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91 Prelude Si Aletrnator Problem...Help!!!

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Old 05-26-2011, 11:46 PM
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Icon5 91 Prelude Si Aletrnator Problem...Help!!!

I just bought a 91 prelude Si. 2.0 The alt had a loose pulley and was throwing belts so we replaced it. The alternator light came on after replacement and we ran thru the 4p plug and tested wires. All seemed to be coming up normal so we trouble shooted and thought bad voltage regulator. Took the alt off and had it tested. It passed. Put it back on and no light came on for about twenty minutes, had it tested, everything working great. Five miles later, alt light on, get it tested again and battery isnt recieving a full charge from alternator. Is draining battery.

Had some problems with the main relay, but soldered the cracks and car no longer is dying. Relay still gets warm, but no burning electrical smells. Guys, weve replaced three alt's in a week trying to figure this out. (first two had bad pulleys) Had someone check the grounds, supposed to be good, but as Im not sure how to do this myself...Idk.

Any advice? Please...this is a car I have to have up and running. Im new to this so any ideas at all would be wonderful. Thanks!
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alternator, battery, ground, prelude

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