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What do I need to fix or replace if I excessive voltage on a 84 Chevy S-10 blazer?
Wiki User
∙ 14y ago
Engine running, battery fully charged (12.68 V), the voltage should read 14.2 V, + or - .3 V. If voltage exceeds that, replace the alternator, the regulator is internal.
Wiki User
∙ 14y ago
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