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What is your question?
service 4wd light is on what can i do to fix this
1 Reply
You'll need to diagnose the issue or have a shop look at it for you. Here is an article from our GM expert, it may help: http://bit.ly/7L2Kf6 If you need a shop, look here: http://repairpal.com/gmc-repair-in-new-lebanon-new-york