How to check the voltage regulator for a 12 volt battery drain in a 1998 chevy astro van?


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Ronald Knox Profile
Ronald Knox answered
Pull neg battery cable off put 12 volt test light between batt post and cable if you have a draw, light should come on. To find short unplug wires from alternator this should let the light go out or nearly out. Radio ,and other little things will let a little draw pesist
Arthur Wright Profile
Arthur Wright answered
Most usually just replace or take your car to a auto parts store that can run a free diagnostic check on battery system. It could be a bad battery too not holding its charge overnight

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