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Print in friendly format Send this term to a friend  Aluminum Powerglide
Automatic Transmission - 2 Speed

1st Gear: 1.76/1.82
2nd Gear: 1.00

- Used in production GM models from 1962 thru 1972.
- 14 Bolt Pan.
- Vac...
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Re: Need advice, 1989 L98, lost power

Subject: Re: Need advice, 1989 L98, lost power
by lunytnz on 2012/10/15 1:57:04

I agree that it sounds like a ground problem; the alternator may be charging, but the battery is not receiving the charge. When you check voltage across the battery terminals, it's fine, right? But, when you put a big load on (cranking), the ground connection isn't strong enough to support it.

The jump provides enough extra amperage.

Have you cleaned both ends of your battery ground cable?
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