Vehicle Wiring Details for a
1995 Buick Park Avenue
Item Wire Color Polarity Wire Location
12V red Positive (+) ignition harness
Starter yellow Positive (+) ignition harness
Starter 2 none
Ignition pink Positive (+) ignition harness
2nd Ignition none
3rd Ignition none
Accessory orange Positive (+) ignition harness
Accessory 2 none
Tachometer purple/white [3] ignition coil
Power Door (Lock)
Wiring Diagram for
[Positive (+)] Door Lock
lt. blue Positive (+) either kick panel
Power Door (Unlock)
Wiring Diagram for
[Positive (+)] Door Unlock
white Positive (+) either kick panel
Door Trigger dk. blue or white Negative (-) drivers door harness
Dome Supervision
Wiring Diagram for
[] Dome
use door trigger
Headlights yellow [1] Positive (+) headlight switch [1]
Parklight Positive brown Positive (+) low in drivers kick panel
Parklight Negative none
Wipers purple Positive (+) steering column
Left Front Window
dk. blue - brown drivers door motor
Right Front Window
blu/wht - tan in drivers door or dkp
Left Rear Window
dk. grn - purple A in drivers door or dkp
Right Rear Window
lt. grn - purple A in drivers door or dkp
Trunk/Hatch Pin orange/black [2] Negative (-) trunk light or switch
Hood Pin none
Trunk/Hatch Release
Wiring Diagram for
[Positive (+)] Trunk/Hatch
black/white Positive (+) low in drivers kick panel
Factory Alarm
Factory Alarm
lt. green Negative (-) drivers door harness
Horn black Negative (-) steering column
Brake white or lt. blue Positive (+) brake pedal switch
Door Motor
gray drivers door harness
Door Motor
tan drivers door harness
Disarm tan passenger door harness
Disarm No Unlock none
Additional Info:
[1] Some models use white (-) at the headlight switch. [2] Models with a trunk ajar indicator have a red/black low in the drivers kick panel. [3] You may also use white at the back of the instrument cluster. [4] Located at the PCM in the passenger kick panel, or behind the instrument cluster.

ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter. GNU Industries, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. GNU assumes no responsibility resulting from an improper installation, even in reliance upon this information.

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