how do i find a ground wire short in a tail light?

Asked by Jul 14, 2012 at 10:48 AM about the 1998 Jeep Grand Cherokee Limited

Question type: Maintenance & Repair

1 Answer

235

The best tool I have found for this is called a power probe. You can however trace an issue like this with your average probe light. Turn your head lights on and stick the probe into the socket with the other end grounded to bare steel on the body. If the probe lights up then your tail light socket ground is bad. If not continue using the probe to test the wire back till you find the physical problem.

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