Re: Alternator or Battery???
Quote:
Originally Posted by batchman
How many miles on the car?
I don't know GMs charging setup but my experience has been as you run up miles, alternator brushes will wear and give less output at idle/low rpm. A car with an idiot light will show this first as a low glow at idle. The last several I've had to worry about were at 120-150k miles or so.
The other popular alt failure is in regulation, which is often integrated into the alt, which will be a sudden total failure.
Good luck,
- Jeff
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63K miles
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Shelby Series 1 - Wilwood Brakes
Custom Interior
NCM Lifetime Member #978
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