Chevrolet Silverado 1500 HD (2001-2006) splice pack 203 Wiring diagrams

1 2 3 4 BATTERY SRL DATA 1140 194 BATTERY DR UNLK RLY DR LK RLY SERIAL DATA ALL TIMES UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) TBC FUSE 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 LOCK SWITCH GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN KEY SIG IGNITION KEY ALARM SWITCH (PART OF STEERING COLUMN ASSEMBLY) INSTRUMENT PANEL CLUSTER VSS SIGNAL LEFT I/P FUSE 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 DOOR LOCK SWITCH POWERTRAIN CONTROL MODULE (LEFT FRONT INSIDE OF ENGINE COMPARTMENT) VSS SIGNAL REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND TOP CENTER OF DASH) SPLICE PACK 203 SPLICE PACK 203 (UPPER LEFT KICK PANEL) TAN WIRE TAN/BLK WIRE UNLOCK UNLOCK FUSE UNLOCK JMPR FUSE VSS DRV DR UNLK RLY WHT 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

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 JUNCTION 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 FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF I/P) IGNITION KEY ALARM SWITCH (PART OF STEERING COLUMN ASSEMBLY) INSTRUMENT PANEL CLUSTER VSS SIGNAL 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) SPLICE PACK 203 TAN WIRE TAN/BLK WIRE UNLOCK UNLOCK FUSE WHT WIRE

A/T SHIFT LOCK CONTROL SOLENOID (ON STEERING COLUMN) BLK WIRE BTSI FUSE DK GRN/WHT WIRE HOT IN RUN OR START B/U LPS FUSE LT GRN WIRE LT GRN/BLK WIRE MEMORY SYSTEMS NCA WIRE PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK WIRE SPLICE PACK 203 STOPLAMP SWITCH UNDERHOOD FUSE BLOCK

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