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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 | T3 |
| 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 |
|---|---|---|
| 1987 - 1996 | Ford F-150 | Excluding factory receiver and 2004 Heritage Edition |
The 87-96 Ford F-150 Excluding factory receiver and 2004 Heritage Edition CURT 4-flat Plug and Play Trailer Wiring (Part #CTW861) fits 1987-1996 Ford F-150 models. The 1996 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 87-96 Ford F-150 Excluding factory receiver and 2004 Heritage Edition CURT 4-flat Plug and Play Trailer Wiring (Part #CTW861) is designed to fit the 1987-1996 Ford F-150.
The 87-96 Ford F-150 Excluding factory receiver and 2004 Heritage Edition CURT 4-flat Plug and Play Trailer Wiring (Part #CTW861) fits the following vehicles: 1987-1996 Ford F-150. Always verify your specific year, make, and model before ordering.
The 87-96 Ford F-150 Excluding factory receiver and 2004 Heritage Edition CURT 4-flat Plug and Play Trailer Wiring (Part #CTW861) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, the Curt 55316 is designed for Ford F-150 pickup trucks. It is also compatible with Ford F-250, F-350, F-250 heavy duty, and F-350 heavy duty models. Confirm your vehicle matches one of these applications before purchasing.
Yes, the Curt 55316 is compatible with Ford F-250, F-350, F-250 heavy duty, and F-350 heavy duty pickup trucks, as well as the F-150.
The Curt 55316 is a custom wiring harness that connects to your vehicle's taillight wiring. The harness end with the yellow wire inserts between the separated taillight connectors. The harness terminates in a 4-flat connector for trailer use.
Lowering the spare tire is not required but may ease installation. The manual notes that lowering the vehicle spare tire may make the installation easier, so consider this if you encounter tight access to the taillight connectors.
1. Locate the vehicle taillight wiring harness connectors and separate them from the taillight housing, taking care not to damage the locking tabs. 2. Insert the custom wiring harness end with the yellow wire between the separated connectors, ensuring they are fully inserted with locking tabs in place. 3. Route the 4-flat connector to the center of the vehicle and out of the trunk when in use; roll up and store in the trunk when not in use. Secure loose wires with the provided cable ties. 4. Reinstall all removed items and install the provided 4-flat dust cover.
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 and store in a convenient, out-of-the-way location inside the trunk.
The Curt 55316 includes the custom wiring harness with a yellow wire end, cable ties for securing loose wires, and a 4-flat dust cover to help prevent corrosion.
Do not exceed the product rating or your tow vehicle lamp load rating, whichever is lower. Exceeding the product rating can cause loss of warranty, overheating, and potential fire. Check your vehicle owner's manual or contact the vehicle manufacturer for your specific lamp load rating.
After installation, test for proper function by using a test light or by connecting a properly wired trailer. All steps must be followed to ensure the wiring harness functions properly.
The yellow wire is the end of the custom wiring harness that inserts between the separated taillight connectors during installation. It is part of the connector interface that links the harness to your vehicle's taillight wiring.
The provided 4-flat dust cover helps prevent corrosion of the 4-flat connector. Install it after completing the wiring harness installation.
Yes, you must take care not to damage the locking tabs when separating the taillight connectors. Handle the connectors carefully during Step 1 to avoid damaging these tabs, which are essential for securing the connections.
The Curt 55316 fits Ford F-150, F-250, F-350, F-250 heavy duty, and F-350 heavy duty pickup trucks.
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.
The manual lists no tools as needed for installation.
Test for proper function using a test light or by connecting a properly wired trailer.
The harness includes cable ties for securing wires and a 4-flat dust cover to prevent corrosion.





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