Does Trailer Brake Controller Require Specific Wiring Harness

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Question:

Reese trailer controller p/n 120065-148. Installed trailer brake controller. Two red dots are always on the screen haven’t seen them turn off. Truck already had the wiring harness so I spliced the wires to the controller since the harness was for a different controller. Could this be the problem ?

asked by: Chris

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Expert Reply:

Yes, you have identified the issue as brake controllers are designed to work with their specific harness and not spliced into them, assuming you have the plug-in option. We do not carry the brake controller you have so I am not familiar with it, but for example on your 2003 Chevy Silverado if you had the Tekonsha PowerTrac Electronic Brake Controller # 39523 you would need to use the Tekonsha Plug-In Wiring Adapter # 3015-P.

expert reply by: Kyle S

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Answer 1

By all accounts the Curt Spectrum Trailer Brake Controller #C51170 works well and is easy to use and install on most vehicles. It is a brand new item so not a lot of feedback has come in on it. I did learn a few things though after speaking with…

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Answer 2

For a hitch, I'd recommend going with the Draw-Tite Class III hitch, part #75684 instead of the Curt hitch you mentioned. The Curt hitch warranty requirements state that a stabilizing strap like part #18050 must be used for non trailer loads like…

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Answer 3

Both the Curt Spectrum #C51170 and Redarc Tow Pro Elite #RED44FR are fantastic brake controllers, especially with regards to trying to maintain a sleek, clean appearance in the cab once they're installed and in place. Both units are designed…

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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

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 6

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 7

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 8

If your 2020 Kia Sorento has the factory tow package, there will be a tail light wiring connector behind the rear tire of the driver side, on the outside of the frame rail. As shown in the attached photos, an underbody cover will need to be removed…

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Answer 9

The first thing you will need for your 1999 D250 is a 4-way. The Curt T-Connector Vehicle Wiring Harness #C55317 plugs into the connection points behind your rear bumper and will allow you to power your trailer's signal lights. Once the 4-way is…

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Answer 10

If you have a vehicle specific wiring harness for a brake controller then that would indicate that you have a factory tow package and subsequently would already have a 7-way at the back of your vehicle. The universal 7-way connector #ETBC7 is meant…

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Answer 11

The Redarc Tow-Pro Liberty #RED24FR is the way to go over the Elite #RED44FR as you get the nicer functions of the Elite at a lower price. The Elite has the ability to be the more preferred proportional style of controller as well as a time-delayed…

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Answer 12

There is a trailer hitch receiver as well as a 4-way wiring harness that fit your 2022 Jeep Grand Cherokee WL; that said, we don't have any way to reference a VIN so you'll need to confirm if you do have the WL, which is the new model of…

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Does Trailer Brake Controller Require Specific Wiring Harness

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