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CURT
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2002 - 2005 Ford Explorer
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Always the correct part
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Always the correct part
We know our products
Quality Products
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| Electrical System Type | 2W |
| Finish | N/A |
| Material | Blank |
| Mount Type Description | Blank |
| Output Type | 4-Way Flat |
| Side Application Type Description | Blank |
| T-Connector Location | S7 |
| Warranty | One-Year Limited Warranty |

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 |
|---|---|---|
| 2002 - 2005 | Ford Explorer | — |
The 02-05 Ford Explorer CURT 4-flat Plug and Play Trailer Wiring (Part #CTW836) fits 2002-2005 Ford Explorer models. The 2005 model year is the last year covered by this part number. For newer models, check for an updated version.
The 02-05 Ford Explorer CURT 4-flat Plug and Play Trailer Wiring (Part #CTW836) fits the following vehicles: 2002-2005 Ford Explorer. Always verify your specific year, make, and model before ordering.
Yes, the 02-05 Ford Explorer CURT 4-flat Plug and Play Trailer Wiring (Part #CTW836) is designed to fit the 2002-2005 Ford Explorer.
The 02-05 Ford Explorer CURT 4-flat Plug and Play Trailer Wiring (Part #CTW836) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, Curt part 55251 fits Ford Explorer models equipped with a factory tow package. The connector is designed for vehicles with a factory 4-flat connector. Check your vehicle owner's manual or contact the vehicle manufacturer to confirm your Explorer has the tow package.
Yes, the Curt 55251 custom wiring connector is compatible with Lincoln Navigator models that have a factory tow package. Your Navigator must be equipped with the tow package to use this connector.
Yes, the Curt 55251 is compatible with Mercury Mountaineer models that have a factory 4-flat connector and tow package. Verify your Mountaineer has the factory tow package before purchasing.
Yes. The Curt 55251 is designed for vehicles with a factory tow package. All listed applications (Ford Explorer, Lincoln Navigator, and Mercury Mountaineer) require the tow package. Check your vehicle owner's manual or contact the vehicle manufacturer to confirm your vehicle has this package.
The Curt 55251 is a custom wiring connector that connects your vehicle's factory taillight wiring harness to a 4-flat trailer connector. It allows you to safely power trailer lights using your vehicle's existing electrical system.
The vehicle taillight wiring harness connector is located behind the passenger-side rear bumper. Refer to the wiring location diagram on page 1 of the installation instructions for the exact location on your vehicle model.
1. Locate the vehicle taillight wiring harness connector behind the passenger-side rear bumper. Remove the protective dust cover and clean any debris. 2. Insert the custom wiring connector into the vehicle connector, ensuring the connectors are fully inserted with locking tabs in place. 3. Route the 4-flat to the center of the vehicle and out of the trunk when in use. When not in use, roll up and store in the trunk. 4. Secure loose wires with the provided cable ties. 5. Install the provided 4-flat dust cover to prevent corrosion.
No. The Curt 55251 is inserted directly into the existing vehicle taillight wiring harness connector. You do not remove the factory connector; instead, you insert the custom wiring connector into it.
When not in use, roll up the 4-flat connector and store it in a convenient, out-of-the-way location inside the trunk. This protects it from damage and keeps it organized.
The Curt 55251 includes the custom wiring connector, a 4-flat dust cover, and cable ties for securing loose wires.
Do not exceed the product rating or your tow vehicle's lamp load rating, whichever is lower. Exceeding either rating can cause loss of warranty, overheating, and potential fire. Refer to your vehicle owner's manual for the tow vehicle lamp load rating, or contact the vehicle manufacturer for the specific product rating.
Test the connector for proper function using a test light or by connecting a properly wired trailer. This ensures the wiring connector is functioning correctly before towing.
Route the 4-flat connector to the center of the vehicle and out of the trunk when in use. This ensures proper cable routing and prevents damage to the connector or wiring.
The provided cable ties are used to secure any loose wires during installation. This keeps the wiring organized and prevents tangling or damage.
The provided 4-flat dust cover helps prevent corrosion of the connector. Installing it protects the connector from moisture and debris, extending its lifespan.
Before inserting the custom wiring connector, locate the vehicle taillight wiring harness connector behind the passenger-side rear bumper. Remove the protective dust cover and clean any debris from the connector to ensure a proper connection.
The custom wiring connector is fully inserted when the locking tabs are in place. Ensure the connectors are fully seated before proceeding with the installation.
The Curt 55251 fits Ford Explorer, Lincoln Navigator, and Mercury Mountaineer models equipped with a factory tow package.
No drilling is required. The connector inserts directly into the existing vehicle taillight wiring harness connector behind the passenger-side rear bumper.
No tools are required for installation. The manual lists 'None' under Tools Needed.
Do not exceed the product rating or tow vehicle lamp load rating, whichever is lower. Exceeding either can cause loss of warranty, overheating, and potential fire.
Test the connector using a test light or by connecting a properly wired trailer to verify proper function.


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