Originally Posted by
okiemark
Well, first of all I can eliminate rust. Everything is brand new. Body, wiring, gauges, everything. It has a 12 volt alternator with internal regulator. I have a ground cable that goes from engine to frame. I also have a ground that goes from the back of the speedometer cluster to the body. Everywhere I check I get a good ground. I will look to see if I can find that "sardine can" in the old dash. The diagram shows a "12 volt" wire directly from the battery to the back of the fuel gauge and that jumps over to the temp gauge. This thing does read about 14 volts when it is running, maybe that is an issue.