Chevrolet Silverado 3500 HD (2007-2012) computer data lines system Wiring diagrams

1 4 5 6 GND GND B+ B+ 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 4 1 3 2 2425 2079 2436 2434 TEMP SIG TEMP SIG TEMP SIG TEMP SIG BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) DRIVER SEAT 2 GRY WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER FRONT OF DRIVER'S SEAT) NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PNK ELEM CTRL WIRE PNK WIRE PPL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE YEL WIRE YEL/BLK WIRE

4 6 B+ GND BACK SEAT IND BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION/BACK IND DDM FUSE 4 DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT SWITCH DSM FUSE 25 GRY WIRE HIGH IND HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LOW IND LT BLU WIRE MED IND PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED SEAT SWITCH PDM FUSE 9 PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA TAN WIRE WHT/BLK WIRE YEL WIRE

11 12 UNLCK SIG LCK SIG 3 10 B+ GMLAN 7 9 6 LCK CNTRL UNLCK CNTRL UNLCK CNTRL 9 18 UNLCK SIG LCK SIG BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CREW CAB DIM FUSE BCM FUSE DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DVR UNLCK FUSE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LCK 1 FUSE LCK 2 FUSE LEFT REAR DOOR LATCH ASSEMBLY LOCK ACTUATOR LOCK PCB RELAY LT BLU WIRE ORG/BLK WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY TAN WIRE UNLCK 1 FUSE UNLCK 2 FUSE UNLOCK PCB RELAY W/ CONVENIENCE PACKAGE W/O CONVENIENCE PACKAGE WHT WIRE

3 10 B+ GMLAN 5060 262 5942 5925 5927 COMPUTER DATA LINES SYSTEM 5060 5946 1663 COMPUTER DATA LINES SYSTEM 7 9 LCK CNTRL UNLCK CNTRL 9 4 5 7 8 GMLAN SW SIG SW GRD LCK CNTRL UNLCK CNTRL 9 7 8 GMLAN LOCK CNTRL UNLCK CNTRL BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DDM FUSE DIM FUSE BCM FUSE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR SWITCH (DDS) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, KEY SWITCH LCK 1 FUSE LEFT REAR DOOR LATCH ASSEMBLY LOCK LOCK ACTUATOR LOCK/ UNLOCK PCB RELAY LT BLU WIRE LT GRN WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH (PDS) PPL PPM FUSE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY TAN WIRE UNLCK 1 FUSE UNLOCK DOOR LOCK SWITCH 4 6 B+ GRD UNLOCK DOOR LOCK SWITCH B+ GRD WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 7 3 9 4 POSITION CTRL MTR COMM POSITION CTRL SPLY VOLT LOW REF 4 6 B+ GND 9 2 12 SERIAL DATA PNK WIRE BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ELECTROCHROMIC DDM FUSE 4 DEFOGGER SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN L/R SELECT DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC EXTEND GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, L/R SELECT SW PWR LEFT LOGIC LT BLU WIRE MIRROR CIRCUIT OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED/WHT WIRE RETRACT RIGHT WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 7 3 9 4 POSITION CTRL MTR COMM POSITION CTRL SPLY VOLT LOW REF 4 6 B+ GND 9 2 12 SERIAL DATA PNK WIRE AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ELECTROCHROMIC DDM FUSE 4 DEFOGGER SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN L/R SELECT DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR EXTEND GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, L/R SELECT SW PWR LEFT LOGIC LT BLU WIRE MIRROR CIRCUIT OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED/WHT WIRE RETRACT RIGHT WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 367 368 2099 L AUD+ R AUD+ DRAIN WIRE 1 2 3 4 B+ LF AUD+ RF AUD+ VOICE SIG/ 1999 1946 659 LR AUD- RR AUD- LOW REF 372 388 1573 L AUD- R AUD- DRAIN WIRE 599 546 658 LR AUD+ RR AUD+ VOICE SIG AMP FUSE 41 FUSE 38 ANTENNA AUD SIG AUDIO W/ DVD NAVIGATION BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE) CELLULAR/ NAVIGATION ANTENNA CELLULAR/ NAVIGATION, DIGITAL RADIO ANTENNA CELLULAR/NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA LINES SYSTEM CUT) DIGITAL RADIO RECEIVER (BEHIND RIGHT END OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LED GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFO FUSE 22 KEYPAD SIG LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RADIO RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 SHIELD SUPPLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE USB CABLE USB CABLE USB RECEPTACLE (IF EQUIPPED) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE YEL/BLK WIRE

AMPLF+ BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE F CENTR SPK- GMLAN GRD GRY WIRE INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED L SUBWFR - LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MICRO SIG + NCA WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RF AUD + RF SPK - RR AUD - SUBWOOFER SPEAKER TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE