Chevrolet Silverado 1500 (2000-2012) ser data bus - Wiring diagrams

66 67 VSS LO SIG VSS HI SIG 7 20 33 47 36 35 49 37 STOP LAMP SW SIG BATT + APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL AUTOMATIC TRANSMISSION BATT + BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DATA BUS - DATA BUS - DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN/WHT WIRE GROUND GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH) DIM FUSE 7 HOT W/ RUN/CRNK RELAY ENERGIZED INFLATABLE PNK RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) WIRE INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MISC-IGN FUSE 43 ORG/WHT WIRE OUT SPD SENS (OSS) SIG OUT SPD SENS (OSS) SIG PNK STEERING WHEEL CNTRL SUP VOLT WIRE PNK WIRE PPL PPL BRAKE SW SIG PPL/WHT WIRE RED/WHT WIRE RES+ SER DATA SER DATA BUS - SET- SOUND SYSTEMS STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE

10 11 DATA BUS + DATA BUS - 14 13 15 LOW REF STP LP SW SIG 5 VOLT REF 20 33 47 36 35 49 37 BATT + 66 67 VSS HI SIG VSS LO SIG ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/WHT WIRE OUT SPD SENS (OSS) SIG OUT SPD SENS (OSS) SIG PNK TRANSMISSIONS SYSTEM WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED/WHT WIRE RES+ SER DATA SER DATA BUS - SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE

13 5 16 12 SER DATA ENABLE SER DATA BUS (+) SER DATA BUS (-) WAKE UP SIG 17 6 SER DATA BUS (-) SER DATA BUS (+) 22 21 6 7 SER DATA BUS (+) SER DATA BUS (-) SER DATA BUS (-) SER DATA BUS (+) ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CONTROL SOLENOID DATA LINK RESISTOR (IN CHASSIS HARNESS, ON LEFT REAR CHASSIS CROSS MEMBER) DK BLU WIRE DK GRN WIRE DK GRN/RED WIRE DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE ELECTRONIC COMPASS MODULE ELECTRONIC POWER STEERING MOTOR CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FUEL PUMP FLOW CONTROL MODULE (REAR FRAME, NEAR SPARE TIRE MOUNT) GRY WIRE HI SPD GMLAN SERIAL DATA HIGH SPEED GMLAN SERIAL DATA BUS (-) SERIAL DATA COMM ENABLE LOW SPD SERIAL DATA HIGH SPEED GMLAN SERIAL DATA BUS + LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE MODULE CONNECTOR BREAKOUT) NCA WIRE NETWORK BUS PNK WIRE RED WIRE SER DATA BUS - SER DATA COMMU- NICATION ENABLE SERIAL DATA COMM ENABLE TAN WIRE TAN/BLK WIRE VALVE ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) W/ INTERGRATED TRAILER BRAKE CONTROL) (IN CHASSIS HARNESS) W/ TRAILER BRAKE W/ TWO SPEED TRANSFER CASE W/O TRAILER BRAKE W/O TWO SPEED TRANSFER CASE WHT WIRE