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GMC YUKON XL
MODEL YEAR(S
YUKON XL 2003-2006
KEY T-HARNESS IMMOBILIZER
N/A GM-12 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 LIGHT GREEN (-) @ IGNITION SWITCH HARNESS
PARKING LIGHTS ( - ) GRAY/BLACK (-) @ HEADLIGHT SWITCH or BCM, BROWN Plug, Pin B2, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) IN DRIVERS KICK PANEL
POWER LOCK See NOTE #1
POWER UNLOCK See NOTE #1
LOCK MOTOR WIRE N/A
DOOR TRIGGER See NOTE #3 14301_YUKON-XL_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION GRAY/BLACK (-) @ BCM, BLACK Plug, Pin E, See NOTE #2
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, GRAY Plug, Pin B9, See NOTE #2
TACH WHITE (AC) @ PCM, GREEN plug, Pin 10, See NOTE #4
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM LIGHT GREEN (-) in DRIVERS DOOR MODULE in DRIVERS DOOR
ANTI-THEFT YELLOW (+), BLACK (-) and RED/WHITE (Not Used) GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler
NOTES
NOTE #1: This vehicle requires an Interface Module Part# XK09 or GMDL-BP to

connect the keyless entry AND bypass the PASSLOCK 2 System. If NOT installing

keyless entry use the 791 bypass module instead. To order go to the security/interface bypass module

page on this website.







NOTE #2; The BCM (Body Control Module) is located behind the drivers side of the dash,

with the plugs facing the rear of the vehicle.





NOTE #3: This vehicle use (2) door pin triggers, the DRIVERS DOOR is a GREY/BLACK (-) at the

DRIVERS DOOR module in the DRIVERS DOOR. The PASSENGER DOOR is a

BLACK/WHITE (-) at the PASSENGERS DOOR module in the PASSENGERS DOOR. The

DRIVERS REAR DOOR is a LIGHT BLUE/BLACK (-) Pin A3 and the PASSENGERS REAR

DOOR is a LIGHT GREEN/BLACK (-) Pin A2, both are located at the BCM, PURPLE plug.

When connecting to an ALARM SYSTEM, use all 4 Door Trigger wires and DIODE

ISOLATE, to connect, See DIAGRAM





NOTE #4: The PCM (Power Control Module) is located in the LEFT front of the engine

compartment to the LEFT of the fan shroud. The TACH wire is in a GREEN Plug Pin 10.







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

for REMOTE STARTING!!!!!!
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EXTRA INFORMATION