Electrical testing

Steve the plumber

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exMember
Joined
Jan 1, 2000
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392
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Ok I'm a self declared newby on electrical problems . This problem is pretty basic, but I want to ask ahead of time just so I know I'm doing it right.

2 of my 3 running lights stopped working. I'm going to by myself a basic tester in a sec here. When I turn the lights on and put the tester on low-DC. I should then put one lead on each side of where the ight bulb hooks up and if I get 12v there i know its the bulb right?

Thanks
 
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