Cadillac Escalade GMT900 (2006-2014) computer data lines system Wiring diagrams

ABS-1 FUSE 61 ABS-2 FUSE 9 BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR VALVE (BPMV) BRK SENS VEH SPD SIG LOW REF GND GMLAN - GMLAN - BRN WIRE CAN H GND COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR (WSS) (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) (LEFT REAR WHEEL HUB ASSEMBLY) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MOUNT) NCA WIRE ORG/ WIRE ORG/BLK WIRE RADIO RED WIRE RED/BLK WIRE RF WHL SENS RF WHL SENS RR WHL SENS LR WHL SENS LF WHL SENS RIGHT REAR WHEEL SPEED SENSOR (WSS) (RIGHT REAR WHEEL HUB ASSEMBLY) STEERING ANGLE SENS STEERING ANGLE SENS A TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSS W/ LUXURY EDITION W/O LUXURY EDITION YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK WIRE

12 13 PPL BRK SIG 16 17 10 19 GMLAN GMLAN GMLAN COMM DATA AUX HVAC-IGN FUSE 48 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE ABS IND WARNING IND BRAKE BOOSTER VACUUM SENSOR (BRAKE BOOSTER UNIT) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) CADILLAC GMC/CHEVROLET COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY GRY WIRE GRY/WHT WIRE HOT W/ RUN/CRNK RELAY ENERGIZED I/P MULTI-FUNCTION SWITCH (GMC/CHEVROLET) TRACTION CONTROL SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PNK WIRE PPL PRK BRK SW RIGHT FRONT WHEEL SPEED SENSOR (WSS) (RIGHT FRONT WHEEL HUB ASSEMBLY) STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TRACTION SW UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE DYNAMICS IND YEL WIRE YEL/BLK WIRE

ABS-1 FUSE 61 BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR BRN WIRE COMM DATA COMPUTER DATA LINES SYSTEM DIMMING CTRL CAN BUS HI DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GND GMLAN+ GMLAN+ LF WHEEL SENS CTRL LF WHEEL SENS SIG GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 HOT AT ALL TIMES LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE RADIO RED WIRE RED/BLK WIRE SERIAL DATA B+ GMLAN- GMLAN- LOW REF RF WHEEL SENS CTRL STEERING ANG SENS B CAN BUS LOW STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VALVE (BPMV) VSS W/ LUXURY EDITION W/O LUXURY EDITION YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK WIRE

12 13 PPL BRK SIG 16 17 10 19 GMLAN GMLAN GMLAN COMM DATA ACCESSORY SWITCH AUX HVAC-IGN FUSE 48 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE ABS IND IND BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRN WIRE CADILLAC GMC/CHEVROLET COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY GRY/BLK WIRE GRY/WHT WIRE HOT W/ RUN/CRNK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) (LEFT REAR WHEEL HUB ASSEMBLY) LOGIC LT BLU WIRE LT BLU/BLK WIRE NCA WIRE ORG/WHT WIRE PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PNK WIRE PPL PRK BRK SW RIGHT FRONT WHEEL SPEED SENSOR (WSS) (RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (WSS) (RIGHT REAR WHEEL HUB ASSEMBLY) STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TRAC DISABLED IND TRACTION SW UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

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

21 22 SENS SIG LOW REF A/C CMPRSR FUSE 17 A/C CMPRSR RELAY AUX HVAC-IGN FUSE 48 BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF LEFT CYLINDER HEAD) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED HVAC BATT FUSE 39 HVAC BLWR FUSE 70 HVAC-IGN FUSE 55 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RUN/ CRANK RELAY TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ HEATED STEERING WHEEL 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

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

BLK WIRE BLOWER MOTOR BLUE IND BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COOL DIMMING CTRL IND BACKLIGHT DIMMING CTRL EXP/PTO FUSE 47 FORWARD/ GMLAN SERIAL DATA BUS + HEAT (+) HEAT BLUE IND HEATED, COOLED CUP HOLDER HOT AT ALL TIMES IGN IGN VOLT LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC NCA WIRE ORG/ WIRE PPL/WHT WIRE REARWARD RED WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2501 2500 COMPUTER DATA LINES SYSTEM 465 945 239 1580 5986 ENGINE CONTROLS SYSTEM B+ RLY ENABLE BLK WIRE BODY MOUNT) (W/ 20 SERIES HYBRID) BODY MOUNT) TRAILER BRAKE CONTROL RELAY (UNDER LEFT REAR OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG TRL BRK RLY IGN 1 FUEL PUMP CTRL COMM DATA FRONT FUEL, FUEL PRESSURE SENDER ASSEMBLY SENSOR (EXCEPT 6.0L (VIN G)) FSCM FUSE 21 FUEL PUMP CTRL GMLAN - GMLAN + GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ RUN/CRNK RELAY ENERGIZED LOW REF GMLAN - GMLAN + LOW REF RLY FEEDBACK PRESS SENS SIG GAIN SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 NCA WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM PPL RED/BLK WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STUD 2 FUSE 63 TAN WIRE TAN/BLK WIRE TCC BRK SIG TRAILER BRAKE CONTROL SWITCH TRAILER CONNECTOR (CENTER REAR OF VEHICLE) TRL BRK SIG TRL BRK SIG RLY FEEDBACK W/ 10 SERIES W/ 20 SERIES YEL WIRE YEL/BLK WIRE