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Discussion Starter #1
I have a new '66 sender unit installed but I am not getting any response from my gas gauge. the gauge will move slightly, from far left to empty but not any further. The wiring and gauge is good (I checked them) the sender unit has a good ground. What's wrong?
 

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does your oil pressure and water temp gauge do anything. also ground gas gauge wire at tank and see if gauge goes to full. PM me if you need further suggestion.
 
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Discussion Starter #5
Check your constant voltage regulator. If that was bad though, none of your other guages would work either. You have probably installed a Taiwan reproduction sending unit, since Ford ones are obsolete now, and it could very possibly be bad too.
 
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