Right Turn Signal/Brake Light Stays On with Curt Trailer Wiring Harness on a 2016 Toyota Tacoma

Question

Question:

curt trailer wiring second one in two years. The right tail /brake light stays on. hot even when truck ids turned off. must disconnect battery to get light off. Any ideas? This is the curt model direct powered from battery

asked by: Steve H

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Expert Reply:

What you are describing sounds like a short in the converter box for Curt wiring harness # C56349 for your 2016 Toyota Tacoma. Since this is the second time this has happened it could indicate that there is something on the trailer that is causing the box to short out so I do recommend inspecting the trailer wiring and fixing any broken or pinched wires or anything else that seems problematic.

I also recommend switching to the Curt harness, # C56349, because we hear about less problems with this brand. You can reuse the same power wire that you already have ran from the previous harnesses (provided it is in good shape and in working order).

expert reply by: Michael H

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Answer 1

The best way to run the wire for the 12v power supply from the Hopkins Plug-In Simple #HM43354 to the battery on your 2020 Toyota Tacoma is going to be under the vehicle, while keeping it away from moving parts and parts that could heat up. I've…

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Answer 2

Yes, the Curt T-Connector Vehicle Wiring Harness #C56349 is the correct 4-way wiring harness for your 2022 Toyota Tacoma. This custom-fit T-connector plugs into your vehicle's wiring harness, which is located behind the driver's-side and…

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Answer 3

To start, the Curt T-Connector Vehicle Wiring Harness part #C56292 is for a 2017 Ford Edge with the Sport and Titanium package so If you have an SE or SEL model this could be causing the issue. If you have an SE or SEL model 2017 Ford Edge then you…

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Answer 4

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 5

What you are describing is normally the result one 1 of 3 issues: First, there could be some corrosion in or on the connectors on the vehicle or trailer side or both. Second there could be a bad ground. Bad grounds can cause all sorts of bizarre…

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Answer 6

Each of the 4-way wiring harnesses for your 2017 Toyota Tacoma do require a hot lead run to the battery, and the reason for this is to power the module. This is needed in your Tacoma and other vehicles in order to protect the tail light circuits from…

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Answer 7

I recommend Curt Trailer Hitch Receiver part #C13264 for the 2018 Toyota Tacoma because the powder coat is a little better compared to the other options with the e-coat base. The rust preventive e-coat is helpful if the hitch is exposed to salt water…

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Answer 8

The easiest way is to use the Hopkins 2-pole #HM47965, as there isn't a single pole connector version of this. You'll cut it in half, and use butt connectors #DW05744-5 to install the plug in line of the black power wire in your Curt Wiring…

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Answer 9

Your brake lights and turn signals for each side are on one circuit. The left side turn signal and brake light is generally the yellow wire going into your trailer connector. The first thing to do is check the fuses on your tow vehicle. Next, inspect…

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Answer 10

I would revisit the installation, and make sure the connection where the harness plugs into the rear of the passenger side taillight housing has been plugged in all the way. Unplug the connection, then re connect it. The plug should fit into place…

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Answer 11

The wiring harness I recommend for your 2019 Toyota Tacoma is the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #C56349 because the install will only require you to plug it into connection points behind your taillights…

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Answer 12

When a trailer's tail light remains on when the vehicle is shut off, this usually indicates some kind of short in the wiring. I first recommend using a circuit tester like #PTW2993 to check the vehicle side connector. You will want to see if…

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