Originally Posted by Tony1201
Ficm is 47.5 during cranking and drops below that. Alternator just replaced with green machine. Batteries have been holding charge.
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Drops below 47.5 to what? A battery can hold a charge and fail a load test. Bad batteries kill ficms and alternators. Ficm v less than 46 and your approaching failure. Another symptom of ficm failure is rough start and idle until warm, failing solder joints improve after warming up. Ficmrepair.com
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