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2006 Chevrolet Express 3500 Question: I need to know which wire in the reverse lights is negative.



brunneyplumbing, Lancaster, OH, January 24, 2012, 21:41

I am installing a rear back up camera and it requires that you wire it into the reverse lights. I need to figure out which color is negative.

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, January 25, 2012, 00:59

    Light green wire brings power to the back up light bulbs, the other wire at the bulb goes to ground , confirm using a volt/ohm meter.

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