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post #4 of (permalink) Old 12-24-2016, 01:51 AM
Darth
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Join Date: Apr 2013
Location: Canada
Posts: 333
 
Quote

At the full nominal voltage of 12 Volts to ground (few windings in the circuit it reads full. If you have a bad ground (with a lot more resistance than 60 Ohms) then it will always just sit there at empty and laugh at you!

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For those who read this, I think Dave meant to say " If you have a bad ground (with a lot more resistance than 60 Ohms) then it will always just sit there at full and laugh at you!

A 60's GM with a bad ground on the fuel gauge will show way past full.
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