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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Aug 12, 2017

Make Your Own Alternator Tester Cheap & Simple

http://www.ebay.com/itm/181473581583 Not charging at all, does not require a tester. A simple handheld digital voltmeter can easily spot voltage regulator malfunction. But howabout "Is it good...
Class_A_DP_1's avatar
Class_A_DP_1
Explorer
Aug 12, 2017
Are you saying to disconnect the vehicles wire(s) that are terminated at the alternator stud prior to connecting a 3v meter? Wouldn't it fry the 3v meter to expose it to 12-14v battery voltage through the harness?

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