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GMC YUKON
MODEL YEAR(S
YUKON 1992-1994
KEY T-HARNESS IMMOBILIZER
N/A GM-3 N/A
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER PURPLE (+) or YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) BROWN (+) @ HEADLIGHT SWITCH
POWER LOCK LIGHT BLUE (TYPE C), See NOTE #1 IN EITHER DOOR HARNESS
POWER UNLOCK BLACK/RED (TYPE C), See NOTE #1 IN EITHER DOOR HARNESS
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) IN DRIVERS DOOR HARNESS
DOOR TRIGGER WHITE (-) @ HEADLIGHT SWITCH
DOMELIGHT SUPERVISION USE DOOR TRIGGER, (Requires Part #775 Relay)
TRUNK RELEASE BLACK (+) @ HATCH RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH PURPLE/WHITE (AC), See NOTE #3 @ ECM, See NOTE #2
WAIT TO START LIGHT DARK BLUE (+), See NOTE #4 @ INSTRUMENT CLUSTER
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT N/A
NOTES
NOTE #1: If vehicle is a 2-Door it is a TYPE C Door Lock System, if the vehicle is a 4-Door,

it is a TYPE A Door locking System.





NOTE #2: The ECM (Engine Control Module) is located BEHIND and to the RIGHT of

the GLOVEBOX





NOTE #3: For a TACH wire on a DIESEL use the WHITE wire at the ALTERNATOR or

INSTRUMENT CLUSTER.





NOTE #4: when hooking up a remote starter, if you cannot get the (+) or (-) Wait to Start

wire on the Remote Starter to work properly, you will then need to disconnect this

wire and Program the Remote Starter for the 5, 10, 15 or 20 Second Wait to Start

Timmer in the Installation manual.



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