I installed the Nissan hitch yesterday on my '06 XE CC. I installed all three relays. I am using a 7pole to 4flat adapter (I've tried three different adapters) and I am getting nothing in the way of lights on the trailer. I hooked up to a neighbors trailer in order to diagnose the problem and got the same result. Any advice would be greatly appreciated.
Trailer lights not working.....Need help
TitanOwnr
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I installed the Nissan hitch yesterday on my '06 XE CC. I installed all three relays. I am using a 7pole to 4flat adapter (I've tried three different adapters) and I am getting nothing in the way of lights on the trailer. I hooked up to a neighbors trailer in order to diagnose the problem and got the same result. Any advice would be greatly appreciated.
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81 Posts
What he said ...trader said:
Plus, an experience I recently had -- (probably not your problem). I installed the Nissan hitch, relays, etc. when I got my truck and everything has worked fine since then. I added a couple of marker lights to my utility trailer then later that evening went out, hitched up, and checked the lights. Nothing. I reinserted connectors, used my trailer test light, checked fuses. Nothing. I was about to get the test light and start working things over when I pulled the 7-pin connector and discovered it can go in upside down and seem to be fully inserted. Plugged it in the right way -- voila! So my only excuse is that it was dark (and raining) and I should have known better.
trader said:
The first adapter that I used had the LED lights on it and according to those lights, everything on the truck side was operating correctly. I did check it last night with the tester and it was not registering on the meter. ?????????????????????????????
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81 Posts
I usually find that there is a problem with the ground, especially on boat trailers. So be sure your test light/meter/trailer is adequately grounded. Sounds like the LEDs indicate the 7-pin is ok, so maybe the trailer isn't grounding well? Then here is the order I use
-- check for power at the connector under the rear bumper
-- check fuse(s)
-- pull relays and plug them in again
-- glare at it
Good luck!
-- check for power at the connector under the rear bumper
-- check fuse(s)
-- pull relays and plug them in again
-- glare at it
Good luck!
Got this situation figured out. Due to my ignorance, I was unaware that since I now have a 7-pole on my truck that the fifth wire on the trailer side of the 4-flat is in all actuality a ground. Since my previuos truck was wired for the 4-flat, I was unaware of this issue. But I take pride in the fact that I figured this out without having to make a trip to the dealership and face the embarassment there.
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