over charging!!
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Member
Joined: Jan 2008
Posts: 218
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From: Austin, Texas
Car: 86 iroc
Engine: 383HSR
Transmission: custom 700r
Axle/Gears: moser 9" 3.90
over charging!!
this morning on my way to work my bat gauge was showing 18volts i pull over to check it out and it dropped down to normal. on the way home it did the same thing except it stayed at 18? any ideas?
Junior Member
Joined: Jul 2007
Posts: 41
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From: Birmingham, AL
Car: 1991 Camaro RS
Engine: 355
Transmission: BTO 700R4
Axle/Gears: 4th gen 3.73
Re: over charging!!
Sounds like the voltage regulator is bad or going bad. If the alternator is only a couple of weeks old then take it back to where you bought it from or take it to autozone and have them test it.
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Supreme Member
Joined: Jul 2005
Posts: 2,123
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
Re: over charging!!
also, the stock gauge could be going a little wacky... I would double check with a multimeter.
My s10's gauge would always be at 18 and sometimes drop to normal, but the alternator voltage was fine.
My s10's gauge would always be at 18 and sometimes drop to normal, but the alternator voltage was fine.
Thread Starter
Member
Joined: Jan 2008
Posts: 218
Likes: 0
From: Austin, Texas
Car: 86 iroc
Engine: 383HSR
Transmission: custom 700r
Axle/Gears: moser 9" 3.90
Re: over charging!!
the post on the back of the alt. reads 30 volts with a multimeter but the batt is only reading like 12 volts.
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