Electrical Problem

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Nov 23, 2009 | 11:21 AM

Michael Dowd

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Joined: Oct 2009

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From: East Longmeadow, MA

Electrical Problem

I have been trouble shooting a problem that I thought was fuel related and found out the immediate problem is electrical. The car will still not run past and idle cold and not at all once warm but when I was trying to determine a cause I disconnected the plug on the alternator and the stalling problem went away, plugged it back in and it came right back. I also reconnected the alternator and disconnected the battery while still running and it went away. All of the connections seem to be good and the battery tested out fine and is holding a charge. The alternator is new/rebuilt and the battery is several years old but seems to be OK.
Any suggestions?
Thank you for any feedback you can provide.

Nov 27, 2009 | 11:40 PM

73shark

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Joined: Apr 2006

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From: KC, MO area

What year? Make sure battery ground to frame, engine ground to frame are good.

Nov 30, 2009 | 11:33 AM

Michael Dowd

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Joined: Oct 2009

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From: East Longmeadow, MA

The Corvette is a 1990.
I will check the grounds to the frame and to the engine.
Thank you for the hints.

Dec 3, 2009 | 4:37 PM

73shark

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Joined: Apr 2006

Posts: 11,337

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From: KC, MO area

You might also post over in out sister forum at corvetteforums.com.

Mar 2, 2010 | 3:50 AM

f-bodyfreak

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id say theres a short in the alt even thow it was just rebuilt iv seen them turn into magnets and my wrenches stick to them and them get real hot and there right out of the box rebuilt