Troubleshooting Trailer Lights Not Working with New Wiring Harness on 2011 Toyota Highlander

Updated 03/22/2019 | Published 03/21/2019

Products Featured in This Question

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

(181)

$17.31

Curt Trailer Hitch Receiver - Custom Fit - Class III - 2"

(634)

$231.87

Question:

I have a 2011 highlander with the tow prep package, i had installed a hitch and the wire kit both easy installation and i went to try the lights and they dont work. I have tried two different trailers with no luck, im clueless on what it could be

asked by: Jason R

Expert Reply:

Glad to hear that you were able to easily install the Curt Trailer Hitch Receiver # 13534. I will be happy to help you troubleshoot the Curt T-Connector # 56042 for your 2011 Toyota Highlander.

Since you do have the factory tow package on your Highlander the only thing that I can think of is that you either have a bad fuse or no fuse at all for the trailer lights. I took a look at the online version of the owner's manual for your vehicle and found that the fuse for the trailer lights is in location 29 in the engine compartment fuse block. By adding or replacing the fuse in this location your trailer lights should work properly.

If this doesn't fix your issue let me know and I can help you troubleshoot further.

expert reply by: Jon G