fuel gauge stopped reading right

wag123 said:
You would hook the test light to the gauge REGULATOR output and a good ground.
If the test light is coming on when the ignition switch is in the off position, you are either hooked up to the wrong place or you have another more serious electrical system wiring problem. This is more than likely what is causing your fuel gauge malfunction. I suspect that you might be getting 12v going directly to the fuel gauge and bypassing the gauge regulator. Your jostling the wires around under there may be why it is behaving differently from yesterday.
Forget trying to adapt an aftermarket fuel gauge. None of the aftermarket fuel gauges are compatible.
Click to expand...

Ok, thanks!

Found the instrument voltage stabilizer; if that's the regulator then I haven't exposed my total lack of electrical knowledge.

With the ignition switch on, the test light would not illuminate.

With the ignition switch off, the test light illuminated solid (did not blink) at each pole of the instrument voltage stabilizer.

Looks like time to invest in a yard stick until I get back to Atlanta.

Thanks again,

Allan Ballard
 
SIV Allan said:
Ok, thanks!

Found the instrument voltage stabilizer; if that's the regulator then I haven't exposed my total lack of electrical knowledge.

With the ignition switch on, the test light would not illuminate.

With the ignition switch off, the test light illuminated solid (did not blink) at each pole of the instrument voltage stabilizer.

Looks like time to invest in a yard stick until I get back to Atlanta.

Thanks again,

Allan Ballard
Click to expand...
Regulator/stabilizer, same thing. It shouldn't be getting power when the ignition switch is in the off position, you have a wiring problem.
Get a cheap wooden yardstick, or any other wood stick or dowel that doesn't have any paint on it. I filed grooves on mine to indicate 2 gallon increments.
 
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