The batteries are fully charged, try to start lights on dash flicker and go out totally and run start really clicks even with key out.
May 31, 2022 at 12:32 AM
STRAILER
✓Experienced Mechanic
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Even though the battery charger may say the batteries are charged it sounds like the batteries are bad, but to be sure we can use a simple voltmeter to check the surface voltage which should be about 12.4 volts with the doors closed ignition switch off. Here is a guide to help you do the test: