Chevrolet Silverado 1500 HD (2001-2006) blu Wiring diagrams

A/T SHIFT LOCK BACK BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BTSI FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER WINDOW/ DOOR LOCK SWITCH DRIVER' SEAT ADJUSTMENT SWITCH FRONT VERT DN FRONT VERT UP FRT DN FRT UP FT VERT DN CTRL FT VERT POS SEN FT VERT UP CTRL FUSE BLOCK (LOWER LEFT SIDE OF DASH) GROUND GRY/BLK WIRE HALL EFFECT SENSOR HORIZ FWD HORIZ FWD CTRL HORIZ POS SEN HORIZ RWD HORIZ RWD CTRL HOT AT ALL TIMES HOT IN RUN IGN 3 FUSE IGN 3 VOLT LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEMORY 1 SW PPL MEMORY 2 SW MEMORY SEAT MODULE (UNDERSIDE OF DRIVER'S SEAT) MEMORY SEAT SWITCH MEMORY SET SW MIR/LOCK FUSE NCA WIRE NOT USED ORG/ WIRE PPL RCL 1 RCL 2 RCL BACK RCL FWD REAR DN REAR UP REAR VERT DN REAR VERT UP RECLINE FWD RECLINE FWD CTRL RECLINE POS SEN RECLINE RWD RECLINE RWD CTRL RECLINER MOTOR (UNDER DRIVER'S SEAT) RED WIRE RR VERT DN CTRL RR VERT POS SEN RR VERT UP CTRL SEAT FRONT VERTICLE MOTOR (UNDER DRIVER'S SEAT) SEAT HORIZONAL MOTOR (UNDER DRIVER'S SEAT) SEAT REAR VERTICAL MOTOR (UNDER DRIVER'S SEAT) SEATS CIRCUIT BREAKER SET- SHIFT INTERLOCK SYSTEM SUPPLY VOLT TAN WIRE UNDERHOOD JUNCTION BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT, NEAR BATTERY) WHT WIRE YEL 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

BLK WIRE BLU WIRE BODY JUNCTION BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BRN WIRE DRIVER HEATED SEAT RELAY (IN DRIVER SEAT) DRIVER HEATED SEAT THERMISTOR DRIVER SEAT HEATED SWITCH DRIVER SEAT HEATER ELEMENT (SEAT BACK) DRIVER SEAT HEATER ELEMENT (SEAT) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) HEATER ON IND HOT AT ALL TIMES SEO 2 FUSE HOT IN RUN IGN 3 FUSE I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) ILLUM LEFT POWER WINDOW/ DOOR LOCK SWITCH LT BLU WIRE NCA WIRE ORG/ WIRE PASSENGER HEATED SEAT RELAY (IN PASSENGER SEAT) PASSENGER HEATED SEAT SWITCH PASSENGER HEATED SEAT THERMISTOR PASSENGER SEAT HEATER ELEMENT (SEAT BACK) PASSENGER SEAT HEATER ELEMENT (SEAT) SENSOR GND SOLID STATE UNDERHOOD JUNCTION BLOCK (LEFT SIDE OF DASH, NEAR KICK PANEL)

BLK WIRE BLU WIRE DK PNK WIRE DK PPL PNK WIRE DRIVER DRIVER SEAT SEAT BOLSTER LUMBAR DRIVER LUMBAR/ BOLSTER SWITCH HOT AT ALL TIMES IN OUT IN LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) ORG/ WIRE OUT OUT IN PASS- ENGER LUMBAR/ BOLSTER SWITCH PASSENGER PASSENGER SEAT SEAT BOLSTER LUMBAR PICKUP UTILITY POWER SEATS CIRCUIT SEAT CIRCUIT BREAKER TAN WIRE WHT WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE CAMPER EXTENSION CAMPER IN-LINE CONNECTOR CAMPER WIRING (PICKUP ONLY) CHMSL FUSE DK HOT WITH PARKLAMP RELAY ENERGIZED DK LT DK GRN WIRE HEAVY DUTY TRAILER WIRING HOT IN REVERSE (UTILITIES) HOT AT RUN AND START (PICKUP) HOT WITH BACK-UP LAMP SWITCH CLOSED HOT WITH PARKLAMP RELAY ENERGIZED HOT WITH STOPLAMP HOT AT SWITCH ALL TIMES DEPRESSED HOT WITH STOPLAMP SWITCH DEPRESSED INT PRK FUSE LIGHT DUTY TRAILER WIRING (PICKUP ONLY) LT DK LT DK LT DK LT GRN WIRE LT PICKUP ONLY NCA WIRE RED WIRE SPLICE PACK 203 STUD 1 STUD 1 MAXI FUSE CHMSL FUSE STUD 2 TRAILER IN-LINE CONNECTOR TRAILER WIRING (BLUNT CUT) TRL L TRN FUSE TRL PRK FUSE TRL R TRN FUSE TRL R TRN FUSE TRL PRK FUSE TRLR B/U FUSE TURN/ HAZARD SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT, NEAR BATTERY) UTILITIES ONLY VEH B/U FUSE WHT WIRE YEL WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 25 26 27 PNK PNK WIRE 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BODY JUNCTION BLOCK BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE SOLENOID (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE FUSE BLOCK BRAKE FUSE GRY DK GRN WIRE GRY WIRE HOT IN RUN, START IAT SENSOR IGN LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) MASS AIRFLOW SENSOR (IN AIR INTAKE DUCT) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK 9 10 11 12 13 14 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL/WHT WIRE RED WIRE RED/BLK WIRE REV SIGNAL STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD JUNCTION BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 25 26 27 PNK PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BODY JUNCTION BLOCK BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE SOLENOID (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE FUSE BLOCK BRAKE FUSE GRY DK GRN WIRE GRY WIRE HOT IN RUN, START IAT SENSOR IGN LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/ WHT WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) MASS AIRFLOW SENSOR (IN AIR INTAKE DUCT) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK 9 10 11 12 13 14 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL/WHT WIRE RED WIRE RED/ BLK WIRE RED/BLK WIRE REV SIGNAL STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD JUNCTION BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2-3 SOL 28 29 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY RELAY BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE SOLENOID (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY RELAY BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE SOLENOID (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 15 16 17 WIRE PPL PNK PNK 25 26 27 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2-3 SOL 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID (BEHIND THROTTLE BODY) EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN INSTRUMENT CLUSTER SYSTEM LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 18 19 WIRE PPL PNK PNK 28 29 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (REAR OF TRANSMISSION/ TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE