Chevrolet Silverado 3500 (2002-2006) tan Wiring diagrams

BACK BLK WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR FRONT DN FRONT PASENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR FRONT UP HOT AT ALL TIMES LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PICKUP UTILITY REAR DN REAR UP RED WIRE SEAT CIRCUIT BREAKER TAN WIRE YEL WIRE

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 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

BACK BLK WIRE DK BLU WIRE DK GRN WIRE FR DN FR UP FWD FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT REAR RECLINER MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR HOT AT ALL TIMES I/P RELAY BLOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE RED WIRE RR DN RR UP SEATS CIRCUIT BREAKER TAN WIRE YEL WIRE

1 2 3 4 BATTERY SRL DATA 1140 194 BATTERY UNLOCK IN LOCK IN SERIAL DATA 80 817 IGN KEY SWITCH VSS LF DR UNLK IN BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (NEAR LEFT KICK PANEL) DK GRN/WHT WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK FUSE DRIVER DOOR LOCK ACTUATOR DRIVER DOOR UNLOCK RELAY DRIVER WINDOW/DOOR LOCK SWITCH GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION KEY ALARM SWITCH (PART OF STEERING COLUMN ASSEMBLY) INSTRUMENT PANEL CLUSTER VSS SIGNAL LEFT I/P BLOCK (ON LOWER LEFT SIDE OF DASH) LOCK LOCK FUSE LT BLU WIRE LT GRN WIRE MIR/LOCK FUSE NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK ACTUATOR PASSENGER WINDOW/DOOR LOCK SWITCH POWERTRAIN CONTROL MODULE (LEFT FRONT INSIDE OF ENGINE COMPARTMENT) VSS SIGNAL REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND TOP CENTER OF DASH) RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF I/P) SPLICE PACK 203 SPLICE PACK 203 (UPPER LEFT KICK PANEL) TAN WIRE TAN/BLK WIRE UNLOCK UNLOCK FUSE WHT 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