND SWITCH LR UP SIGNAL PWR WND SWITCH RR DOWN SIGNAL PWR WND SWITCH RR UP SIGNAL RIGHT I/P FUSE BLOCK (RIGHT SIDE OF DASH) RIGHT REAR WINDOW MOTOR RIGHT WINDOW SWITCH RR WINDOW (CREW CAB) RT DOORS CIRCUIT BREAKER SPLICE PACK SWITCH POWER TAN WIRE WHT WIRE WINDOW DOWN WINDOW RIGHT FRONT WINDOW UP YEL WIRE