Cadillac Escalade GMT900 (2006-2014) low ref Wiring diagrams

BLK WIRE COIL CTRL DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF LEFT CYLINDER HEAD) FAN CNTRL RELAY FAN HI RELAY FAN LO RELAY FAN-1 FUSE 57 PWR/ TRN RELAY FAN-2 FUSE 60 GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN (BEHIND RADIATOR) LOW REF LT BLU WIRE RIGHT COOLING FAN (BEHIND RADIATOR) RLY CTRL SENS SIG TAN WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON IND A/C ON SWITCH AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE FRESH AIR IND FRESH AIR REQUEST SWITCH FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC CONTROL MODULE JUNCTION BLOCK (LEFT END OF DASH) LEFT TEMPERATURE CONTROL LOGIC LONG WHEEL BASE LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOWN SWITCH MODE UP SWITCH OF DASH) ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL AIR TMP REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL SHORT WHEEL BASE SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL TAN WIRE UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR UPPER RIGHT AIR TEMPERATURE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 MDE CNTRL TEMP CNTRL LOW REF AUTO SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) BLK WIRE BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GMLAN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK LOGIC LOGIC BLOWER SPEED UP SWITCH LONG WHEEL BASE LOW REF MODE SWITCH MTR CNTRL ORG/ WIRE PNK PNK WIRE PNK WIRE REAR HVAC FUSE (LEFT END OF DASH) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE SHORT WHEEL BASE SNS CNTRL SPD CTRL TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1050 6101 GROUND LOW REF 1851 300 193 GROUND IGN VOLT RER DEFG POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM A/C LOW PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C ON IND A/C ON SWITCH AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L COMPUTER DATA LINES SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (CENTER OF DASH) BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FRESH AIR IND FRESH AIR REQUEST SWITCH FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT TEMPERATURE CONTROL LOGIC LONG WHEEL BASE LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOWN SWITCH MODE UP SWITCH ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL RLY CTRL SHORT WHEEL BASE SNS SIG DRV SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL TAN WIRE UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR (CENTER OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (CENTER OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 MDE CNTRL TEMP CNTRL LOW REF AUTO SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) B+ GROUND SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) GMLAN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY FUSE BLOCK ACCM (LEFT SIDE OF FUSE 3 ENGINE COMPT) HVAC CONTROL MODULE I/P FUSE BLOCK LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOGIC BLOWER SPEED UP SWITCH LONG WHEEL BASE LOW REF MODE SWITCH MTR CNTRL OFF SWITCH ORG/ WIRE PNK WIRE REAR HVAC FUSE (LEFT END OF DASH) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE SHORT WHEEL BASE SNS CNTRL SPD CTRL TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF ACCESSORY WAKEUP SERIAL DATA ANTI-THEFT SYSTEM BATTERY BCM FUSE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SW SIG COMPUTER DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL DIMM SIG CTSY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY CTRL EXCEPT HYBRID FOG LAMP RELAY CTRL FRONT FOG LAMP SW SIG GRN/WHT WIRE GROUND GRY WIRE HEADLAMP HI BEAM RELAY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA BUS + HOOD AJAR SW SIG HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) I/P LAMP DIMMER SW SIG INDICATOR DIM CTRL INTERIOR LIGHTS IPC FUSE 46 IS LAMPS FUSE LED DIM CTRL LINES SYSTEM LO SPD SERIAL DATA LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT STOP TRN FUSE LT TRLR TURN SIG LAMP NET WORK BUS NOT USED ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RT FRT TURN SIG LAMP CTRL RT STOP TRN FUSE RT TRLR TURN SIG LAMP RUN/CRANK RELAY CTRL SECURITY IND CTRL SERIAL DATA COMM ENABLE STOP LAMPS FUSE SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK WASHER RELAY CTRL WIPER MOTOR PARK SW SIG WIPER/WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 LOW REF 1 2 3 MTR PHASE V MTR PHASE W MTR PHASE U 5 VOLT REF ACCESSORY DC POWER CONTROL MODULE (TOP OF ENGINE) AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BRAKE MASTER CYLINDER PISTON POSITION SENSOR (ON BRAKE MASTER CYLINDER) BRN WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ELECTRIC POWER STEERING (EPS) MOTOR ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) EPS FUSE 7 GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS- B+ HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS- HI SPD GMLAN DATA BUS- SER DATA ENABLE HOT AT ALL TIMES HYBRID W/ VACUUM POWER BRAKES W/ HYDRAULIC POWER BRAKES IN SHAFT COS IN SHAFT SIN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOW REF LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE OUT SHAFT COS OUT SHAFT SIN POWER STEERING ASSIST MOTOR (LOWER FRONT OF ENGINE COMPT) POWER STEERING DYNAMIC BRAKE CIRCUIT POWER STEERING MOTOR ROTATIONAL SENSOR POWER STEERING SHAFT TORQUE SENSOR RED WIRE RED/WHT WIRE RESOLVER COS RESOLVER SIN STEERING ANGLE SENS PHASE A STEERING ANGLE SENS PHASE B STEERING ANGLE SENS PHASE C STEERING ANGLE SENS SIGNAL STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

7 3 SUPPLY VOLT LOW REF BATT POS VOL BATTERY BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DEFOG IND DK GRN WIRE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) GMLAN SER DATA GROUND HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT END OF DASH) IGN LOGIC LOW REF PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE POWER DISTRIBUTION SYSTEM REAR DEFOG SWITCH RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SERIAL DATA SUPPLY VOLT WHT WIRE

BLK WIRE BODY MOUNT) BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK GRN WIRE DK GRN/WHT WIRE EXTENSION GRY WIRE GRY/WHT WIRE IGN VOLT IGNITION COILS (LEFT SIDE OF ENGINE) LINES SYSTEM COMPUTER DATA LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE PNK PNK PNK WIRE PNK PPL WIRE PNK WIRE PPL PUMP CTRL RED/WHT WIRE REF VOLT RELAY CTRL SENS SIG SERIAL DATA SHIELD SPARK PLUG TAN WIRE TAN/BLK WIRE W/O TRAIL BRAKE, 20 SERIES YEL WIRE

BANK 1 SENS 1 BANK 2 SENS 1 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM/THROT CONT FUSE 5 ENG FUSE 4 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG IGN COIL 2 CTRL IGN COIL 3 CTRL IGN COIL 4 CTRL IGN COIL 5 CTRL IGN COIL 6 CTRL IGN COIL 7 CTRL IGN COIL 8 CTRL IGN VOLT INJ-A FUSE 24 INJ-B FUSE 13 INJECTOR 1 CTRL INJECTOR 2 CTRL INJECTOR 3 CTRL INJECTOR 4 CTRL INJECTOR 5 CTRL INJECTOR 6 CTRL INJECTOR 7 CTRL INJECTOR 8 CTRL LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MAF SENS SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POS SENS SIG PPL PPL/WHT WIRE PRESS SENS SIG PWR/ TRN RELAY SENS 1 SIG SENS 2 SIG SNSR FUSE 18 SNSR FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE