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Your 1993 Pontiac transport will not charge battery an battery good and battery hand reading nothing with engine running an already had alternator check an replace pcm but there is still no charge?
Wiki User
∙ 15y ago
Does the Alternator have a power supply back from the battery to excite the alternator? I had the same problem and despite trying several alternators found that a fuse had blown on the circuit bring power back from the battery. Or the bushes in the alternator could be worn out or the diode pack could be shot. Put a volt meter onto the small wire on the alternator and across to the vehicle body you should have battery voltage on this terminal.
Wiki User
∙ 15y ago
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