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I have a 73 corvette and am trying to get my water temp gauge to work. I recently replaced both the gauge itself and the sending unit. I am not sure if i have it wired correctly or if i even have the right sending unit because the original engine in my car actually had two sending units. Neither of which were hooked up.
The sending unit i have is on the driver's side and is a two pronged unit. I have it attached to a dark green wire which i believe is the correct wire because every so often the guage will read around 210 and then just cut out.