Cadillac Escalade GMT800 (2001-2006) body control module (lower left side of dash, below steering column) Wiring diagrams

11 12 PPL AMBIENT LIGHT SENS LO REF AMBIENT LIGHT SENS SIG RIGHT SUNLOAD SENSOR SIG LEFT SUNLOAD SENSOR SIG AMBIENT LIGHT SENSOR BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE GRY WIRE LEFT AIR TEMPERATURE ACTUATOR (BOTTOM OF HVAC MODULE) LEFT SOLAR SENSOR LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE MODE ACTUATOR (LEFT SIDE OF HVAC MODULE) PPL RECIRCULATION ACTUATOR (UPPER RIGHT OF HVAC MODULE) RIGHT AIR TEMPERATURE ACTUATOR (TOP OF HVAC MODULE) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT SOLAR SENSOR SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP LOW CTRL CTSY LAMP ON SIG CLASS 2 DATA CLASS 2 SERIAL DATA CTSY LAMP CTRL CTSY LAMP POWER CTSY LAMP SUPPLY DK BLU WIRE DK BLU/WHT WIRE DOME LAMP SWITCH DOOR AJAR SIG DRIVER DOOR MODULE (BEHIND LEFT FRONT DOOR TRIM PANEL, NEAR HANDLE) GRY/BLK WIRE HEADLAMP SWITCH INADVERTANT PWR SUPPLY LEFT FRONT DOOR COURTESY LAMP LEFT LIFTGATE AJAR SWITCH RIGHT LIFTGATE AJAR SWITCH LIFTGATE AJAR SIG RR DOOR AJAR SIG LR DOOR AJAR SIG LIFTGLASS AJAR SWITCH LOW REF LR DOOR COURTESY LAMP (2003) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MINI WEDGE (DRIVER DOOR JAMB SWITCH) MINI WEDGE (LR DOOR JAMB SWITCH) MINI WEDGE (RR DOOR JAMB SWITCH) ORG/ WIRE PNK/BLK WIRE PPL INT LAMP DEFEAT SIG PPL INT LAMP DEFEAT SW RIGHT CARGO DOOR AJAR SWITCH RIGHT CARGO DOOR CONTACT PLATE RR DOOR COURTESY LAMP (2003) SPLICE PACK TAN WIRE W/ CARGO DOORS W/O CARGO DOORS

2 HI IND CONTROL 2-HI IND 4 HI IND CONTROL 4 LO IND CONTROL 4-HI IND 4-LO IND 5 VOLT REF HEADLAMP ON IND CTRL DRL OFF IND CTRL FOG LAMP RLY CTRL PNK PPL WIRE AUTO BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE CONTROL DIMMING INPUT DIMMING RETURN DK GRN/WHT WIRE DRL OFF GRY WIRE GRY/BLK WIRE HEADLAMP ON HEADLAMP SWITCH IND INSTRUMENT CLUSTER INSTRUMENT PANEL DIMMING LED DIMMING SUPPLY I/P LAMPS DIMMING SUPPLY LEFT REAR WINDOW SWITCH LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK DIFF LOCK IND CONTROL WIRE PNK WIRE PPL PPL/WHT WIRE REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING MODE SELECT SWITCH (W/ FOUR WHEEL STEERING) RED WIRE RIGHT REAR WINDOW SWITCH TAN WIRE TAN/BLK WIRE TOW IND TOW MODE IND TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH

58 59 SERIAL DATA SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) DATA DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INSTRUMENT PANEL CLUSTER KEY LT GRN WIRE MAGNET LOCK CYLINDER ORG/ WIRE PASSLOCK SENSOR (INTERNAL TO STEERING COLUMN) PNK IGN PWR WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) PPL RED/WHT WIRE SECURITY SENSOR SENSOR PWR BATTERY GROUND SENSOR REF SERIAL DATA SENSOR SIG SERIAL DATA GROUND SPLICE TAMPER SENSOR TBC BATT FUSE TBC IGN 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) YEL WIRE