GMC Cab & Chassis Sierra 3500 (2004-2007) air conditioning system 1851 1059 2090 11 Wiring diagram

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) (BASE) 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 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 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/BLK WIRE TBC BATT FUSE TOW/HAUL SW SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK UPPER LEVEL WHT WIRE YEL WIRE