Cadillac Escalade GMT400 (1998-2000) (behind left side of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 ILLUMINATION GROUND 1995 VFTC AIR TEMP DR SENSOR MODE SIGNAL AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RELAY, HIGH (ON AUXILIARY A/C PLENUM) AUXILIARY BLOWER MOTOR RELAY, LOW (ON AUXILIARY A/C PLENUM) AUXILIARY BLOWER MOTOR RELAY, MEDIUM (ON AUXILIARY A/C PLENUM) AUXILIARY BLOWER MOTOR RESISTOR (ON AUXILIARY A/C PLENUM) AUXILIARY HEATER CONTROL MODULE (REAR) (BEHIND LEFT SIDE OF DASH) BATTERY IGNITION GROUND DEFOGGER ELEMENT BLK WIRE BLOWER FUSE 3 BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER RESISTOR (ON BLOWER MOTOR HOUSING) BLOWER SWITCH BRN WIRE CONVENIENCE CENTER DK BLU WIRE DK GRN WIRE GRY WIRE HIGH BLOWER RELAY (ON TOP OF FRONT A/C- HEATER BLOWER HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK LT BLU WIRE MEGA FUSE BLOCK OFF LO OFF LOW MED HIGH ORG/ WIRE PPL REAR DEFOGGER SYSTEM REAR OFF LOW MED HIGH RECIRC CTRL IGNITION RECIRCULATION DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) RED WIRE RR HVAC FUSE 5 TAN WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 ILLUMINATION GROUND A/C DISABLE RECIRC DOOR SIGNAL IGNITION A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR CYCLING SWITCH (IN LOW PRESSURE LINE, ON ACCUMULATOR) A/C CTRL A/C HIGH PRESSURE CUTOUT SWITCH (ON A/C COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH (ON A/C COMPRESSOR) A/C REQ AIR TEMP DR SENSOR MODE SIGNAL A/C SWITCH AUX FAN FUSE AUXILIARY COOLING FAN MOTOR AUXILIARY COOLING FAN RELAY (EXC 4.3L) (IN UNDERHOOD FUSE/RELAY CENTER) BATTERY IGNITION GROUND DEFOGGER ELEMENT BLK WIRE BLK/WHT WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER RESISTOR (ON BLOWER MOTOR HOUSING) BLOWER SWITCH BRN WIRE DIODE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT RECIRCULATION DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) FUSE BLOCK GRY WIRE HIGH BLOWER RELAY (ON TOP OF FRONT A/C-HEATER HOUSING) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD BLOWER FUSE 3 FUSE BLOCK HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 HVAC CONTROL MODULE IGN E FUSE A/C COMP FUSE LT BLU WIRE LT GRN WIRE OFF LO ORG/ WIRE PNK WIRE PPL REAR DEFOGGER SYSTEM RED WIRE SW SIG SW SIG RELAY CTRL TAN WIRE UNDERHOOD FUSE BLOCK VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 ILLUMINATION GROUND A/C DISABLE RECIRC CTRL IGNITION 1995 VFTC A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE BOX) A/C COMPRESSOR CYCLING SWITCH (ON TOP OF ACCUMULATOR) A/C COMPRESSOR HIGH PRESSURE CUTOUT SWITCH (REAR OF THE A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOUT SWITCH (ON TOP OF A/C COMPRESSOR) A/C FUSE A/C REQUEST AIR TEMP DR SENSOR MODE SIGNAL A/C REQUEST AUX FAN FUSE AUXILIARY COOLING FAN MOTOR AUXILIARY COOLING FAN RELAY (IN UNDERHOOD FUSE/RELAY CENTER) BATTERY IGNITION GROUND DEFOGGER ELEMENT BLK WIRE BLK/WHT WIRE BLOWER FUSE 3 BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER RESISTOR (ON BLOWER MOTOR HOUSING) BLOWER SWITCH OFF LO BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HIGH BLOWER RELAY (ON TOP OF FRONT A/C- HEATER BLOWER HOUSING) HOT AT ALL TIMES HOT IN RUN HOT IN RUN I/P IGN E FUSE FUSE BLOCK HTR A/C FUSE 12 HVAC CONTROL MODULE LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL REAR DEFOGGER SYSTEM RECIRCULATION DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) RED WIRE RELAY CONTROL SWITCH SIGNAL TAN WIRE UNDERHOOD FUSE BLOCK VEHICLE CONTROL MODULE (ENGINE COMPARTMENT NEAR EBCM) WHT WIRE YEL WIRE

253 39 43 PNK WIRE ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (IN CENTER CONSOLE) BRN WIRE CTSY FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DK BRN WIRE DK GRN WIRE DOOR LOCKS SYSTEM DR DR FEED DR LK SW DR LK SW DR LK SW DR LK SW EXT LIGHTS HORN RLY OUT EXTERIOR LIGHTS SYSTEM HORN SYSTEM GAUGES FUSE 4 GROUND GROUND BATTERY RAP OUT IGN SW OUT CTSY LAMP BATTERY GRY WIRE HEADLIGHTS SYSTEM PNK WIRE HOT AT ALL TIMES HOT AT ALL TIMES IGNB FUSE I/P FUSE BLOCK HOT IN RUN OR START IGNITION SWITCH LIFTGATE REL SWITCHED IGN FUSE OUT LOCK OFF LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PWR WDO CIRCUIT BREAKER RADIO BREAKOUT) RADIO FUSE 17 RED WIRE RED/BLK WIRE RR WIPER FUSE 23 RUN WIRE SEAT BLT IND SEAT BLT SW KEY SW SECURITY SIG INT LP OUT TAMPER SW SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEM TAN WIRE TRUNK, TAILGATE, FUEL DOOR SYSTEM UNDERHOOD FUSE BLOCK WARNING SYSTEM WHT WIRE WIPER FUSE 11 YEL WIRE

AUTOMATIC TRANSFER CASE CONTROL MODULE (BEHIND LEFT SIDE OF DASH) AUX PWR FUSE 7 BLK WIRE BLK/WHT WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) DIAG ENABLE DIESEL GASOLINE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF ENGINE COMPT) EXCEPT LUXURY HOT AT ALL TIMES I/P FUSE BLOCK INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT CARPET) ORG/ WIRE PPL PPL DATA CLSS 2 PROG ENABLE RADIO REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND CENTER OF DASH) SERIAL DATA TAN WIRE TAN/WHT WIRE UART DATA VEHICLE CONTROL MODULE (VCM) (ON LEFT SIDE OF ENGINE COMPT) VEHICLE INTERFACE UNIT

BLK WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) HEATED MIRROR RELAY (IN UNDERHOOD FUSE/RELAY CENTER) HEATER AND A/C CONTROL SWITCH HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 I/P FUSE BLOCK LEFT CARGO DOOR CONTACTOR LEFT HEATED MIRROR LEFT OUTSIDE REAR VIEW MIRROR LEFT REAR CARGO DOOR DEFOGGER GRID MIRRORS FUSE NCA WIRE ORG/ WIRE PICK-UP W/ EXTENDED OR CREW CAB PPL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RIGHT CARGO DOOR CONTACTOR RIGHT HEATED MIRROR RIGHT REAR CARGO DOOR DEFOGGER GRID RR DEFOG FUSE SOLID STATE TIME DELAY RELAY SUBURBAN/UTILITY W/ LIFTGATE SUBURBAN/UTILITY W/O LIFTGATE UNDERHOOD FUSE/RELAY CENTER W/ HEATED MIRRORS

AUX FUSE 22 AUXILIARY LEAD (TAPED TO HARNESS) BACK-UP LIGHTS CIRCUIT BLK WIRE BLU WIRE BRN WIRE CARGO LAMP CARGO LAMP SWITCH CENTER HIGH MOUNT STOP LAMP CHMSL LAMP (2 BULBS) CRUISE CONTROL SYSTEM CTSY FUSE 3 DK BLU WIRE DK GRN WIRE GRN WIRE GRY WIRE HAZARD NORMAL HEADLAMP, PANEL DIMMER SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES UNDER- HOOD FUSE- RELAY CENTER (LEFT REAR OF ENGINE COMPT.) HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRU- MENT CLUSTER RIGHT TURN INDIC LEFT LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN LAMPS LEFT SPOTLAMP ASSEMBLY (POLICE PACKAGE) LEFT TAIL/ STOP/ TURN LAMP DK DK LEFT TURN INDIC LICENSE LICENSE LAMP LAMPS LT BLU WIRE LT GRN WIRE MAXI FUSE 2 NCA WIRE OFF ORG/ WIRE PARK PARK LPS FUSE 9 PICKUP PNK WIRE POLICE PACKAGE (1999 ONLY) PPL REAR CLEARANCE LAMPS CIRCUIT RED WIRE RHEO- STAT RIGHT RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMPS RIGHT SPOTLAMP ASSEMBLY (POLICE PACKAGE) RIGHT TAIL/ STOP/ TURN LAMP ROOF MARKER LAMPS STOP- LAMP RELAY (EXCEPT SUBUR- BAN/ UTILITY) STOP/ HAZ FUSE 1 STOPLAMP SWITCH (TOP OF BRAKE PEDAL) SUBURBAN/ UTILITY TRAILER TOW CONNECTOR TURN B/U FUSE 16 TURN PWR HAZ PWR FLSHR OUT GND TURN/ HAZARD SWITCH TURN/HAZARD FLASHER (ON CONVENIENCE CENTER) UNDER- HOOD FUSE RELAY CENTER (LEFT REAR OF ENGINE COMPT.) W/ DUAL REAR WHEELS W/ STEP BUMPER W/O STEP BUMPER WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE (IN CENTER CONSOLE) CARGO DOOR JAMB SWITCH CTSY FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCK INVERSION MODULE (LEFT SIDE OF DASH) DR LCK SW DR UNLCK SW EXTERIOR LIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK LEFT FRONT DOOR JAMB SWITCH LEFT REAR DOOR JAMB SWITCH LIFTGATE JAMB SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PGND BATT PPL RIGHT FRONT DOOR JAMB SWITCH RIGHT REAR DOOR JAMB SWITCH SECURITY LED SHOCK SENSOR (IN CENTER CONSOLE) TAN WIRE WHT WIRE WHT/BLK WIRE

ASHTRAY LAMP AUDIO ALARM MODULE AUTOMATIC FRONT TRANSFER AUXILIARY CASE POWER SELECT OUTLET SWITCH AUTOMATIC TURN/ TRANSFER HAZARD CASE FLASHER CONTROL MODULE AUXILIARY COOLING FAN MOTOR BLK WIRE BLK/GRY WIRE BODY SHOCK CONTROL SENSOR MODULE BRAKE TRANS- MISSION SHIFT JAMB INTERLOCK IGNITION SWITCH SWITCH SWITCH CONVENIENCE CENTER DATA LINK CONNECTOR DAYTIME RUNNING LAMPS MODULE FRONT HEATER AND AUXILIARY A/C POWER CONTROL OUTLET SWITCH FRONT WINDSHIELD WIPER/ WASHER PUMP MOTOR GROUND STRAP HORN SWITCH HVAC CONTROL MODULE INFLATABLE CARGO RESTRAINT LAMP I/P MODULE SWITCH ENABLE (PICKUP) SWITCH KEY-IN WARNING BUZZER SWITCH (UPPER LEVEL) LEFT BATTERY LEFT FOG LAMP LEFT FRONT PARK/ TURN LAMP LEFT HIGH/ LOW BEAM HEADLAMP LEFT HORN LEFT LEFT HIGH LOW BEAM BEAM HEADLAMP HEADLAMP PICKUP ONLY POLICE PACKAGE RADIO REAR STEREO CONTROLLER REAR WINDOW WASHER PUMP MOTOR REAR WINDOW WIPER/ WASHER SWITCH (SUBURBAN/ UTILITY) RIGHT FOG LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT HIGH BEAM HEADLAMP RIGHT HIGH/ LOW BEAM HEADLAMP RIGHT HORN RIGHT LOW BEAM HEADLAMP SPARE SPOT LAMP SPOT LAMP RELAY TRANSFER CASE CONTROL MODULE TRANSFER CASE SELECT SWITCH UNCOATED UNDER- HOOD LAMP VEHICLE LOW COOLANT INTERFACE LEVEL UNIT INDICATOR (UPPER MODULE LEVEL) (DIESEL) W/ DUAL HORNS W/ QUAD HEADLAMPS W/ QUAD HEADLAMPS/ SPORT PACKAGE WINDSHIELD HEADLAMP WIPER AND PANEL MOTOR DIMMER MODULE SWITCH

1134 9 240 PARK BRK IN PARK LP IN BATTERY GROUND 2040 1364 BATTERY HDLP IN LT SENSE IN 33 33 INSTRUMENT CLUSTER SYSTEM (BRAKE WARNING INDICATOR) 624 9 39 EXT LTS PARK LPS IN IGNITION AUTOMATIC DAY/NIGHT REARVIEW MIRROR WITH COMPASS AUX PWR AUTO HEADLAMPS FUSE 22 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (IN CENTER CONSOLE) BRAKE IND CTRL BRAKE WARN IN BRN WIRE BULB TEST CONVE- NIENCE CENTER (UNDER LEFT SIDE OF DASH) CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) CONVENIENCE CENTER BREAKOUT, TOWARD DRL MOD) DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS RELAY DIODE 203 DRL INDICATOR DRL RELAY CTRL DRL-FOG FUSE 15 FOG LAMP RELAY FOG LAMP SWITCH GAGES FUSE 4 GRN WIRE GROUND GRY WIRE HARN BREAKOUT) HDLP OUT ANTI-THEFT 624 624 HEAD OFF PARK HEAD- LAMP DIMMER SWITCH HEADLAMP AND PANEL DIMMER SWITCH HEADLAMP CONTROL MODULE (LOWER LEFT SIDE OF DASH) HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, IGNITION SWITCH ILLUM LAMP INSTRUMENT CLUSTER LEFT DOOR HARN BREAKOUT) LEFT FOG LAMP LEFT HEADLAMP BREAKOUT TOWARD WINDSHIELD WASHER PUMP) LEFT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP RIGHT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LIGHTING FUSE 8 LO HI LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ON INDICATOR ORG/ WIRE PARK BRAKE SIG IND BULB CHK IGNITION LAMP FEED PNK WIRE PARK BRAKE WARNING SWITCH PARK LAMP BREAKOUT) PK LPS FUSE 9 PNK IGNITION WIRE PNK WIRE PPL PPL LT RED WIRE RIGHT FOG LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE/RELAY CENTER (LEFT REAR OF ENGINE COMPT) VEHICLE INTERFACE UNIT WHT WIRE YEL WIRE YEL/BLK WIRE