1966 Ford Galaxie fuel gauge stays full indicator

Asked by Aug 05, 2018 at 09:13 PM about the 1966 Ford Galaxie

Question type: Maintenance & Repair

I have a 1966 Ford Galaxie 500 and the fuel gauge
stays full all the time.   I changed the fuel sending
unit and no change. Any suggestions?  Help much
appreciated thank you

6 Answers

2,725

Try Standard Motors part number RU100 (or RU100T) voltage reducer

Thank you. I just purchased the instrument panel voltage regulator and let you know what happens. Where does the voltage reducer go?

2,725

The voltage reducer would go inline with the feed wire for the guage, it limits 12 volts down to 6 volts.

ah ok so it goes in series. Makes sense. I'm going to try the instrument panel voltage regulator and keep you posted

2,725

Please do! If all else fails there may be a fault in the gauge itself which may be repairable by an auto electric wizard

I did notice that the voltage regulator does take the volts from 12 to 6. So maybe the voltage reducer won't be needed. I should be picking up the regulator tonight.

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