Chevrolet Silverado 2500 HD (2002-2012) lt blu Wiring diagrams

2501 2500 976 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUT) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXP/PTO FUSE 44 FUSE 49 GRY WIRE GRY/BLK WIRE HI SPD GMLAN SERIAL DATA HI SPD SERIAL DATA - HI SPD SERIAL DATA + LOW REF HI SPD SERIAL DATA - HI SPD SERIAL DATA + LOW REFERENCE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE MISC IGN FUSE 40 MODE SELECT A PTO REMOTE SW SET SIG PTO RELAY COIL CTRL PTO SW INDICATOR CTRL PNK WIRE POWER TAKE OFF (PTO) PROVISION (BLUNT POWER TAKE OFF (PTO) RELAY POWER TAKE OFF (PTO) SWITCH POWER TAKE OFF MODULE (PTO) (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) PPL PPL/WHT WIRE RED/ WHT WIRE RED/WHT WIRE REMOTE MODE ENABLE SIG PTO ENGAGE SIG PTO RLY ENGAGE SIG RES+ SERIAL DATA ENABLE SET OFF SHUTDOWN SIGNAL TAN WIRE TAN/BLK WIRE TCC BRAKE SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT RED/ WIRE WHT WIRE YEL WIRE

2-HI IND 4-HI IND 4-LO IND 5 VOLT REF INCRMT ENCODER SIG 6.0L (VIN G) 7475 7476 1693 1566 1565 PPL ACCY WAKEUP SRL DATA ASSEMBLY AUX HVAC-IGN FUSE 48 FUSE 45 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR FUSE 19 FUSE 13 GAS GAS DIESEL GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL LOGIC LOW REF LT BLU WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND NEUTRAL IND CTRL 2 HI IND CTRL ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK SER DATA SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM YEL WIRE

AMPL CNTRL BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRAIN WIRE GMLAN GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V J/B (LOWER LEFT SIDE OF DASH) L INFRARED L SUBWFR - LF AUD + LF SPK - LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RIGHT I/P J/B (IN RIGHT END OF DASH) RR AUD - RSE FUSE 19 SUBWOOFER SPEAKER TAN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE

AUD LOW REF BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DVD DVD COMM EXTENDED CAB GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED TRANSMITTER L AUD SIG L DVD+ LEFT FRONT SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R DVD+ RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER SHIELD SIGNAL TAN WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOLT WHT WIRE WHT/BLK WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUDIO/VIDEO ADAPTER AUX VID H BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CAMERA SIG (+) VOICE SIG/ LOW REF CAMERA SIG (-) VOICE SIG/ DRAINWIRE CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE DVD+ R DVD+ DVD AUD SH R AUX AUD DRAIN WIRE DVD GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED- DRAIN WIRE L AUX AUDIO LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PNK 7 8 9 10 11 12 13 14 15 16 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PREVIOUS SOURCE SEEK R AUX AUDIO RADIO RIGHT STEERING WHEEL CONTROL SWITCH SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VOICE VOLUME VOLUME NEXT REC DOWN UP VSS W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

116 115 LR AUD- RR AUD- 118 117 LF SPK- RF SPK- 199 46 LR AUD+ RR AUD+ BLK WIRE BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DND GASOLINE DIESEL GMLAN GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ONSTAR BUTTON ASSEMBLY RADIO RDO FUSE 42 FUSE 39 RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG YEL WIRE YEL/BLK WIRE

AUD SIG BLK WIRE BLUNT CUT) BLUTOOTH WIRELESS COMMUNICATION INTERFACE ANTENNA (IF EQUIPPED) BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE) CELLULAR/ NAVIGATION ANTENNA CELLULAR/ NAVIGATION, DIGITAL RADIO RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM DIGITAL AUDIO SYSTEM W/ S-BAND, TRAFFIC DIGITAL AUDIO SYSTEM 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 LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PNK/BLK WIRE RED LED WIRE RED/WHT WIRE SHIELD SUPPLY TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) VOICE SIG W/ ON STAR W/O ONSTAR W/ ONSTAR W/O S-BAND, TRAFFIC YEL WIRE YEL/BLK WIRE

18 19 PNK WIRE BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE GMLAN GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM/VEHICLE COMMUNICATION SYSTEM YEL WIRE

18 19 PNK WIRE AUD LOW REF BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CREW CAB CREW CAB EXTENDED CAB DK BLU WIRE DK GRN WIRE DVD DVD COMM EXTENDED CAB GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED TRANSMITTER L AUD SIG L DVD+ LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R DVD+ RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER SHIELD SIGNAL TAN WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOLT W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO WHT WIRE WHT/BLK WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUDIO/VIDEO ADAPTER AUX VID H BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CAMERA SIG (+) VOICE SIG/ LOW REF CAMERA SIG (-) VIDEO SIG/ DRAIN WIRE COMPUTER DATA LINES CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE DVD+ R DVD+ DVD AUD SH R AUX AUD DRAIN WIRE DVD GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED- DRAIN WIRE L AUX AUDIO LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE NEXT VOLUME SOURCE PREVIOUS UP ORG/BLK WIRE PNK 7 8 9 10 11 12 13 14 15 16 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL R AUX AUDIO RADIO RIGHT STEERING WHEEL CONTROL SWITCH SEEK SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VOLUME VOICE REC DOWN VSS W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE