Chevrolet Chevy Express H1500 (2003-2012) w/ vechile communication system wiring diagram

16 17 19 DATA BUS (-)) DATA BUS (+) DATA ENABLE 19 26 2501 2500 DATA BUS (-) DATA BUS (+) 2 12 DATA BUS (+) DATA BUS (-) DATA BUS (+) DATA BUS (-) 25 18 2500 2501 DATA BUS (+) DATA BUS (-) 4.8L 4.3L, 6.0L, 5.3L 4.8L 6.0L 5.3L 6.6L 6.6L 9 8 10 DATA BUS (-) DATA BUS (+) SERIAL DATA ACC WAKE UP SERIAL DATA 11 15 19 7 6 38 37 ACC WAKE UP SERIAL DATA PNK WIRE ACC WAKE-UP SERIAL DATA AUTOMATIC TRANSMISSION (6 SPEED A/T) BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER CONTROL SOLENOID VALUE ASSEMBLY COOLANT HEATER (6.6L, W/ FUEL FIRED AUXILIARY HEATER) DATA BUS - DATA BUS - DATA BUS - DATA BUS+ DATA BUS+ DATA BUS- DATA BUS- DATA COMM ENABLE DATA ENABLE DATA BUS (+) DATA BUS (-) DATA BUS (-) DATA BUS (+) DK BLU WIRE DK GRN WIRE EXCEPT 5.3L EXCEPT AUXILIARY 5.3L 5.3L HEATER IGN DATA BUS (+) DATA BUS (-) LT BLU WIRE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (4 SPEED A/T) VEHICLE COMMUNICATION INTERFACE MODULE (VCM) (BELOW STEERING COLUMN) W/ ACTIVE BRAKE CONTROL W/ FUEL FIRED AUXILIARY HEATER W/ FUEL W/O FUEL FIRED FIRED AUXILIARY HEATER W/ VECHILE COMMUNICATION SYSTEM W/O ACTIVE BRAKE CONTROL W/O FUEL FIRED AUXILIARY HEATER W/O VECHILE COMMUNICATION SYSTEM