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Old 06-26-2017, 08:42 PM
Mich48041 Mich48041 is offline
Join Date: Apr 2008
Location: Riley TWP MI
Posts: 2,870

Instead of using a voltmeter, use a 12 volt test light. The test light should NOT have an internal battery. It should have a light bulb that lights up when connected to the aircraft battery. The wattage of the test light should be 3 watts or less. Any larger than that risks blowing the 1 amp fuse, if it is not already blown, which is a good possibility.
Does the tester illuminate when connected to the voltage regulator output from the switch and fuse module?
Joe Gores
RV-12 Flying
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