still can not find the switch
makes sense what he said about the "light" switch. Went to napa and got new switch, but don't see where it goes. I see the "one wire" sending unit on top of the water pump right beside the thermostat, but do not see the other sensor for the light. And why , if it is a switch, would the light be dim at start up and grow brighter as the engine warms. It has been constant since engine installation, and has never fluctuated. ALWAYS dim when engine is cold and brightens as it warms up. The gauge does not seem to ever move, but it was that way before installing the new engine. And also, NAPA could only find the "two wire" sensor, and did not show any other coolant temp sensor. By the way just found this site. Appreciate the help. Tremendously!!!!