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'05 Third Brake Light Ground Location?

690 Views 3 Replies 2 Participants Last post by  OUSooner
Greetings All,

Newbie here. Bought my '05 Xterra a year ago this week. The third brake light is out. I've replaced the brake light, to no avail. Checked the fuse and it's fine though I figured as much as the taillights and turn signals work fine.

That being the case, I'm trying to check the ground for the third light. Can someone enlighten me on where the ground is and how to access it? I've tried looking around for a wiring harness and all I can tell is that the ground is "B8" and located somewhere above the left rear wheel well. Thanks!

P.S. - If anyone has any other ideas as to why the third brake light wouldn't be working, I'm all ears. :)
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I'll need to get a voltmeter to check that. In the interim I was going to physically check the ground. Any idea how I do that?
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