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Troubleshooting Trailer Lights that Come on as Soon as Connecting 2006 Honda Odyssey to Trailer


My vehicle harness on my 06 Honda Odyssey has started to light the trailer lights whenever it is plugged in. I have checked connections and all good. Any suggestions?


Expert Reply:

Most likely there is a short somewhere that is causing the trailer lights to come on as soon as you connect the harness on your 2006 Honda Odyssey to the trailer. A short will cause constant power draw and will explain why this is happening.

I recommend checking both the vehicle and trailer side connectors for any debris, corrosion or damage. You will also want to check the wiring from front to back and look for any frayed, pinched or damaged wire that may be causing the short and repair as needed.

I have attached a wiring troubleshooting article that you may also find helpful. If you are still unable to find the cause of your issue, please let me know and I will be happy to look into this further.

expert reply by:
Chris R

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