2001 GMC Yukon stereo wiring colors
PART
COLOR
LOCATION
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 #6
@ 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 ( - )
WHITE (-)
@ BCM, LIGHT BLUE plug, Pin A5, See NOTE #4
PARKING LIGHTS ( + )
BROWN (+)
@ BCM, LIGHT BLUE Plug, Pin B6, See NOTE #4
POWER LOCK
LIGHT BLUE (TYPE A)
@ BCM, BROWN plug, Pin A4, See NOTE #4
POWER UNLOCK
WHITE (TYPE A)
@ BCM, BROWN Plug, Pin A3, See NOTE #4
DOOR TRIGGER
See NOTE #2
@ BCM, See NOTE #4
DOMELIGHT SUPERVISION
TAN (-)
@ BCM, PURPLE Plug, Pin B4, See NOTE #4
TRUNK RELEASE
N/A
SLIDING POWER DOOR
N/A
HORN
BLACK (-)
@ STEERING COLUMN HARNESS
TACH
WHITE (AC)
@ ECM, See NOTE *2
WAIT TO START LIGHT
DARK BLUE (-), See NOTE #5
@ INSTRUMENT CLUSTER
BRAKE
WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM
LIGHT GREEN (-)
@ BCM, PURPLE plug, Pin B3, See NOTE #4
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.
EXTRA INFORMATION
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: This vehicle has 2 door trigger wires, the DRIVERS DOOR is a TAN (-) PURPLE plug, B4 and ALL OTHER doors BLUE/WHITE (-) LIGHT BLUE plug, Pin B11 at the BCM use both Door Trigger wires and DIODE ISOLATE when connecting to an ALARM SYSTEM, to connect, See DIAGRAM. NOTE #3; 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 #4: The BCM (Body Control Module) is located behind the drivers side of dash, with the plugs facing the rear of the vehicle. 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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