Troubleshooting Turn Signals of Trailer Wiring on 2009 Honda Pilot Not Working

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Question:

Looking for some help I have a 2009 pilot. The issue I am having is with the trailer lights. The running lights work but the brake lights and turn signals dont. I have googled and checked all fuses and wiring that was recommended. I found no bad fuses out of the 4 fuse boxes through out the pilot and I even pulled the harness at the back and bench tested that section of pigtail. I know for sure it is the pilot and not the trailer or adapter I am using since I tried a second adapter and I had a friend hook his f150 to the trailer and test the lights as well as tried both adapters on his truck to the trailer and all lights worked as they should To ass to this I purchased a new relay for the aux fuse box. This didnt change anything. I also hooked my wifes Toyota Sequoia to the trailer lights and the worked with and without the 7 pin adapter Both of times I hooked the light to other vehicals I did not actually hook the trailer to the vehical. Just a fyi

asked by: Gary D

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Expert Reply:

You did quite a bit of troubleshooting and homework on this so I commend you for that! Since it's not the relays, the fuses, or the trailer wiring that basically leaves the converter box of the wiring kit. Which you can test that with a circuit tester like part # PTW2993 by checking for voltage when the turn signals are on going into the box and then check to see if they are making it to the output side.

If there's none making it to output side the box is bad and would need to be replaced like with the part # C56365.

expert reply by: Jameson C

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Answer 1

Hello Lewis, I can definitely get you set up with the correct towing components to get you out on the road to adventure! You’ll want to check your owner’s manual to see what Honda says you can tow, just because the hitches are rated that high doesn’t…

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Answer 2

While we don't currently have an installation video for the Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector #CU86FR on a 2022 Honda Pilot, we do have an installation video for the Tekonsha #118286 on a 2020 Honda Pilot. The…

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Answer 3

Great question! Your 2021 Honda Pilot does have the plug for the brake controller whether it's listed as having the tow package or not. When you install the T-One Vehicle Wiring Harness #118286 it includes everything you need to activate the tow…

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Answer 4

Yes, it can and that is exactly what you need! The Curt T-Connector Vehicle Wiring Harness item #CU86FR is custom fit for your 2017 Honda Pilot. It will provide you with a 7-way connector so you can tow a trailer with brakes. Some other parts you…

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Answer 5

Output for electric trailer brakes is on a different circuit than the combined turn signal and brake lights so adding a brake controller would not help. The likely issue is a blown fuse or relay on the vehicle tow package wiring. Use the owners…

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Answer 6

Everything I am seeing for your 2020 Honda Pilot shows a 3,500 lb trailer weight capacity which would mean a 350 lb tongue weight capacity. The Curt hitch we have for your vehicle #C13146 that you referenced has quite a bit more capacity than this…

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Answer 7

The B&W Continuum Weight Distribution System part #BW78FR requires at least 24" of space on the frame directly behind the coupler and along the side a few inches back from there. This works with most trailers but for some it will not and,…

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Troubleshooting Turn Signals of Trailer Wiring on 2009 Honda Pilot Not Working

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