have a light bar with one single white wire and says to hook to hot reverse wire at housing still wont come on?

Asked by Jan 10, 2013 at 09:40 PM about the GMC Sierra 1500

Question type: Maintenance & Repair

1 Answer

18,235

Well for current to floe you need power and ground. It may not need a ground wire because the base is intended to ground it out, if that is the case then it needs to be bolted to a suitable ground.

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