GMC Sierra 1500 HD (2001-2006) Body control modules circuit

54 (54 OR 394) AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY JUNCTION BLOCK BODY WIRING HARNESS JUNCTION BLOCK BRN WIRE CARGO LP CTSY LP FTP SW DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR SW KEY CYL SW LF DR SW FOG LP SW INT LP SW DRL RLY COIL CLASS 2 DATA GROUND IGN 1 FEED FOG LP RLY LAMP RELAY FUSE BLOCK GRY WIRE GRY/BLK WIRE HEADLAMP RLY LED DIM VSS WHEEL POS PASSLOCK SIG HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES TBC FUSE HOT IN RUN CRUISE FUSE HOT IN RUN, START IGN 1 FUSE IGN 3 INPUT PRK BK SW SEAT BELT SW TOW/HAUL SW IGNITION KEY ALARM SWITCH INST PANEL LP PHOTOCELL INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM KEY REMINDER LIFTGATE AJAR DOOR LATCH INADV PWR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT TURN INPUT RT TURN INPUT NCA WIRE ORG (ORG OR LT GRN/BLK) WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL HEADLP DIM PK LPS FEED PPL/WHT WIRE REAR PARKING ASSIST CHIME MODULE RED/WHT WIRE RFA LINK SERIAL DATA SENSOR RTN CTSY LP RLY DR UNLK RLY PK LP RLY TAN WIRE TOW/HAUL SWITCH UNDERHOOD JUNCTION BLOCK WARNING SYSTEM WARNINGS SYSTEM WARNINGS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WHT WIRE YEL WIRE

1056 1037 INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM 1796 245 254 1970 (BASE) (UPPER LEVEL) 2353 1382 4040 1732 230 2240 INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM 244 255 1391 193 (BASE) (UPPER LEVEL) 5 VOLT REF CLASS 2 SERIAL DATA 812 1140 1969 1080 1353 ANTI-THEFT SYSTEM AIR CONDITIONING SYSTEM 1851 1059 2090 11 ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM HORNS SYSTEM BASE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC POWER STEERING SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FUSE GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES TBC BATT FUSE I/P FUSE BLOCK I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK LAMP SW ON SIG PNK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN/WHT WIRE TOW/HAUL SW SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK UPPER LEVEL WHT WIRE YEL WIRE

1187 1185 (UP LEVEL) (UP LEVEL) POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM 2140 690 24 BATTERY + COURTESY LAMP SUPPLY VOLTAGE BACKUP LAMP SUPPLY VOLT 748 747 RIGHT REAR DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) COURTESY LAMPS ON SIG DOOR UNLOCK CTRL DK BLU/WHT WIRE DK GRN WIRE FUSE GRY WIRE GRY/BLK WIRE HEADLAMP SW HEADLAMP ON SIG HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN, ACC TBC ACCY FUSE HOT IN RUN, START TBC IGN 1 FUSE HOT IN RUN, START, ACC TBC IGN 0 FUSE I/P FUSE BLOCK INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM (BASE) INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK 746 149 WIRE PNK WIRE POWER WINDOW SW LR DOWN SIG POWER WINDOW SW LR UP SIG UNDERHOOD FUSE BLOCK WARNINGS SYSTEM HEADLIGHTS SYSTEM WHT WIRE YEL WIRE