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Discussion Starter · #1 ·
Ok, so back again with another tech question for the Nissan savy :)

The reverse lights on my frontier do not work. They haven't worked in months. Sometimes, I get lucky, and the lights turn on for a tiny bit (maybe 1 second), then turn off. Other than that, no matter how many times I shift into reverse, it doesn't turn on. We've taken the lense off, checked the bulbs to see if they were out, checked the fuses, ect., nothing.

Before the headlights went out, my father mistakenly had large plastic box in his hand, and as he was walking near the truck, he smashed a small hole in the LEFT rear tail light. Sure enough, tape was not enough to cover it, and the tail light soon filled with water.

So I'm asking, knowing that not even new light bulbs will correct this issue, what should I do? What is the problem? Do I have to buy new wiring to replace the wiring that goes from the front of the truck to the rear?

I mean, everything else works..The night time lights work, the brake lights work...Its the reverse lights that don't.

Thank you.
 

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Same issue

Mine is an '03 DR and I have a similar issue. Sometimes in reverse no lights at all and other times it flickers in and out as I work the clutch and backup.

I don't think it has anything to do with bulbs or broken tail lenses or fuses. I think there's a switch or sensor on the tranny that should send power to the reverse lights when you shift into reverse. That's the part that I think is causing the problem?

I haven't been able to do more than take a quick look under there - I'll repost if I find something.
 

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Another option, Does your truck have trailer wiring? We had a ground break on one of our old trucks that shorted all the lights on the back. Might be another place to look. The reverse switch does sound like a likely culprit though.
 

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Another option, Does your truck have trailer wiring? We had a ground break on one of our old trucks that shorted all the lights on the back. Might be another place to look. The reverse switch does sound like a likely culprit though.
Here's the wiring diagram for the reverse lamp circuit; it might help troubleshoot.
 

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