You can also replace the internal gauge regulator with a separate unit, mounted anywhere under the dash; but you have to do a little bit of re-wiring to install it. Kens’ suggestion is easier, if you have a good spare fuel gauge.
NAPA sells a separate unit under part number IR9, as I recall – it is called an “instrument regulator” and is also known as a 5 volt power supply or regulator.
It is a simple three terminal device: 12 volts in, ground for the case, and 5 volts out – which goes to the fuel, oil and temp gauges. The ammeter does not require the 5 volts.
From:
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Behalf Of Ken Lang
The voltage regulator for the gauges is cleverly hidden inside the fuel gauge. If you have the spare panel with a good fuel gauge, just swap it out.
Someone had mentioned some time back about a place that restores these units. Unfortunately, it was one of the many posts that fell victim to the ‘delete’ key.
Ken 67 Crown 4 Dr Ht
From:
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Behalf Of DON SAVARD
Hi all, Working on my 1967 Sedan and the Fuel, Temp and Oil Gauges do not move off empty. The shop manual refers to a voltage limiter on the instrument panel as the likely culprit. I do not find one on my instrument panel or the spare I have. Anybody out there seen this critter and where would it be? Thank Don Savard |