Vehicle Wiring Details for a
2002 GMC Savana Van
Item Wire Color Polarity Wire Location
12V red or red/white Positive (+) ignition harness
Starter yellow Positive (+) ignition harness
Starter 2 none
Ignition pink Positive (+) ignition harness
2nd Ignition pink/white or white Positive (+) ignition harness
3rd Ignition none
Accessory orange Positive (+) ignition harness
Accessory 2 none
Tachometer white VCM [1]
Power Door (Lock)
Wiring Diagram for
[Positive (+)] Door Lock
lt. blue Positive (+) drivers door harness
Power Door (Unlock)
Wiring Diagram for
[Positive (+)] Door Unlock
white Positive (+) drivers door harness
Door Trigger purple Negative (-) drivers door harness
Dome Supervision
Wiring Diagram for
[none] Dome
none none none
Headlights yellow Positive (+) light switch
Parklight Positive brown Positive (+) light switch
Parklight Negative none
Wipers brown Positive (+) steering column
Left Front Window
(Up/Down)
dk. blue - brown LF window motor in door
Right Front Window
(Up/Down)
lt. blue - tan drivers door harness
Left Rear Window
(Up/Down)
none
Right Rear Window
(Up/Down)
none
Trunk/Hatch Pin orange/black Negative (-) at light in rear cargo area
Hood Pin none
Trunk/Hatch Release
Wiring Diagram for
[] Trunk/Hatch
none
Factory Alarm
(Arm)
none
Factory Alarm
(Disarm)
none
Horn black Negative (-) above ignition harness
Brake white Positive (+) stop light switch
Door Motor
(Lock)
gray drivers kick panel
Door Motor
(Unlock)
tan drivers kick panel
Disarm tan passengers kick panel
Disarm No Unlock none none none
Additional Info:
This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with Commando part PassMod. [1] The VCM is located under the hood on the drivers inner fender well.

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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