A

afongofva

Guest
I have a 2000 GMC Envoy and the light is switching between 2 WD and 4 WD
for awhile and now, I think it is stuck on the 4 wheel drive mode... I can
it the drive whines... Is this the electronic module (controller) problem?
I can hear the solinoid kicking back and forth when
the light is switching.

 

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