Installed avic-940BT, backup camera wiring question.

BigNate

i would certainly avoid the test light when working on newer cars due to there low internal resistance they have a tendency to pass ground to whatever wire you are testing. And just a heads up you can also find in the drivers kick panel its IIRC the only orange wire in that harness

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MECP Master Certified Installation Technician

Don't worry I've never done this before

bigaudiofanat

In the case of a 12 volt + wire I would make an exception. Only because not everyone knows how to use a volt meter, and a test light could be easier. But yes you are right I would use a volt meter instead.

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