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2020 - 2024 Jeep Gladiator
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Complete CURT Class 3 2" trailer hitch and 5-flat wiring kit (with 4-way to 5-way adapter for surge brakes) engineered for the 2020 - 2026 Jeep Gladiator. Vehicle-specific fit, plug-and-play installation, all hardware and instructions included.
This custom kit fits the following vehicles:
All Hardware and Installation Instructions Included!
Whatever your task at hand -- whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close -- CURT class 3 trailer hitches offer the strength needed for serious towing. They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers. Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs. Because of their weight range, they are also found on full-size cars, crossovers and minivans. Each custom-fit class 3 hitch package is made for vehicle-specific mounting. This particular kit fits certain years of the Jeep Gladiator (see application info to verify vehicle compatibility). It provides a weight carrying capacity of 7,500 lbs. GTW and 750 lbs. TW. It is also compatible with a weight distribution hitch for level towing and a rating of 8,000 lbs. WD and 800 lbs. WDTW. CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component). Each class 3 hitch has a 2" receiver tube and is tested in accordance with SAE J684 for safety. To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding. We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage.
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 JL and Jeep Gladiator (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®.'
Experts available to answer your questions
Call 888-634-9494Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2020 - 2024 | Jeep Gladiator | — |
Yes, the 20 - 24 Jeep Gladiator Curt 2" Class 3 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 13503 (Part #5W-CHW-1979) is designed to fit the 2020-2024 Jeep Gladiator.
The 20 - 24 Jeep Gladiator Curt 2" Class 3 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 13503 (Part #5W-CHW-1979) fits 2020-2024 Jeep Gladiator models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
The 20 - 24 Jeep Gladiator Curt 2" Class 3 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 13503 (Part #5W-CHW-1979) fits the following vehicles: 2020-2024 Jeep Gladiator. Always verify your specific year, make, and model before ordering.
The 20 - 24 Jeep Gladiator Curt 2" Class 3 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 13503 (Part #5W-CHW-1979) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The 13503 has a gross trailer weight (GTW) capacity of 7,500 lbs. and a tongue weight (TW) capacity of 750 lbs. For weight distribution towing, the capacity is 8,000 lbs. GTW with 800 lbs. tongue weight.
The manual states that installation requires removal of four bumper tube bolts, but does not specify whether the entire bumper must be removed or only the bolts. Consult the full-color manual at curtmfg.com or contact CURT product support at 877.287.8634 for clarification on your specific vehicle.
You will need a 3/4" socket, 21mm socket, torque wrench, and ratchet. A tools reference guide is available at curtmfg.com/trailer-hitch-installation.
The manual recommends having a second person or using a jack to assist in lifting the hitch into position during Step 3. This is not strictly required but is recommended to make installation easier and safer.
Torque all M14 factory fasteners to 126 ft-lbs. and all 1/2" supplied fasteners to 110 ft-lbs. Use a torque wrench to ensure proper tightening.
Never exceed your vehicle manufacturer's recommended towing capacity. The 13503 has a maximum GTW of 7,500 lbs. (or 8,000 lbs. with weight distribution), but your vehicle's capacity may be lower. Always follow your vehicle manufacturer's limits.
Periodic inspection of the trailer hitch should be performed to ensure all mounting hardware remains tight and structural components are secure. The manual does not specify an inspection interval; contact CURT product support at 877.287.8634 for a recommended maintenance schedule.
The kit includes two carriage bolts (1/2"-13 UNC, 1-3/4", grade 8), two serrated flange nuts (1/2"-13 UNC, grade 8), two round hole spacers (.188" x 1.50" x 2.00"), two square hole spacers (.250" x 1.00" x 3.00"), and two fishwire tools (1/2"). The factory M14 bolts securing the rear crossbeam are reused as part of the installation.
The manual does not specify which vehicle year, make, model or body style the 13503 is compatible with. The hitch is designed to mount to vehicles with rear crossbeams secured by M14 factory bolts. Contact CURT product support at 877.287.8634 or visit curtmfg.com to confirm fitment for your specific vehicle.
The fishwire is a tool used to guide the carriage bolt and spacer through the vehicle frame rail. Insert the coiled end of the fishwire through the hitch mounting hole and out the access hole. Pass the coiled end through the spacer and thread the bolt into the coil. Kink the wire to keep the spacer separate from the bolt. Pull the fishwire, spacer, and bolt through the frame and out the mounting hole. This technique prevents loss of the bolt or spacer inside the frame rail during installation.
1. Remove the four factory M14 bolts securing the rear crossbeam using a 21mm socket. 2. Use the fishwire technique to insert the square hole spacers (#4) and carriage bolts (#1) into the forward mounting hole of both frame rails. 3. Slide the round hole spacers (#3) onto the fishwired bolts and raise the hitch into position. Loosely reinstall the four factory M14 bolts. 4. Loosely install the supplied serrated flange nuts (#2) onto the fishwired bolts. 5. Torque all M14 fasteners to 126 ft-lbs. and all 1/2" fasteners to 110 ft-lbs.
During installation, loosely reinstall the four factory M14 bolts in Step 3 and loosely install the supplied 1/2" serrated flange nuts in Step 4. All fasteners are tightened to final torque specifications in Step 5: M14 fasteners to 126 ft-lbs. and 1/2" fasteners to 110 ft-lbs.
Torque all M14 factory fasteners to 126 ft-lbs. using a torque wrench. These are the four bolts that secure the rear crossbeam to the frame.
Torque all 1/2" fasteners (the supplied carriage bolts and serrated flange nuts) to 110 ft-lbs. using a torque wrench.
Yes. The four factory M14 bolts that secure the rear crossbeam to the frame are removed in Step 1 and then loosely reinstalled in Step 3 as part of the hitch mounting. These factory bolts are reused and do not need to be replaced.
You will need a 21mm socket to remove the four factory M14 bolts that secure the rear crossbeam to the frame.
The manual does not mention disconnecting the vehicle battery. This is a mechanical hitch installation with no electrical components, so battery disconnection is not required.
No drilling is required. The hitch mounts to existing factory M14 bolt holes in the frame and uses the fishwire technique to insert fasteners through the frame rails without drilling.
Safety glasses should be worn at all times while installing this product. The manual recommends having a second person or using a jack to assist in lifting the hitch into position to prevent injury. Proper tools will improve the quality of installation and reduce the time required.
CURT rates the installation difficulty as Easy. Installation difficulty levels are based on time and effort involved and may vary depending on the installer's level of expertise, condition of the vehicle, and proper tools and equipment.
To register your purchase, get copies of product warranties, or provide feedback, visit warranty.curtgroup.com/surveys. CURT stands behind its products with industry-leading warranties.
Visit www.curtmfg.com for a full-color copy of the installation manual, as well as helpful videos, guides, and more. You can also contact CURT product support at 877.287.8634.
The square hole spacers (.250" x 1.00" x 3.00") are fishwired into the forward mounting hole of both frame rails along with the carriage bolts. The round hole spacers (.188" x 1.50" x 2.00") are then slid onto the fishwired bolts before raising the hitch into position. These spacers help position and support the hitch during mounting.
The access hole is used with the fishwire technique to guide the carriage bolt and spacer through the frame rail. The fishwire is inserted through the hitch mounting hole and out the access hole (the next hole forward), allowing you to thread the bolt into the coil and pull the spacer and bolt through the frame without losing them inside the rail.
Yes, CURT 56407 is designed for Jeep Wrangler. The manual provides specific installation steps for Wrangler (Steps 2A–9A), including taillight access and wiring routing procedures unique to that model.
Yes, CURT 56407 is designed for Jeep Gladiator. The manual provides specific installation steps for Gladiator (Steps 2B–8B), including taillight removal using an 8mm socket and wiring routing procedures unique to that model.
CURT 56407 is a powered converter lead wiring harness system that converts your vehicle's factory taillight wiring to a 4-flat trailer connector. It allows you to connect a trailer with standard 4-flat lighting to your Jeep Wrangler or Gladiator.
Required tools are: ratchet, ratchet extension, wire stripper, wire crimper, Torx bit T-30, cutting tool, flat blade screwdriver, and fish wire. For Gladiator, you also need an 8mm socket. A test light or 4-flat tester is needed to verify function after installation.
The kit includes: custom wiring harness with yellow, green, and black wires; black converter box; white ground wire with ring terminal; provided ground screw; double-sided tape for converter box mounting; cable ties for securing wires; 4-flat connector; 4-flat dust cover; and butt connectors. A 10-amp fuse holder is included and must be installed after all other steps are complete.
Yes. Step 1 requires you to locate the vehicle battery and disconnect the negative battery terminal before beginning installation. Fasten this wire down and away from the battery. The negative battery terminal must remain disconnected until you are ready to connect the 12-volt power wire in the final steps.
The installation is rated as Easy. However, you must follow all steps carefully to ensure proper function. The manual recommends reading all instructions thoroughly before beginning and using proper tools to improve installation quality.
Drilling may be required for the ground wire connection. You must locate a grounding point near the converter box, such as an existing screw or bolt in the vehicle frame. If no existing fastener is available, you must drill a 3/32" pilot hole. The area must be free from rust, dirt, and paint (use an abrasive pad or paper to clean it). Before drilling, check for hidden items behind or under any surface to avoid damage and personal injury.
The battery connection must be fuse-protected with a 10-amp maximum fuse. Exceeding this rating can cause loss of warranty, overheating, and potential fire. The fuse holder with 10-amp fuse must be installed after all other steps are complete.
Signal circuits are rated at 3.0 amps per side. Tail and running circuits are rated at 6.0 amps total. Do not exceed the product rating or your tow vehicle's lamp load rating, whichever is lower.
Use 12 GA (12-gauge) wire or larger for the power wire running from the vehicle battery to the converter. Route this wire carefully to avoid pinch points and hot or rotating components. When passing the power wire through sheet metal, use an existing grommet, add a grommet, or use silicone to protect it from sharp edges.
The wiring harness uses the following color code: Yellow = Left turn, Green = Right turn, Red = Brake, Brown = Taillight. The custom wiring harness has a yellow wire end that connects to the factory wiring on the driver side, and a green wire end that routes to the passenger side. The black power wire connects to the vehicle battery positive terminal.
The white ground wire has a ring terminal that must be secured to the vehicle body using either an existing fastener (screw or bolt in the frame) or the provided ground screw. If drilling is necessary, drill a 3/32" pilot hole. Before securing, clean the area thoroughly with an abrasive pad or paper to remove rust, dirt, and paint. This ensures a solid ground connection.
On Wrangler: (1) Open the tailgate. (2) On the driver side, locate the small trim access cover on the rear corner and use a flat blade screwdriver to remove it. (3) Locate the plastic fastener securing the taillight and use a T-30 Torx bit to carefully remove it without damaging it. (4) With the taillight loose, pull it straight back. (5) Disconnect the wiring harness by sliding the red housing lock to the rear. Separate the connectors carefully without damaging the locking tabs. Repeat on the passenger side.
On Gladiator: (1) Open the tailgate. (2) Use an 8mm socket to remove the two bolts securing the taillight to the vehicle. (3) Remove the taillight by pulling it straight back. (4) Separate the connectors, taking care not to damage the locking tabs. Repeat on the passenger side.
Mount the black converter box on a flat, clean surface that is out of the path of spray and debris from the rear wheels and road. Use the provided double-sided tape to adhere it. Failure to mount the box in a protected area can cause loss of warranty, product failure, overheating, and potential fire. The box must be positioned so you can access the ground wire connection point nearby.
Locate the side of the custom wiring harness with the yellow wire and insert it into the factory wiring harness on the driver side. Make sure the connectors are fully inserted with the locking tabs in place. On the passenger side, route the green wire up to the passenger-side taillight harness and insert the custom wiring harness into the factory wiring, again ensuring full insertion with locking tabs in place.
On Wrangler: Route the custom wiring harness end with the green wire and 4-flat down the opening to the rear leaf spring shackle, then above the frame and below the body along the rear bumper towards the passenger side. Mount the 4-flat to the center of the vehicle near the hitch. On Gladiator: Route the green wire and 4-flat down the opening behind the taillight and along the rear bumper towards the passenger side, then mount the 4-flat to the center near the hitch. Secure all loose wires with provided cable ties.
Route the black 12 GA power wire from the converter to the vehicle battery location, taking care to avoid pinch points and hot or rotating components. Connect the ring terminal of the power wire to the positive (+) battery terminal. When passing the power wire through sheet metal, use an existing grommet, add a grommet, or use silicone to protect it from sharp edges. Secure the power wire to the vehicle chassis using the provided cable ties. Install the 10-amp fuse in the fuse holder after all other steps are complete.
After connecting the 12-volt power wire to the harness, verify that the harness is functioning by attaching the battery and testing with a test light, 4-flat tester, or a functioning trailer. This must be done before reinstalling the taillights.
When not in use, roll up the 4-flat connector and store it in a convenient, out-of-the-way location inside the trunk. When in use, route the 4-flat to the center of the vehicle and out of the trunk. Secure any loose wires with the provided cable ties.
Yes. Install the provided 4-flat dust cover to help prevent corrosion of the connector.
CURT 56407 is designed for use only on 12-volt negative ground systems. Do not use on any other electrical system configuration.
Do not exceed the product rating or your tow vehicle's lamp load rating, whichever is lower. Refer to your vehicle owner's manual or contact the vehicle manufacturer for specific lamp load rating information.
Periodic inspection of all wires and connections should be performed to ensure there is no visible damage or loose connections. This helps maintain proper function and prevent electrical issues.
Yes, CURT 56407 is designed for both Jeep Wrangler and Jeep Gladiator. The manual includes separate installation steps for each model.
Yes, you must disconnect the negative battery terminal before beginning installation and keep it disconnected until you are ready to connect the power wire in the final steps.
Drilling may be required for the ground wire connection. If no existing fastener is available in the vehicle frame, you must drill a 3/32" pilot hole. Always check for hidden items before drilling.
After connecting the 12-volt power wire to the harness and before reinstalling the taillights, test the harness by attaching the battery and using a test light, 4-flat tester, or a functioning trailer. This confirms that all signal circuits (left turn, right turn, brake, and taillight) are working correctly before completing the installation.
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