How To Test An Alternator Without A Voltmeter. Get a cheap voltmeter. The energy from the engine reaches the alternator.
Turn your multimeter to the 20 V setting. Testing without a voltmeter. The most popular alternator test without a multimeter is when you start your engine and disconnect the negative terminal of the battery while its running it will not have any effect on your engine if the alternator is in good working condition.
Testing without a voltmeter.
Heres how to test without a voltmeter. Answer 1 of 2. You will need something to read the voltageamperage of your battery and alternator. Should a problem arise it is relatively easy to test an alternator.
