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Hi All. I am rebuilding the interior of my 66 stang right now. I tried to wire up the cluster and everything works except the fuel and oil pressure gauges. The wiring is correct and was working one month ago when I took everything apart. Could this just be the voltage regulator? I cannot think of anything else. Thanks

geoff
 

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Hi All. I am rebuilding the interior of my 66 stang right now. I tried to wire up the cluster and everything works except the fuel and oil pressure gauges. The wiring is correct and was working one month ago when I took everything apart. Could this just be the voltage regulator? I cannot think of anything else. Thanks

geoff
 

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It's likely yours and the OP from 15 years ago both have problems with the voltage regulator for the gauges, which is different from the regulator for the generator/alternator. Try to find a wiring diagram for your car. The instrument voltage regulator was mechanical and reduced the 12-14 volt battery voltage to 5-6 volts I believe. Pretty sure there are solid state replacements available now.

Pat
 

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Hi All. I am rebuilding the interior of my 66 stang right now. I tried to wire up the cluster and everything works except the fuel and oil pressure gauges. The wiring is correct and was working one month ago when I took everything apart. Could this just be the voltage regulator? I cannot think of anything else. Thanks

geoff
 
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