Question about 2002 GMC Sierra
I have a 2002 GMC Sierra 1500 Z71. The ESOF is not engaging, the lights do not come on, there is no noise coming from the servos and the service 4 wheel drive light came on in the message center. I have checked the fuse, which is fine.
Well, have you checked the relay which is under the hood? Also have you hooked it up to a computer at a local Auto Parts Store to see if it is throwing any codes? It could be a number of things but check the above two things first and let me know what you find and I can direct you from there.
Posted on Jan 29, 2009
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Posted on Jan 02, 2017
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