Plug and Play Flat Tow Wiring for 2018 Ford F-150
Updated 10/22/2025 | Published 04/03/2025
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Question:
I plan to Dinghy tow, my Ford F150 4x4. Do they make a harness that I can use to connect to the lights from my motorhome. to the Truck lights, without having to cut the wires on the truck. I wondered if I could use the trailer wiring package and just splice to the wires to drive the lights on the F150. I know I would need a diode to keep from back feeding the vehicle.
asked by: Steven
Expert Reply:
Hi Steven; we do have one plug and play wiring harness which is the Blue Ox EZ Light Tow Bar Wiring Kit for 2015 - 2020 Ford F-150 # BLU92HR. Tying into your trailer wiring would not work and if you're willing to splice into that wiring and add diodes you're better off just adding the standard Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles # RM-15267. Have you picked out the rest of your parts for flat towing? I would be happy to recommend a complete setup if you need it, just let me know in the comments below.
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Product Page this Question was Asked From
Blue Ox EZ Light Custom Plug-In Tow Bar Wiring Kit
- Flat Tow Wiring Harness
- Plugs into Vehicle Wiring
- Wiring Harness
- Custom Fit
- 4 Flat
- Blue Ox
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Robin H.
10/22/2025
Hey Steven, how did things go with the Blue Ox EZ Light wiring kit for your F-150? Did it give you the clean connection you wanted without cutting into the factory wires? Your update could make it easier for others setting up their trucks for flat towing.