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PART
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COLOR
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LOCATION
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DIAGRAM
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12 VOLT CONSTANT
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RED (+)
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@ IGNITION SWITCH HARNESS
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|
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STARTER
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YELLOW (+)
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@ IGNITION SWITCH HARNESS
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|
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STARTER 2
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N/A
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IGNITION 1
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PINK (+)
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@ IGNITION SWITCH HARNESS
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IGNITION 2
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WHITE (+), See NOTE #6
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@ IGNITION SWITCH HARNESS
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IGNITION 3
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N/A
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ACCESSORY/HEATER BLOWER 1
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ORANGE (+)
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@ IGNITION SWITCH HARNESS
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|
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ACCESSORY/HEATER BLOWER 2
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N/A
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KEYSENSE
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LIGHT GREEN (-)
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@ IGNITION SWITCH HARNESS
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PARKING LIGHTS ( - )
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WHITE (-)
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@ BCM, LIGHT BLUE plug, Pin A5, See NOTE #2
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PARKING LIGHTS ( + )
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BROWN (+)
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@ BCM, LIGHT BLUE plug, Pin B6, See NOTE #2
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POWER LOCK
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LIGHT BLUE (TYPE A)
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@ BCM, BROWN plug, Pin A4, See NOTE #2
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POWER UNLOCK
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WHITE (TYPE A)
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@ BCM, BROWN Plug, Pin A3, See NOTE #2
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LOCK MOTOR WIRE
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N/A
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DOOR TRIGGER
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See NOTE #3
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@ BCM, See NOTE #2
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22979_YUKON-XL_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
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DOMELIGHT SUPERVISION
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TAN (-), See NOTE #3
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@ BCM, PURPLE Plug, Pin B4, See NOTE #2
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TRUNK RELEASE
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N/A
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SLIDING POWER DOOR
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N/A
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HORN
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BLACK (-)
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@ BCM, BROWN plug, Pin A9, See NOTE #2
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TACH
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WHITE (AC)
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@ ECM, See NOTE #4
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WAIT TO START LIGHT
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DARK BLUE (-), See NOTE #5
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|
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BRAKE
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WHITE (+)
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@ SWITCH ABOVE BRAKE PEDAL
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FACTORY ALARM DISARM
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LIGHT GREEN (-)
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@ BCM, PURPLE plug, Pin B3 See NOTE #2
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ANTI-THEFT
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YELLOW (+), ORANGE/BLACK (-) and RED/WHITE (Not used)
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GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler together and are in the Main Ignition Switch Harness in the Column.
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NOTES
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NOTE #1: This vehicle is equipped with the PASSLOCK 2 ANTI-THEFT SYSTEM and will require a
791 Bypass Module for Remote Starting,
to order go to the SECURITY 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 TAN (-) at the BCM,
PURPLE plug, Pin B4, and for all other doors use the BLUE/WHITE (-) at the BCM,
LIGHT BLUE plug , Pin B11. When connecting to an ALARM SYSTEM, use both Door
Trigger wires and DIODE ISOLATE. to connect, See DIAGRAM
NOTE #4: The ECM (Engine Control Module) is located near the battery, down low, between the
fender and the fan, under a BLACK plastic cover. On the 4.3L engine it is in a 20 pin
connector labled RED. On the 4.8L, 5.3L and 6.0L engines it is located at Pin 10 in
the RED connector.
NOTE #5: 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.
NOTE #6: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2
for REMOTE STARTING!!!!!!
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