When I Try to go into 4X4 by pressing the buttons on the dash nothing happens, no lights come on. I can't go into low range either. When I first bought the truck I used it once and it worked fine. Any help would be greatly appreciated. Please contact me at rwbohlke@sbcglobal.net. Thanks, Bob.

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Its a notorious problem & could be a few things. Check fueses obviosly, then check the relays (they put them in different places in different trucks so check your manual). Now check the wiring into the shift motor on your transfer case. If nothing else, take apart the motor, clean it, loob the SHIT out of it, & put it back together.