Thanks for the reply!
Nope, no response on the gauge whatsoever. I tried both gauges when the engine was both cold and at operating temp (hot) and nothing.
The NAPA box said Temp Sending Unit and so did the parts guy. I took in the old busted one with me and it matched up.
The unit threads into the side of the block, left (drivers) side between the front and second plug. Is it possible that I have a coolant blockage of some sort? I couldn't see where this would be the case because the sending unit would get hot even if it was bolted into solid cast iron.
Scott
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