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Q: will not keep a charge

asked by on

will not keep charge on the battery

A: The battery and charging system will need t...

The battery and charging system will need to be tested to see if the battery can be charged and handles a load test. If battery fails test then it should be replaced first. After the battery is tested and replaced, if needed, the alternator can be tested to make sure it is charging the battery to keep the voltage above 13.2 volts and below 14 volts. If the alternator amperage output is about 60 amps and is not within 90% of rated capacity, then replace it. The alternator may be a higher rated alternator and should test at 90% rated amperage capacity. If you need help replacing your battery or alternator, YourMechanic offers a repair and diagnosis service preformed by a mobile, professional mechanic that will commute to your location for this repair.

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