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Strokincowboy
10-22-2006, 04:21 PM
about three weeks ago i was working for a local ranch, i had to pull a twenty foot stock trailer through mud and running water in canyon bottoms. since then my truck has been acting up. the shift indicator does not show what gear i am in, it goes into park but does not unlock the doors. the automatic lights quit working. today i took it to the local carwash and washed off all of the mud, and now the check engine light stays on. Does ne body have ne ideas? i really dont want to take it to the dealership, but i am getting mighty tired of everthing messing up.

502_Jimmy
10-23-2006, 08:24 AM
Its likely the NSBU switch. You can get one from here (http://www.gmdieseltech.com/store2/cart.php?target=product&action=view&product_id=16197&category_id=278)

John