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CADILLAC ESCALADE EXT
MODEL YEAR(S
ESCALADE EXT 2002
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's PASSLOCK 2 ANTI-THEFT System, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE (+), See NOTE #5 @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) WHITE (-) @ BCM, LIGHT BLUE Plug, Pin A5, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) @ BCM, LIGHT BLUE Plug, Pin B6, See NOTE #2
POWER LOCK LIGHT BLUE (TYPE B) @ BCM, BROWN PLug, Pin A4, See NOTE #2
POWER UNLOCK WHITE (TYPE B) @ BCM, BROWN Plug, Pin A3, See NOTE #2
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) IN DRIVERS DOOR HARNESS
DOOR TRIGGER See NOTE #3 @ BCM, See NOTE #2 26500_ESCALADE-EXT_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION TAN (-) @ BCM, PURPLE Plug, Pin B4, See NOTE #2
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, BROWN Plug, Pin A9, See NOTE #2
TACH WHITE (AC) @ ECM See NOTE #4
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM LIGHT GREEN (-) @ BCM, PURPLE Plug, Pin 3, See NOTE #2
ANTI-THEFT YELLOW (+), ORANGE/BLACK (-) and RED/WHITE (Not used) GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler together and are in the Main Ignition Switch Harness in the Column.
NOTES
NOTE #1: This vehicle is equipped with GM'S PASSLOCK 2 ANTI-THEFT SYSTEM and Requires

791 Bypass Module for Remote starting



to order go to the SECURITY BYPASS MODULE Page on this website.









NOTE #2: the BCM is located UNDER the DRIVERS SIDE of the dash with the plugs facing the

rear of the vehicle.





NOTE #3: the DRIVERS DOOR wire is a TAN (-) Pin B4, PURPLE plug at the BCM and the

PASSENGER DOORS are a BLUE/WHITE (-) Pin B11, LIGHT BLUE Plug at the BCM.

When connecting to an ALALRM SYSTEM, use both wires and DIODE ISOLATE.

See DIAGRAM







NOTE #4: the ECM is located near the battery down low between the fender and the fan under

the BLACK plastic cover. The tach wire on the 4.3L engine is in a 20 Pin plug labled

RED. On all othe engines the TACH wire is located at Pin 10 in the RED connector.





NOTE #5: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE

STARTING!!!!!!
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