LT1-LT4 Modifications 1993-97 Gen II Small Block V8

volt meter jumping around?

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Old 10-08-2006, 09:00 PM
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Default volt meter jumping around?

when i turn my radio on in my 97 z/28 the check gauges light came on and my volt gauge was dancing around. is my alternator going out?
Old 10-09-2006, 12:55 AM
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do you have an sound system in your car with like amps and subs?
Old 10-09-2006, 11:59 AM
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no i dont
Old 10-09-2006, 12:26 PM
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voltage regulator might be going out... replacing alt.. take it to autozone to they can test it
Old 10-09-2006, 12:29 PM
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i had a similar problem where my volt guage was jumping around when i floored the gas pedal and it turned out to be a lose ground wire.



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