GMC Sierra 1500 (2000-2012) computer data lines system Wiring diagrams

18 25 COURTESY LP SPLY VOLT PPL DEFEAT SW 2 10 B+ SERIAL DATA ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CENTER HIGH MOUNTED STOP LAMP (CHMSL) COMPUTER DATA LINES SYSTEM DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME SW EXCEPT HYBRID FRONT DOME/READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IS LPS FUSE 17 LATCH ASSEMBLY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT VANITY MIRROR LAMP DOME LAMPS LEFT SUNSHADE (IF EQUIPPED) LF DR AJAR SW SIG DR DOOR RF DR AJAR 10 20 8 14 15 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S DOOR) PPL 9 12 READING LAMPS REAR DOME/ READING LAMPS (EXTENDED CAB, CREW CAB) RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH RIGHT SUNSHADE (IF EQUIPPED) RIGHT VANITY MIRROR LAMP SW SIG RR DR AJAR SW SIG LR DR AJAR SW SIG 5 1 LP CTRL SPLY VOLT TAN/WHT WIRE VOLT W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ ELECTRIC DOOR LOCK W/ POWER WINDOWS W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/O ELECTRIC DOOR LOCK WHT/BLK WIRE

BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-IGN FUSE 56 FSCM FUSE 21 FSCM SHIELD FUEL CTRL FUEL LINE PRESSURE SENSOR FUEL PRESS FUEL PUMP/ TRAILER BRAKE CONTROL MODULE (W/ INTEGRATED GMLAN GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LO REF LT BLU WIRE MISC-IGN FUSE 43 NCA WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PUMP RED/WHT WIRE SER DATA EN TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ INTEGRATED TRAILER BRAKE CONTROL W/O INTEGRATED TRAILER BRAKE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

AUX HVAC-IGN FUSE 48 BANK 2 SENSOR 1 (UPSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION (CKP) SENSOR (RIGHT REAR OF ENGINE) DK BLU WIRE DK BLU/WHT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) ENGINE OIL PRESSURE IND FROM INJ-B FUSE (DIAGRAM 3 OF 6) GRY WIRE GRY/BLK WIRE GRY/WHT PNK WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC FUSE 46 HOT W/ RUN/CRNK RELAY ENERGIZED IGN 1 GND IGN B+ MALFUNCTION INDICATOR LAMP INSTRUMENT PANEL CLUSTER (IPC) KNOCK SENSOR (KS) 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (LOWER RIGHT SIDE OF ENGINE) LO BUS LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (ON TOP OF INTAKE MANIFOLD) NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL PNK PNK WIRE PPL/WHT WIRE RED/WHT WIRE SNSR FUSE 18 TAN PPL/WHT WIRE TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

581 582 1339 5284 TAC MTR CTRL 1 TAC MTR CTRL 2 IGN VOLT PHASOR CTRL ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) BANK 1 SENSOR 1 (UPSTREAM OF LEFT CATALYTIC CONVERTER) BANK 1 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 12 ECM-IGN FUSE 56 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE (UNDER REAR OF VEHICLE) EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM FAN RLY CTRL VENT SOL CTRL FSCM FUSE 21 FUEL PRESSURE SENSOR GRY WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY ENERGIZED HOT W/ RUN/CRANK RELAY ENERGIZED IGN B+ DATA ENGINE OIL PRESSURE MIL IND IND INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 KNOCK SENSOR (KS) 1 (LOWER LEFT SIDE OF ENGINE) LOGIC LOW REF LOW REF PPL LT BLU WIRE LT BLU/WHT WIRE MIL CTRL PUMP CTRL MISC-IGN FUSE 43 MOD SIG NCA WIRE PEDAL SW SIG AJAR SW SIG LOW REF PNK PNK PNK WIRE PNK PNK POWER DISTRIBUTION WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL HOOD SW SIG PPL LEVEL SENS SIG PPL/WHT WIRE RED/WHT WIRE RLY COIL CTRL FAN RLY CTRL PPL SENS 1 SIG PRESS SENS SIG SENS 2 SIG SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 UNDERHOOD FUSE BLOCK W/ INTEGRATED TRAILER BRAKE CONTROL W/O INTEGRATED TRAILER BRAKE CONTROL WAKE-UP SIG IGN VOLT B+ VOLT PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK GRN WIRE DK GRN/WHT WIRE EXTENSION FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) GRY WIRE GRY/WHT WIRE IGN VOLT IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 (UPPER RIGHT SIDE OF ENGINE) LINES SYSTEM COMPUTER DATA LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PUMP CTRL RED WIRE RED/WHT WIRE REF VOLT RELAY CTRL SENS SIG SERIAL DATA SHIELD SPARK PLUG TAN WIRE TAN/BLK WIRE YEL WIRE

6 SHUTOFF SOL 1 SHUTOFF SOL AIR CONDITIONING SYSTEM BANK 2 SENS 1 BANK 2 SENS 1 BANK 2 SENS 1 BANK 2 SENS 2 BANK 2 SENS 2 PPL PPL BANK 2 SENSOR 1 BANK 2 SENSOR 2 BAROMETRIC PRESSURE (BARO) SENSOR BLK LT GRN/ WIRE BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM AIR CONDITIONING SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) GRY WIRE LOW REF LOW REF LOW REF LOW REF LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (ON TOP OF INTAKE MANIFOLD) NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PRESS SENS SIG PRESS SENS SIG MAP SENS SIG PT LAN - PUMP MTR GND TAN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM VALVE LIFTER OIL MANIFOLD (VLOM) ASSEMBLY (BELOW INTAKE MANIFOLD) YEL WIRE

2501 2500 904 904 904 904 968 2139 COMPUTER DATA LINES SYSTEM 6106 6105 COMPUTER DATA LINES SYSTEM AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUXILIARY FLUID PUMP CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CIRCUIT CIRCUIT 1 CIRCUIT 2 COMPUTER DATA LINES SYSTEM CONT CTRL PUMP CTRL B+ B+ CUT) (SHIELD BLUNT DK BLU WIRE DK GRN WIRE DRAIN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE CONTROLS CIRCUIT ENGINE CONTROLS CIRCUIT 6272 7654 EXCITATION EXCITATION CIRCUIT FLUID PUMP GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY PIM 2 FUSE FUSE 9 BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INTER MODE GND LOW REFERENCE TEMP SENS A LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEGA FUSE NCA WIRE ORG/ WIRE ORG/BLK WIRE PHASE A PHASE B PHASE C PIM 1 FUSE 8 PNK/WHT WIRE PPL PPL INTER MODE S PT LAN- PT LAN+ PUMP CTRL RED WIRE RED/WHT WIRE RESOL MTR A+ RESOL MTR A+ RESOL MTR B- RESOL MTR B+ TEMP SENS A SER DATA BUS- SER DATA BUS+ TAN WIRE TAN/BLK WIRE TEMP SENS B TRANS PUMP FUSE TRANSMISSIONS SYSTEM WAKE UP SIG IGN VOLT WHT/BLK WIRE YEL WIRE

A/C COMPRESSOR ACCESSORY DC POWER CONTROL MODULE BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE ELECTRONIC POWER STEERING MOTOR CONTROL MODULE HOT W/ RUN/CRNK RELAY ENERGIZED IGN VOLT LT BLU WIRE NCA WIRE OF FRAME ASSEMBLY) ORG/ WIRE PHASE U PHASE V PHASE W PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PT LAN - RED WIRE SHIELD SHLD TRANS IGN 1 FUSE 19 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP SIG W/ TWO SPEED ACTIVE TRANSFER CASE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 PPL B+ 1 2 3 4 5 HIGH VOLTAGE 1 4 12 13 PPL PPL PNK PNK WIRE 5 VOLT REF BATTERY INVERTER CURRENT LIMIT RESISTOR BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTRL SIG DATA BUS - DATA BUS - DK BLU/RED WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/RED WIRE DRIVE MOTOR DRIVE MOTOR BATTERY CABLE TERMINAL EXTENSION COVER DRIVE MOTOR BATTERY CURRENT SENSOR DRIVE MOTOR BATTERY HIGH VOLTAGE MANUAL DISCONNECT LEVER DRIVE MOTOR BATTERY NEGATIVE HIGH VOLTAGE CONTACTOR RELAY DRIVE MOTOR BATTERY POSITIVE HIGH VOLTAGE CONTACTOR RELAY DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE DRIVE MOTOR POWER INVERTER CURRENT LIMIT RELAY FROM BATTERY MODULE (DIAGRAM 3 OF 5) FUSE GND WAKE UP SIG SER DATA COM HIGH VOLTAGE GRY WIRE HIGH VOLTAGE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE NCA WIRE ORG/ WIRE PNK HIGH VOLTAGE WIRE PNK WIRE RED WIRE RED/WHT WIRE RELAY CTRL RELAY CTRL TAN WIRE TAN/BLK WIRE TO DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE (DIAGRAM 5 OF 5) TO GENERATOR BATTERY VENT FAN (DIAGRAM 5 OF 5) TO GENERATOR BATTERY VENT FAN RELAY (DIAGRAM 5 OF 5) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 NOT USED MTR PWR FEED GROUND 5-VOLT REF 33 53 PT LAN- PT LAN+ 8 36 56 941 955 954 6106 6105 PUMP MTR GND LOW REF 5-VOLT REF AIR INLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AIR OUTLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AUXILIARY FUSE BECM FAN FUSE 2 BLK WIRE BLK/YEL WIRE BLOCK (LEFT SIDE OF ENGINE COMPT) BLU WIRE COMPUTER DATA LINES SYSTEM COOL PUMP FUSE 6 COOL PUMP RELAY DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DRIVE MOTOR BATTERY TEMPERATURE SENSOR 3 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 4 DRIVE MOTOR GENERATOR BATTERY (UNDER SECOND ROW SEATS) DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE (UNDER SECOND ROW SEATS) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FROM DRIVE MOTOR BATTERY CURRENT SENSOR (DIAGRAM 4 OF 5) FROM DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE (DIAGRAM 4 OF 5) GENERATOR BATTERY VENT FAN GENERATOR BATTERY VENT FAN RELAY GENERATOR CONTROL MODULE TEMPERATURE SENSOR GRN WIRE HOT AT ALL TIMES LEFT GENERATOR CONTROL MODULE COOLANT PUMP LT BLU WIRE ORG/ WIRE PNK/DK BLU WIRE RED WIRE RED/WHT WIRE RIGHT GENERATOR CONTROL MODULE COOLANT PUMP SENS REF SENS RTN SENS SIG TAN WIRE WHT WIRE WHT/GRN WIRE YEL WIRE