CURT | Custom Wiring Harness, 4-Way Flat Output - ProMaster 1500 / ProMaster 2500 / ProMaster 3500 3.0L / 3.6L 2014-2024

CURT – Custom Wiring Harness, 4-Way Flat Output

Description

The CURT 56478 custom wiring harness provides a 4-way flat trailer connection for select Ram ProMaster 1500, 2500, and 3500 vans. This T-connector plugs directly into the vehicle's taillight assembly using OEM-compatible connectors — no cutting, splicing, or soldering required. Equipped with a universal potted, powered, and protected PWM converter, it ensures reliable compatibility with the vehicle's electrical system. The 4-way flat output covers tail lights, brake lights, and turn signals. Includes a dust cover, fuse holder, and battery connection wiring. Note: a vehicle battery connection is required.

Specifications

• Brand: CURT
• SKU / Part Number: 56478
• Compatibility: Ram ProMaster 1500, 2500, 3500 (See Application Section)
• Product Type: Custom Wiring Harness (T-Connector)
• Output Type: 4-Way Flat
• Electrical System Type: 3W
• Converter Type: Universal, Potted, Powered, Protected, PWM
• Tail Light Circuits: 7.5 A
• Turn & Brake Circuits: 7.5 A
• Installation: Plug-and-play, vehicle battery connection required
• Finish: Black Plastic
• Warranty: Limited One-Year
• Condition: New
• Sold and Shipped by Truck Expert

Note:

• FREE Delivery