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Warranty: One-Year Limited Warranty
Electrical System Type: 2W
Output Type: 4-Way Flat
Installation Difficulty: Novice
Installation Time Exact (Minutes): 10
If your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle-specific, OEM-compatible connectors to plug into the taillight assembly, eliminating the need for cutting, splicing and soldering during installation. Custom wiring harnesses are made vehicle-specific, and while they are not available for all vehicles, they do offer one of the fastest, easiest and most secure ways to wire a vehicle for towing. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Jeep Wrangler JK (to verify your vehicle compatibility, see application info). It comes with all necessary wiring components to establish a reliable trailer wiring connection, as well as a dust cover to keep the connector clean when not in use. You have a picture in mind of your next destination -- maybe it's the boat landing at your favorite fishing spot, maybe it's a campsite that overlooks one of nature's masterpieces, or maybe it's the next big jobsite. However, turning that picture into a reality takes more than just daydreaming. It takes a solid connection and the right amount of power. CURT custom wiring is made with some of the most sophisticated technology in the industry and is designed to install with ease, giving you a long-lasting electrical connection for your towing hitch setup.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
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2 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2007 - 2017 | Jeep Wrangler | Installation Time: 30-60 minutes Excluding right hand drive |
| 2018 | Jeep Wrangler JK | Installation Time: 30-60 minutes Excluding right hand drive |
The CURT Custom Wiring Harness, 4-Way Flat Output, Select Jeep Wrangler JK Trailer Connector Kit (Part #BKDK55124) fits 2007-2017 Jeep Wrangler models. The 2018 model year is the last year covered by this part number. For newer models, check for an updated version.
The CURT Custom Wiring Harness, 4-Way Flat Output, Select Jeep Wrangler JK Trailer Connector Kit (Part #BKDK55124) fits the following vehicles: 2007-2017 Jeep Wrangler; 2018 Jeep Wrangler JK. Always verify your specific year, make, and model before ordering.
Yes, the CURT Custom Wiring Harness, 4-Way Flat Output, Select Jeep Wrangler JK Trailer Connector Kit (Part #BKDK55124) is designed to fit the 2007-2017 Jeep Wrangler.
The CURT Custom Wiring Harness, 4-Way Flat Output, Select Jeep Wrangler JK Trailer Connector Kit (Part #BKDK55124) Typical installation time is 30-60 minutes. Basic hand tools are typically all you need.
Yes, the Curt 55124 custom wiring harness is designed for Jeep Wrangler models, excluding right-hand drive versions. It is classified as an S-class harness for SUVs, mini and full-sized vans. If you have a right-hand drive Wrangler, this harness is not compatible.
The Curt 55124 is a custom wiring harness designed to provide trailer wiring connections for your vehicle. It connects to your vehicle's taillight system to enable proper signalling and lighting for a towed trailer.
Yes, you must disconnect the negative battery terminal before beginning installation. This is a required safety step to prevent electrical shock and damage to the vehicle's electrical system.
You will need a Phillips screwdriver and a side cutter. The harness includes a provided screw and ring terminal for grounding, and a 4-flat dust cover.
The custom wiring connector is installed behind the driver side taillight housing. This is where you will separate the factory taillight connectors and insert the harness connector with the yellow wire between them.
Locate the taillight housing connectors behind the driver side taillight. Carefully separate the connectors without damaging the locking tabs. Insert the custom wiring connector with the yellow wire between the separated connectors, ensuring both connectors are fully inserted with locking tabs securely in place.
Drilling may be required for the ground wire installation. You can either use an existing screw with nut in the vehicle frame as a grounding point, or drill a 3/32" pilot hole for the provided screw. Before drilling, check for hidden items behind or under any surface to avoid damage and personal injury.
Drill a 3/32" pilot hole for the provided ground screw. The drilling location should be near the connector and free of rust, dirt and paint. Always check for hidden items behind or under any surface before drilling to avoid damage and personal injury.
Locate a suitable grounding point near the connector, such as an existing screw with nut in the vehicle frame. If no suitable point exists, drill a 3/32" pilot hole. Prepare the area by removing rust, dirt and paint. Secure the white ground wire using the ring terminal and provided screw.
Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower. Exceeding the rating can cause loss of warranty, overheating and potential fire. Refer to your vehicle owner's manual or contact the vehicle manufacturer for your specific tow vehicle lamp load rating.
After installation, test for proper function by using a test light or by connecting a properly wired trailer. All installation steps must be followed to ensure the wiring harness functions properly.
Reinstall all items removed during installation and reconnect the negative battery terminal. Install the provided 4-flat dust cover to help prevent corrosion. Test the harness for proper function using a test light or by connecting a properly wired trailer.
Yes, the Curt 55124 fits Jeep Wrangler models excluding right-hand drive versions.
Yes, disconnect the negative battery terminal before installation.
You need a Phillips screwdriver and side cutter. The harness includes the provided screw, ring terminal, and 4-flat dust cover.
Drilling may be required for grounding. You can use an existing frame screw or drill a 3/32" pilot hole for the provided screw.
Do not exceed the product rating or tow vehicle lamp load rating, whichever is lower. Exceeding the rating can cause overheating and potential fire.
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