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| Material | Blank |
| Mount Type Description | Blank |
| Output Type | 4-Way Flat |
| Side Application Type Description | Blank |
| T-Connector Location | S5,S7 |
| Warranty | One-Year Limited Warranty |
| Electrical System Type | 2W |
| Finish | N/A |

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 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 1998 - 2006 | Jeep Wrangler | TJ |
The 98-06 JEEP Wrangler TJ CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1578) fits 1998-2006 Jeep Wrangler models. The 2006 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 98-06 JEEP Wrangler TJ CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1578) is designed to fit the 1998-2006 Jeep Wrangler.
The 98-06 JEEP Wrangler TJ CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1578) fits the following vehicles: 1998-2006 Jeep Wrangler. Always verify your specific year, make, and model before ordering.
The 98-06 JEEP Wrangler TJ CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1578) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, the 55363 custom wiring harness is designed for Jeep Wrangler and Jeep TJ (Canada) models. It is a vehicle-specific harness that connects to the existing taillight wiring connectors located behind the rear bumper covers on both driver and passenger sides.
The 55363 is compatible with Jeep TJ (Canada) models. For other TJ variants or model years, check your vehicle owner's manual or contact the vehicle manufacturer to confirm compatibility.
The Curt 55363 custom wiring harness fits Jeep Wrangler and Jeep TJ (Canada) models. For other vehicles or model years, check your vehicle owner's manual or contact the vehicle manufacturer.
You will need a panel trim removal tool to remove the black plastic covers protecting the vehicle wiring harness at the rear bumper corners. The harness includes a provided screw and ring terminal for the ground wire, and cable ties for securing loose wires.
Yes, a panel trim removal tool is required to remove the trim fasteners securing the black plastic covers at the rear bumper corners.
The manual does not specify whether battery disconnection is required. Check your vehicle owner's manual or contact the vehicle manufacturer for guidance on electrical work safety procedures.
The vehicle taillight wiring harness connectors are located behind the black plastic covers at the rear bumper corners on both the driver and passenger sides. Remove the two trim fasteners securing each cover to access the connectors.
Remove the foam tape from the vehicle connectors and separate them carefully without damaging the locking tabs. Insert the custom wiring harness end with the yellow wire between the separated connectors on the driver side, ensuring the connectors are fully inserted with locking tabs in place. Repeat on the passenger side using the harness end with the green wire.
The yellow wire end connects to the driver-side taillight wiring harness connectors, and the green wire end connects to the passenger-side taillight wiring harness connectors. Route each end to its corresponding side of the vehicle.
Drilling is optional. You must locate a suitable grounding point near the driver-side connector, such as an existing screw with nut in the vehicle frame. If no suitable existing screw is available, you may drill a 3/32" pilot hole for the provided screw. The area must be free of rust, dirt and paint. Always check for hidden items before drilling to avoid damage and personal injury.
Drilling is not required if an existing screw with nut is available in the vehicle frame near the driver-side connector for the ground wire. If no existing screw is suitable, you may drill a 3/32" pilot hole.
If drilling is necessary, drill a 3/32" pilot hole for the provided ground wire screw. The area must be free of rust, dirt and paint. Always check for hidden items before drilling to avoid damage and personal injury.
The manual does not provide a torque specification for the ground wire screw. Consult the vehicle manufacturer or a qualified installer for the appropriate torque value.
When in use, route the 4-flat connector to the center of the vehicle and out of the trunk. When not in use, roll up the harness and store it in a convenient, out-of-the-way location inside the trunk. Secure any loose wires with the provided cable ties.
The white wire is the ground wire. Secure it using the ring terminal and provided screw to a suitable grounding point near the driver-side connector, such as an existing screw with nut in the vehicle frame or a 3/32" pilot hole you drill.
The manual states that you must 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. The specific product rating is not provided in the manual; contact the manufacturer for this specification.
No. Do not exceed the product rating or tow vehicle lamp load rating, whichever is lower. Exceeding the rating can cause loss of warranty, overheating and potential fire.
Before drilling, check for miscellaneous items that may be hidden behind or under any surface to avoid damage and personal injury. The grounding area should be free of rust, dirt and paint.
All steps must be followed to ensure the wiring harness functions properly. Once installed, test for proper function by using a test light or connecting a properly wired trailer.
Test for proper function by using a test light or connecting a properly wired trailer. Ensure all connectors are fully inserted with locking tabs in place and the ground wire is securely fastened.
Install the provided 4-flat dust cover to help prevent corrosion. This is done as part of the final reinstallation step after all other components are in place.
1. Remove the black plastic covers at both rear bumper corners. 2. Separate the vehicle taillight connectors on the driver side. 3. Insert the harness end with yellow wire between the separated connectors. 4. Route the harness end with green wire to the passenger side and repeat steps 2-3. 5. Secure the white ground wire to a suitable grounding point. 6. Route the 4-flat connector and secure loose wires with cable ties. 7. Reinstall all removed items and install the 4-flat dust cover.
Verify that all steps have been followed correctly. Check that: (1) the custom wiring harness connectors are fully inserted with locking tabs in place on both driver and passenger sides, (2) the white ground wire is securely fastened to a suitable grounding point, (3) the correct harness ends (yellow for driver side, green for passenger side) are connected to their respective sides, and (4) all loose wires are secured with cable ties. Test using a test light or properly wired trailer.
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