The battery Light came on in my 97 Voyager. I checked the battery terminals and cleaned them. They seemed like they were in good shape. The battery light is still on. While the van is running, I get...
alternator fault, 12.6 should be min on fully charged battery 14.v min should be when the engine is running. when engine is turned off the battery should hang around 13.6 volts and drop steady to 12.6- 12.8 volts and stay there. faulty or damaged battery can damage the alternators regulator. or the bushes in the alternator. also check the earth from the alternator housing to the shell and battery and same with the positive wire from the alternator to the battery, battery should last 5 years but no more some don't even last 3 years, alternator that depends on how meany miles you do or not do as not meany miles the battery is always on charge and use from lights etc that put strain on the alternator. if you dont do meany miles put a larger battery on the vehicle, this will use less power to start the engine so the alternator can re charge on shorter journeys.
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