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Chazzmatazz

Single Wire Alternator?

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I'm having major electrical issues with my '75 2002. It first started when I got the "L" light on my dash. The battery was not bing recharged. I did some quick research on the internet and came to the conclusion to replace the alternator. After doing so, the Light when out and things went back to normal, so I thought. The car later that week died and would not hold charge when the lights were on. I did more research and ended up replacing the regulator. this did not change anything. The car was able to stay running but right when lights came on the volts would nose dive. (13.4v, 12.9v, 12.0, 11.1, ext...) I have checked all grounds and cant find any plausible way for why this would happen?

The only thing i can come to is why not just run an single wire alternator? what alternator would i use and have i over looked something?

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Why replace the alternator? Did you check the brushes? Maybe you just need new brushes?

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It''s the wiring- probably the plug on the back of the alternator. The plastic gets brittle, the wires crack, fray and break. Sometimes invisibly. If you get frustrated with it, and most of us do, then use the 320 alternator with the integral regulator- it needs a whopping 2 wires, one to the battery and one to the charge light... ...but the original system''s not hard to fix. Just takes patience. And the FAQquers! t

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If you are serious about it a GM 1-wire fits with a small spacer and you need to modify or make a new tensioner bracket. If you look at my build thread in the project section titled 73 sahara take it or leave it, you can see how I did it. GM 1-wirers are dirt cheap, reliable and come in whatever flavor you want.

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