Chevrolet Silverado Classic 1500 HD (2007-2007) serial data Wiring diagrams

50 13 VSS OUT CRUISE ENGAGE IN A/T ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLUTCH PEDAL POSITION SWITCH (TOP OF CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM CRUISE CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ON FIREWALL) CRUISE ENGAGE OUT VSS IN CRUISE FUSE CRUISE IND CRUISE ON SW SIG SET/COAST SW SIG RESUME/ACCEL SIG CRUISE REL SIG GROUND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK IGN INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T NCA WIRE OFF ON OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL A/T PPL/WHT WIRE RADIO RESUME/ ACCEL CRUISE CONTROL ON/OFF SWITCH RESUME/ACCEL SERIAL DATA SET/ COAST STARTING/ CHARGING SYSTEM STOP LPS FUSE STOPLAMP SPLY VOLT STOPLAMP SWITCH (TOP OF BRAKE PEDAL) SUPPLEMENTAL BRAKE ASSIST TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH STOP FUSE VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW WHT WIRE

ALLISON TRANSMISSION B/U LMP VLT BATTERY BLK WIRE BLUNT CUT (W/ CAMPER BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) COMPUTER DATA LINES SYSTEM DIESEL ENGINE CONTROL MODULE (AT LEFT FRONT OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HARNESS) HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT BACK-UP LAMP LT BACK-UP ALARM LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PRESS SW PRESSURE SWITCH MANIFOLD REAR LAMPS JUNCTION BLOCK (INSIDE LEFT FRAME RAIL) REV SIG RIGHT BACK-UP LAMP SERIAL DATA TRAILER CONNECTOR TRAILER WIRING PROVISIONAL) TRANSMISSION CONTROL MODULE (AT LEFT FRONT OF ENGINE COMPT) TRLR B/U FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) YEL WIRE

1 2 8 VOICE SIGNAL VOICE LOW REF DRAIN WIRE 10 11 12 13 14 15 16 AUD OUT - ANTENNA BARE BARE (BLUNT CUT) BARE DRAIN WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE COAX COAX ANTENNA COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER (IF EQUIPPED) (BEHIND RIGHT SIDE OF INSTRUMENT PANEL) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER (EXCEPT STANDARD CAB) LEFT REAR SPEAKER (STANDARD CAB) LF AUD + RT AUD + LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE RADIO RADIO FUSE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER (EXCEPT STANDARD CAB) RIGHT REAR SPEAKER (STANDARD CAB) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) YEL WIRE

10 12 PNK WIRE 16 5 PNK WIRE 8 7 PNK WIRE AIR TEMP SENSOR AIRBAG FUSE AMBIENT AIR TEMPERATURE SENSOR (IN RIGHT FRONT BUMPER FILLER ASSEMBLY AMBIENT PHOTO SENSOR BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK COMPASS COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC ELECTROCHROMIC MIRROR EXCEPT 10 SERIES/ CREW CAB GROUND GRY WIRE HOT IN RUN, START IGN 3 INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOW REF MIR SIGNAL LT GRN WIRE PNK WIRE RR LIGHT PHOTO SENSOR SELECTOR SWITCH SERIAL DATA SUPPLEMENTAL RESTRAINTS SYSTEM TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

22 14 SERIAL DATA BATTERY 7 8 SUPPLY VOLT LOW REF AIR CONDITIONING SYSTEM BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR GROUND HOT AT ALL TIMES HVAC CONTROL MODULE (IN CENTER OF DASH) I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) LOW REF ORG/ WIRE PASSENGER DOOR MODULE (PDM) (IN RIGHT FRONT DOOR) PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE R DEF REAR DEFOG SWITCH SERIAL DATA SUPPLY VOLT TAN WIRE WHT WIRE

1 14 26 SUPPLY VOLTAGE SUPPLY VOLTAGE LOW REF BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BACK, CUSHION SELECT BATT + BCK, CSH SELECT BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LT DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE FRONT PASSENGER BACK HEATED SEAT ELEMENT FRONT PASSENGER CUSHION HEATED SEAT ELEMENT FRONT PASSENGER DOOR MODULE GRN WIRE GROUND GRY WIRE HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES I/P FUSE BLOCK I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK LOW HEAT IND LOW HEAT INDICATOR LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MED HEAT IND MED HEAT INDICATOR MEMORY SEAT MODULE (UNDERSIDE OF LEFT FRONT SEAT) MEMORY/HEATED SEAT SWITCH ORG/ WIRE PNK WIRE PPL RED WIRE RED/WHT WIRE RT DOORS CIRCUIT BREAKER SEATS CIRCUIT BREAKER SERIAL DATA SWITCH POWER TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 4 5 BARE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE 7 8 9 10 11 12 13 14 15 16 17 18 BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRN WIRE GROUND GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER SYSTEM VSS SIGNAL LR AUD SIG+ LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REAR SEAT AUDIO CONTROLLER REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

12 11 10 9 8 7 6 5 4 3 2 1 COM AUD SIG BARE BLK/WHT WIRE BRN/WHT WIRE CELLULAR NAVIGATION (GPS), DIGITAL RADIO ANTENNA COAX ANTENNA COMPUTER DATA LINES SYSTEM DATA LINES DIGITAL RADIO RECEIVER (IF EQUIPPED) (BEHIND RIGHT SIDE OF INSTRUMENT PANEL) DK GRN WIRE DK GRN/WHT WIRE GROUND AUD OUT - DRAIN WIRE GROUND LT AUD SIG RT AUD SIG LF AUD + RT AUD + LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE REAR SEAT ENTERTAINMENT ASSEMBLY (IF EQUIPPED) SERIAL DATA W/ DIGITAL RADIO RECEIVER W/ REAR ENTERTAINMENT ASSEMBLY W/O DIGITAL RADIO RECEIVER W/O REAR ENTERTAINMENT ASSEMBLY WHT WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, NEAR STEERING COLUMN) DK BLU WIRE DOOR LOCK SW IN DOOR UNLOCK SW IN IGNITION KEY SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER UNLOCK RELAY FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR LOCK SWITCH GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGNITION KEY ALARM SWITCH (ON STEERING COLUMN) INSTRUMENT PANEL CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LOCK LOCK ACTUATOR LOCK RELAY LOCKS FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE RIGHT REAR DOOR LATCH ASSEMBLY SERIAL DATA SERIAL DATA BATTERY DOOR UNLOCK CTRL DOOR LOCK CTRL DRIVER DOOR UNLOCK GROUND SPLICE PACK TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) TBC BATT FUSE UNLK UNLOCK RELAY WHT WIRE

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES HOT IN RUN, START HVAC CONTROL MODULE (IN CENTER OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN LOGIC LT GRN WIRE PPL REAR DEFOG SWITCH REAR DEFOGGER RELAY REAR WINDOW DEFOGGER GRID RELAY CNTRL SERIAL DATA WHT WIRE