What is your question?
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What is your question?
It will shift into 4WD HI or Auto 4WD and then back to 2WD but then will not shift again without shutting the truck off and restarting, The Service 4WD light comes on after shifting back to 2WD.Not sure where to start to fix this.

1 Reply
that sounds to be 4x4 shift actuator they sell em at advance auto