Checking Tow Light Wiring Fuse on 2020 Toyota Highlander

Question

Question:

Easy connect, good fit, but no power to the flat four. No action on voltmeter on any of the 3 circuits when vehicle lights on. Thought it was great that my 2020 Highlander had the connector behind the bumper but......

asked by: Bruce D

0

Expert Reply:

The most likely issue is a blown or missing fuse for the trailer lighting. Locate the fuse panel under the hood, on the driver's side, near the fender. Your Owner's Manual can additionally provide you a picture of the location and instructions for opening it. Locate position 15 in the panel and determine if the fuse is missing or blown. I have attached a picture showing the location of that fuse in the panel.

expert reply by: Les D

0

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Answer 1

I was unable to find a diagram of the fuse box online for your 2020 Toyota Highlander but if you look at the lid of the fuse box it will have a diagram explaining where each fuse is and its function. You can use this to find the trailer lighting…

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Answer 2

In order to troubleshoot your 2022 Toyota Highlander wiring installation you will need some tools to assist you. You will need a 12V circuit tester. I recommend the Cordless Circuit Tester, part #PTW2979. In addition, you will also need basic wiring…

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Answer 3

If you take a look at the accompanying photo you can see our installer point out the exact location where you need to install the fuse in your 2018 Toyota Highlander when installing the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer…

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Answer 4

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 5

The bracket being removed around the 9:50 part of the installation video for the etrailer Hitch item #e75ZR does not get reattached. You need the hole that the bracket attaches to secure one of the bolts that holds the hitch to your 2022 Toyota…

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Answer 6

The factory trailer connector port for the 4-way connector your purchased for your 2021 Toyota Highlander XLE with the Factory Tow Package is below the bumper on the driver side of the vehicle. Since your Highlander has the factory tow package the…

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Answer 7

In regards to the etrailer Trailer Hitch Receiver part #e75ZR for a 2023 Toyota Highlander, you must trim the underbody panel per the manufacturer. The hitch will come into contact with the panel if not trimmed. The panel however does not need to be…

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

Good question, and the installation of any aftermarket parts such as a trailer wiring harness will not void the warranty on your 2020 Toyota Highlander Hybrid, or any other vehicle. The reason for that is because you are protected by what is called…

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Answer 10

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 11

The 2021 Toyota Highlanders don't all come with the factory tow package. I have installed many trailer wiring harnesses on this vehicle and I always end up having to switch to the full version for models without the tow package, the T-One Vehicle…

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Answer 12

The dealer tech you talked to is somewhat correct. The issue is that the red brake output wire can back feed into the wiring of your 2020 Toyota Highlander, but there is a fix that will fix this. Your Highlander will need to have a Tekonsha,…

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Checking Tow Light Wiring Fuse on 2020 Toyota Highlander

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