Chevrolet Silverado 3500 HD (2007-2012) can data bus high can data bus low Wiring diagram

19 6 ACCESSORY WAKEUP SERIAL DATA 2 3 LOW SER DATA HI SER DATA 4.3L 5 4 12 13 HI SPD GMLAN (+) HI SPD GMLAN (-) HI SPD GMLAN (-) HI SPD GMLAN (+) 6 SPEED A/T 6.0L (VIN K) W/O TRAILER BRAKE 6.6L EXCEPT 4.3L, 6.6L 8 19 HIGH SPEED GMLAN SERIAL DATA BUS (+) SER DATA COMM ENABLE ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CAN DATA BUS HIGH CAN DATA BUS LOW COMM ENABLE COMM ENABLE SERIAL DATA DATA LINK RESISTOR (IN CHASSIS HARNESS, ON LEFT REAR CHASSIS CROSS MEMBER) DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ELECTRONIC COMPASS MODULE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.6L 6.6L EXCEPT GAS 4.3L, 6.0L (VIN K) FUEL PUMP/ TRAILER BRAKE CONTROL MODULE (REAR FRAME, NEAR SPARE TIRE MOUNT) GLOW PLUG CONTROL MODULE (GPCM) (6.6L) (TOP LEFT REAR OF ENGINE) HI SPD GMLAN HI SPD GMLAN SERIAL DATA HIGH SPEED GMLAN SERIAL DATA BUS + LEFT I/P BLOCK JUNCTION (LOWER LEFT SIDE OF DASH) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LINEAR INTERCONNECT NETWORK BUS LT BLU WIRE LT GRN/BLK WIRE NETWORK BUS SERIAL DATA SERIAL DATA COMM ENABLE TAN TAN/BLK WIRE TAN WIRE TAN/BLK TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TERMINATOR TRANSMISSION CONTROL MODULE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) W/ 10 SERIES W/ HYDRAULIC BRAKES W/ ONSTAR W/ PTO W/ TRAILER BRAKE W/ TWO SPEED TRANSFER CASE W/O 10 SERIES W/O INTEGRATED TRAILER BRAKE CONTROL W/O ONSTAR W/O PTO W/O TRAILER BRAKE W/O TWO SPEED TRANSFER CASE YEL WIRE YEL/BLK WIRE