I am wondering if I pull the wire off the termo switch the engine will turn over. I will try that tonight. I had been driving the truck with the temp guage pegged at hot but I could tell the engine was not over heated. The previous owner had installed a after market gauge in the truck and used the location of the old thermo sensor for his new temp guage imput. I replaced the radaitor and reinstalled the the old termo sensor that was removed on the intake manifold next to the T-stat. The factory temp guage was pegged after doing this but the truck engine seems to be opperating normally. When I drove the truck I checked to make shure it wasn't running hot. I thought I had a temp guage that was bad and it was not grounded but maybe I have a bigger problem now. <img src="/forums/images/graemlins/barf.gif" alt="" />