Charging light on 1963 thunderbird
615

Asked by Neil Apr 20, 2017 at 08:21 AM about the 1963 Ford Thunderbird

Question type: Maintenance & Repair

1963 Thnderbird battery good, Alternator good, New relay ( later type works but light on dashboard comes on and stays on when motor running the only clue I had was that this started after a cold ( damp) winter Ive

5 Answers
223,915

Rowefast answered 7 years ago

It could be the voltage regulator for the alternator. Check to see if it is putting out 14.5 DCV at the battery when the engine is idling.

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223,915

Rowefast answered 7 years ago

14.1 DCV is good. What happens when you rev the engine up? Does it stay 14.7 and under?

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223,915

Rowefast answered 7 years ago

Charging system is working properly. There is a Instrument Cluster Voltage Regulator that is part of the charging system that may be the cause. Check it out on this sight.... https://www.carid.com/standard/instrument-cluster-voltage-regulator-mpn-vrc-604.html?singleid=64677481&url=15437710

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