Alternator Gauge - Ford Mustang Forum
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post #1 of 4 (permalink) Old 06-04-2009 Thread Starter
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Alternator Gauge

So do these alternator gauges in our instrument panel actually work? I know my battery charge frequently runs down low because when I am working around the garage I usually have the GT's stereo on. Every so often I need to hook up the battery charger to charge it up again. But the gauge indicator is always in the same position, just past the middle. If the gauge was actually working it should move to the higher end of the gauge when driving showing the alternator is charging up the battery, right?

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post #2 of 4 (permalink) Old 06-04-2009
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It doesn't read higher charging more, it charges at the same rate. Now if it is showing lower, then your alternator is not providing enough power to the car, much less charge the battery.

So basically, even if you run the battery down, it will always show just a little over center.

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post #3 of 4 (permalink) Old 06-05-2009
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Sounds like the gauge is working as designed.

1965 Mustang Coupe
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post #4 of 4 (permalink) Old 06-05-2009
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Also sounds like you need a radio or CD player for the garage.

2011 GT Candy Red
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