Quote:
Originally Posted by Spooler
That is a bad idea. He needs to use a VOM meter. A light will light up and mislead you. Seen some horror stories of that in my technician days. One guy had to go to court over it for a misdiagnoses.
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While it may not be the best method to check for high resistance wiring, it is not a bad way to do it. As with any other test procedure, one needs to be able to interpret the results properly. The "light test" is not perfect (a marginal wiring problem may not cause enough change for eyes to notice) but works well for finding higher resistance wiring problems.