GMC Sierra 1500 (2000-2012) hot at all times Wiring diagrams

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP CARGO LAMP SWITCH CARGO LP SW DOME LP SW RT DR JAMB LT DOOR JAMB DOME LP DFT COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES INADVERT RLY INADVERTANT POWER RELAY LEFT I/P COURTESY LAMP LEFT MINI WEDGE (DOOR JAMB SWITCH) RIGHT POWER DOOR LOCK SWITCH NOT USED NOT USED ORG/ WIRE PPL RIGHT I/P COURTESY LAMP RIGHT MINI WEDGE (DOOR JAMB SWITCH) TAN WIRE UNDERHOOD LAMP ASSEMBLY OFF ON WHT WIRE

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP CARGO LAMP SWITCH CARGO LP SW DOME LP SW DR HANDLE SW LT DOOR JAMB DOME LP DFT COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY RT DOOR JAMB LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P WIRING HARNESS JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INADVERT RLY INADVERTENT POWER RELAY LEFT FRONT DOOR COURTESY LAMP LEFT I/P COURTESY LAMP LEFT MINI WEDGE (DOOR JAMB SWITCH) LEFT POWER WINDOW/DOOR LOCK SWITCH LT GRN WIRE LT GRN/BLK WIRE OFF ORG/ WIRE PPL READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT MINI WEDGE (DOOR JAMB SWITCH) TAN WIRE UNDERHOOD LAMP ASSEMBLY WHT WIRE

4-DOOR 2-DOOR B/U LPS FUSE BACK BLK WIRE BODY WIRING HARNESS JUNCTION BLOCK BRN WIRE BTSI FUSE DRIVER POWER SEAT SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK FORWARD/ REARWARD MOTOR FRONT TILT MOTOR FRT DN FRT UP FUSE BLOCK HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN IGN 3 FUSE LEFT POWER WINDOW/ DOOR LOCK SWITCH LT GRN WIRE LT GRN/BLK WIRE MEMORY SEAT MODULE (UNDERSIDE OF DRIVER'S SEAT) MEMORY SEAT SWITCH MIR/LOCK FUSE NCA WIRE ORG/ WIRE PARK SW IN PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK WIRE PPL RCL 1 RCL 1 SW RCL 2 RCL 2 SW RCL BACK RCL FWD REAR DN REAR TILT MOTOR REAR UP RECLINER MOTOR SEATS CIRCUIT BREAKER SET SW SET- SHIFT INTERLOCK SYSTEM WHT WIRE

AUTO HEAD BLK WIRE BLU WIRE BODY JUNCTION BLOCK (LEFT SIDE OF DASH) BODY JUNCTION BLOCK (LEFT SIDE OF DASH) RIGHT FRONT MARKER LAMP BRN WIRE CENTER HIGH MOUNT STOP LAMP/ CARGO LAMP DK CLEAR- ANCE LAMPS 3 BULBS ROOF MARKER LAMPS CRUISE CONTROL SYSTEM DK BLU WIRE FUSE BLOCK (LOWER LEFT SIDE OF DASH) FUSE BLOCK (UNDER LEFT SIDE OF DASH) TURN FUSE GRN WIRE GRY WIRE HAZ LP FUSE HAZARD NORMAL HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) INSTRUMENT CLUSTER BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) LT INT PRK FUSE LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN LAMP LEFT LICENSE LAMP LEFT TAIL/ STOP- LAMP RIGHT TAIL/ STOP- LAMP LEFT OUTSIDE POWER MIRROR LEFT TURN IN LEFT TURN IND RIGHT TURN IND LT BLU WIRE LT DK LT DK TRAILER WIRING PROVISION LT LT LT LT DK DK LT PNK WIRE LT TURN FUSE FR PRK FUSE NCA WIRE ORG/ WIRE PARK PARK LAMP RELAY PARK LPS FUSE PNK WIRE PPL PUDDLE LAMP RELAY REAR LAMPS JUNCTION BLOCK (FRONT OF REAR BUMPER, ON CROSS- MEMBER) RIGHT FRONT PARK/ TURN LAMP RIGHT LEFT RIGHT LICENSE LAMP RIGHT OUTSIDE POWER MIRROR RIGHT REAR TURN LAMP LEFT REAR TURN LAMP RIGHT TURN IN PARK RLY CTRL PUDDLE RLY CTRL ROOF BEACON PROVISION ROOF BEACON RELAY (LEFT "B" PILLAR) ROOF BEACON SWITCH RR PRK FUSE RT TURN FUSE CHMSL FUSE SEO 1 FUSE SEO 2 FUSE STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) STOP LPS FUSE SEO 1 FUSE THROTTLE ACTUATOR CONTROL MODULE TRAILER CIRCUIT TURN/ HAZARD SWITCH TURN/HAZARD FLASHER UNDERHOOD JUNCTION BLOCK (LEFT SIDE OF ENG COMPT, NEAR BATTERY) UPLEVEL BASE VEH STOP FUSE LR PRK FUSE WHT WIRE YEL WIRE

AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRAKE SW SIG DRL RELAY BRN WIRE DAYTIME RUNNING LAMPS (DRL) RELAY DK BLU WIRE DK DK DK GRN/WHT WIRE DRL FUSE EXTERIOR LAMPS SYSTEM (PARK LAMP RELAY) FLASH TO PASS FOG LAMP RELAY FOG LAMP SWITCH FOG LP RELAY FTP IN HIGH BEAM FOG LP SW FTP IN AL SENS SIG AL SENS REF FOG LPS FUSE GASOLINE DIESEL GRN WIRE GRY WIRE HEAD HEADLAMP DIMMER SWITCH HEADLAMP RELAY HOT AT ALL TIMES HOT IN RUN OR START IGNE FUSE LEFT DAYTIME RUNNING LAMP RIGHT DAYTIME RUNNING LAMP LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LT BLU WIRE LT GRN/BLK WIRE LT HDLP FUSE NCA WIRE ON INDICATOR ORG/ WIRE PARK AUTO PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PICKUPS UTILITIES PPL PPL HIGH PPL PPL PPL/ PPL/ PPL/ RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HDLP FUSE SPLICE TBC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2 3 4 PPL AIR MAXI FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP/ LEVEL SENSOR (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES HOT IN RUN, START IGN E FUSE KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK PPL 6 7 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION REACTION PUMP (RIGHT REAR OF ENGINE COMPT) SECONDARY AIR INJECTION REACTION RELAY (RIGHT REAR OF ENGINE COMPARTMENT) SECONDARY AIR INJECTION REACTION SOLENOID (RIGHT REAR OF ENGINE COMPT) TAN WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

1 2 3 4 5 6 PNK WIRE 3-2 SS SENS RTN ANTI-LOCK BRAKE SYSTEM B+ CLS 2 DATA CLS 2 DATA SENS GND REF LOW BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/RED WIRE COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE ELECTRONIC SUSPENSION SYSTEM FUSE BLOCK IGN 0 FUSE FUSE FUSE GND GND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INJA FUSE FUSE INJB FUSE INJECTORS KS SIGNAL KS SIGNAL CKP REQ TORQUE SERIAL DATA SERIAL DATA LIFT/DIVE SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK PNK WIRE PNK PPL 7 8 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL SENS GND PPL/WHT WIRE PRND A BRK SW PRND P CLUTCH SW PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE SENS GND SENS GND SENS GND EGR INPUT TAN WIRE TAN/WHT WIRE UNDERHOOD JUNCTION BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 PNK WIRE 2 3 4 PPL AIR MAXI FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP/ LEVEL SENSOR (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES HOT IN RUN, START IGN E FUSE KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK PPL 7 8 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION REACTION PUMP (RIGHT REAR OF ENGINE COMPT) SECONDARY AIR INJECTION REACTION RELAY (RIGHT REAR OF ENGINE COMPARTMENT) SECONDARY AIR INJECTION REACTION SOLENOID (RIGHT REAR OF ENGINE COMPT) TAN WIRE TAN/WHT WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

3-2 SS SENS RTN ANTI-LOCK BRAKE SYSTEM B+ CLS 2 DATA CLS 2 DATA SENS GND REF LOW BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/RED WIRE COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE ELECTRONIC SUSPENSION SYSTEM FUSE BLOCK IGN 0 FUSE FUSE FUSE GND SENS GND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INJA FUSE FUSE INJB FUSE INJECTORS KS SIGNAL KS SIGNAL CKP REQ TORQUE SERIAL DATA SERIAL DATA LIFT/DIVE SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK PPL 6 7 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL SENS GND PPL/WHT WIRE PRND A BRK SW PRND P CLUTCH SW PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE SENS GND SENS GND EGR INPUT TAN WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

2 3 4 PPL AIR MAXI FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP/ LEVEL SENSOR (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES HOT IN RUN, START IGN E FUSE KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK PPL 6 7 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION REACTION PUMP (RIGHT REAR OF ENGINE COMPT) SECONDARY AIR INJECTION REACTION RELAY (RIGHT REAR OF ENGINE COMPARTMENT) SECONDARY AIR INJECTION REACTION SOLENOID (RIGHT REAR OF ENGINE COMPT) TAN WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE