GMC Sierra 2500 HD (2002-2012) dk blu/wht Wiring diagrams

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 5 14 SW SIG 9 2 12 SERIAL DATA PNK WIRE AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/WHT 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 MEMORY/HEATED SEAT SWITCH DRIVER OUTSIDE REARVIEW MIRROR EXIT EXTEND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, L/R SELECT SW PWR LEFT LOGIC LOGIC DRIVER DOOR LOCK/WINDOW SWITCH LT BLU WIRE LT BLU/WHT WIRE MIRROR CIRCUIT ORG/ WIRE ORG/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED/WHT WIRE RETRACT RIGHT 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 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE GROUND DISTRIBUTION SYSTEM 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

BANK 1 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) CRANKSHAFT POSITION (CKP) SENSOR (RIGHT REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) FROM ECM/THROT CONT FUSE 5 (DIAGRAM 2 OF 6) GRY WIRE GRY/WHT WIRE HEATED OXYGEN INJ-A FUSE 24 INJ-B FUSE 13 LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT 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 PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE SNSR FUSE 18 SNSR FUSE 8 TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

5-VOLT REF 1 5-VOLT REF 1 5-VOLT REF 4 LOW REF BANK 1 SENSOR 1 (UPSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 1 (UPSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CMP SENS SIG PRESS SENS SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) GRY WIRE GRY/WHT WIRE HEATED OXYGEN IC 2 CTRL IC 6 CTRL IC 3 CTRL CKP SENS SIG IC 7 CTRL IC 5 CTRL LOW REF 5-VOLT REF 2 IGNITION 1 VOLT LOW REF KNOCK SENSOR (KS) 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (LOWER RIGHT SIDE OF ENGINE) KS 1 SIG KS 2 SIG LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL CAMSHAFT CTRL PPL TP SENS 2 SIG PPL/WHT WIRE TAC MTR CTRL 1 TAC MTR CTRL 2 IC 8 CTRL IC 4 CTRL LOW REF LOW REF TAN WIRE TAN/WHT WIRE TP SENS 1 SIG YEL WIRE YEL/BLK WIRE

1786 5985 TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM 6049 3108 2365 2931 6288 419 2927 2366 507 COOLING FANS SYSTEM 7493 2500 440 5991 2364 23 6141 6399 1439 COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM APP SIG 1 5 VOLT REF 5 VOLT REF BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM 439 492 25 1272 COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG FWD LOCK IND FWD LOCK SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXHAUST DIFFERENTIAL SENSOR (ON FRAME RAIL ABOVE CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 2 (IN EXHAUST, DOWNSTREAM OF CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 3 (IN EXHAUST, MIDDLE OF DIESEL PARTICULATE FILTER) EXTERIOR LIGHTS SYSTEM 1695 1694 TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM GRY WIRE GRY/BLK WIRE INJ HIGH CTRL A/C CLUTCH RLY CTRL LOW REF LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE NEAR FAN SHROUD) ORG/BLK WIRE PNK IGN 1 VOLT AIR FLOW SENS SIG GENERATOR TURN ON SIG LOW REF WIRE PNK WIRE PPL PPL PNK WIRE RED/WHT WIRE STARTER ENABLE RLY CTRL DEF VALVE HIGH CTRL LOW REF STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM 3101 6783 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF ACT CTRL CLOSE ACT CTRL OPEN BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (BPP) BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAC TEMP SENS SIG CKP SENS SIG CMP SENS SIG CTRL CYL 2 CTRL CYL 3 CTRL CYL 5 CTRL CYL 8 DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EGR VALVE SENS SIG EGRT SENS 1 SPLY VOLT EGRT SENS 2 SPLY VOLT EGRV MTR HIGH SIG EGRV MTR LOW SIG EGT SENS 1 SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT, NEAR FAN SHROUD) FUEL LEVEL SENS SIG FUEL TEMP 1 SIG FUEL TEMP SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR VALVE LEVEL SENSOR LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MTR CLOSE CTRL MTR OPEN CTRL NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG PPL/WHT WIRE PRESSURE SENS RTN PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE SHUTDOWN SIG SNSR SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG TRANSMI- SSIONS SYSTEM VOL SPLY W/O 2 SPEED TRANSFER CASE WATER IN FUEL SENS SIG WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (FRONT OF ENGINE, RIGHT OF CRANK PULLEY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DSL ECM FUSE 12 ECM BATT FUSE 11 ECM IGN FUSE 53 ECM/THROT CONT FUSE 17 ENG FUSE 3 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) VALVE (ON TOP RIGHT SIDE OF ENGINE) FUEL FILTER PRESSURE SWITCH (MIDDLE RIGHT RIGHT SIDE OF ENGINE) FUEL FUEL INJECTOR 8 INJECTOR 3 (ABOVE (TOP OF RIGHT CYLINDER 8) CYLINDER BANK) FUEL INJECTOR 2 (ABOVE CYLINDER 2) FUEL INJECTOR 5 FUEL PUMP FUSE 18 FUEL PUMP RELAY GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE PPL/WHT WIRE PWR/ TRN RELAY RED/WHT WIRE TAN WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 13 UNDERHOOD FUSE BLOCK (RIGHT SIDE OF FIREWALL) W/ 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/O 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

1786 5985 TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM 6049 3108 2365 2931 6288 419 2927 2366 507 COOLING FANS SYSTEM 7493 2500 440 5991 2364 23 6141 6399 1439 COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM APP SIG 1 5 VOLT REF 5 VOLT REF BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM 439 492 25 1272 COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG FWD LOCK IND FWD LOCK SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXHAUST DIFFERENTIAL SENSOR (ON FRAME RAIL ABOVE CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 2 (IN EXHAUST, DOWNSTREAM OF CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 3 (IN EXHAUST, MIDDLE OF DIESEL PARTICULATE FILTER) EXTERIOR LIGHTS SYSTEM 1695 1694 TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM GRY WIRE GRY/BLK WIRE INJ HIGH CTRL A/C CLUTCH RLY CTRL LOW REF LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE NEAR FAN SHROUD) ORG/BLK WIRE PNK IGN 1 VOLT AIR FLOW SENS SIG GENERATOR TURN ON SIG LOW REF WIRE PNK WIRE PPL PPL PNK WIRE RED/WHT WIRE STARTER ENABLE RLY CTRL DEF VALVE HIGH CTRL LOW REF STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM 3101 6783 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF ACT CTRL CLOSE ACT CTRL OPEN BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (BPP) BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAC TEMP SENS SIG CKP SENS SIG CMP SENS SIG CTRL CYL 2 CTRL CYL 3 CTRL CYL 5 CTRL CYL 8 DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EGR VALVE SENS SIG EGRT SENS 1 SPLY VOLT EGRT SENS 2 SPLY VOLT EGRV MTR HIGH SIG EGRV MTR LOW SIG EGT SENS 1 SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT, NEAR FAN SHROUD) FUEL LEVEL SENS SIG FUEL TEMP 1 SIG FUEL TEMP SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR VALVE LEVEL SENSOR LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MTR CLOSE CTRL MTR OPEN CTRL NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG PPL/WHT WIRE PRESSURE SENS RTN PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE SHUTDOWN SIG SNSR SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG TRANSMI- SSIONS SYSTEM VOL SPLY W/O 2 SPEED TRANSFER CASE WATER IN FUEL SENS SIG WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (FRONT OF ENGINE, RIGHT OF CRANK PULLEY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DSL ECM FUSE 12 ECM BATT FUSE 11 ECM IGN FUSE 53 ECM/THROT CONT FUSE 17 ENG FUSE 3 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) VALVE (ON TOP RIGHT SIDE OF ENGINE) FUEL FILTER PRESSURE SWITCH (MIDDLE RIGHT RIGHT SIDE OF ENGINE) FUEL FUEL INJECTOR 8 INJECTOR 3 (ABOVE (TOP OF RIGHT CYLINDER 8) CYLINDER BANK) FUEL INJECTOR 2 (ABOVE CYLINDER 2) FUEL INJECTOR 5 FUEL PUMP FUSE 18 FUEL PUMP RELAY GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE PPL/WHT WIRE PWR/ TRN RELAY RED/WHT WIRE TAN WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 13 UNDERHOOD FUSE BLOCK (RIGHT SIDE OF FIREWALL) W/ 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/O 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE