Hello Everyone, new member here.
Would like to ask about testings GM gauges, in referring to an article written in 2013 by moderator bd on how to make a tester to check Function of GM gauges, comment is made in the article that the tester can also be used to bench test gauges.
When bench testing the gauges, what does one use as the ignition source (12VDC) to supply to the gauge?
Can one use a 12VDC battery that is used for flashlights or a 120VAC input 12VDC output plug in type class 2 power supply?
The reason I ask, for one, I don't have a lot of electrical knowledge, (but slowly learning), the main reason, looking for a way to test the gauges found in a salvage yard before buying them, would like for the test equipment to be as compact as possible without having to drag a full size car battery into the picture to do the testing.
Thanks for Your Help.
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