Will Trailer Wiring Harness 118786 Work on a 2018 Jeep JL Wrangler Unlimited with LED Tail Lights

Question

Question:

I have a new Wrangler JL 4dr and need a 4 wire flat connection. This part 118786 looks like the perfect answer to my needs but... Has this part been checked for compatibility with the LED rear light system? Some JLs have old style lights, some have LEDs. Thanks!

asked by: Ray L

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Expert Reply:

I checked with Tekonsha, the manufacturer of wiring harness # 118786, and there are no known issues with this wiring harness and LED lights on the new 2018 Jeep JL Wrangler Unlimited.

expert reply by: Michael H

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Answer 1

In order to add a 7 way connector on you 2020 Jeep Wrangler JL you'll need to start by adding a 4 way trailer connector like the Tekonsha #118786, which gives you the connections needed to install a 7 way connector. Once you've installed the…

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Answer 2

When using the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation #ETBC7 to install the Curt Echo Mobile part #C51180 you can just tape up the blue wire of the adapter as it would not be used.

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Answer 3

If your plan was to install a brake controller you'd have to also run the black wire of the 7-Way Adapter part #30717 to the to the positive post of your vehicle battery as well as the ground you mentioned. The Curt Echo part #C51180 that you…

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Answer 4

That is correct. If your 2021 Wrangler Unlimited has the connector located under the dash to the left of the steering column near the top of the e-brake pedal as shown in the provided photo, you'd use the #3073-P harness to connect the #90195…

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Answer 5

To install a brake controller and 7-way on your 2021 Jeep Wrangler Unlimited first requires you to have a 4-way installed on it like the #C56407. From there you need to convert it to a 7-way and install the brake controller. To do this the #ETBC7L is…

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Answer 6

That is correct. Since the Curt Echo Mobile Trailer Brake Controller #C51180 only requires 12V power to function properly you just need to plug in the 4-Way, ground the white wire, and then route the black wire to the battery on your vehicle through…

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Answer 7

We have a confirmed fit for custom trailer wiring for your 2019 Jeep Wrangler JL as part #118786 that we know will fit and work well. We can't really tell you if our competitors are up on the most current fit info though.

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Answer 8

If your 2019 Jeep Wrangler Unlimited has the factory tow package and it came with a 7-Way then the 12V power for the trailer should be active. You can easily confirm this by using a circuit tester #PTW2992 and checking out the 12V power pin (see…

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Answer 9

The 7-Way RV Upgrade Kit for Trailer Brake Controller Installation part #ETBC7L and the Universal Installation Kit for Trailer Brake Controller part #ETBC7 will both still charge your trailer's battery even when using the Curt Echo Mobile Trailer…

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Answer 10

We do have what you are needing, with a 7-way kit that does not have brake wire since you aren't going to be using electric trailer brakes, and only want the 12 volt power. What you can use is the following kit: - 7-Way RV Upgrade Kit #ETBC7L…

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Answer 11

The Curt Echo Wireless Trailer Brake Controller #C51180 is not compatible with Apple CarPlay or Android Auto. There is a Manual Override Button #C83HR that is wireless and operates with a CR2016 battery. The nice thing about the Curt Echo is once you…

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Answer 12

If you already have your 4-way flat in place you can simply get your 12V power by running a wire to your battery through a circuit breaker. We have a kit pre made for this exact situation. What you can use is the 7-Way RV Upgrade Kit part #ETBC7.…

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Will Trailer Wiring Harness 118786 Work on a 2018 Jeep JL Wrangler Unlimited with LED Tail Lights

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