Flat Tow Setup for 2018 Ford Expedition Max
Updated 10/09/2026 | Published 10/08/2026
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Question:
I am trying to hook up my 2009 Tiffin Phaeton to my 2018 Ford Expedition Max to flat tow yes mine has the setting. I am looking at wiring and wondering if you haver a vehicle-specific plug-in taillight connector for the Expedition instead of splicing to minimize changes? can you comment on if there is something OR does my plan look good? My plan was: e86YR for expedition e94ZR tow bar 2 hitch RM-156-75 for motorhome chargeline RM-156-25 for expedition charge line BLU37TR for the portable brake system ****RM-15267 is the wiring BUT I am asking if you have something that doesnt need to be spliced
asked by: Josh G
Expert Reply:
Hey Josh! Your list looks good for flat towing your 2018 Ford Expedition Max behind your 2009 Tiffin Phaeton. The Roadmaster Direct-Connect Base Plate Kit # e86YR fits your Expedition as long as you have 4WD with the 4L mode. The etrailer Tow Bar # e94ZR comes with safety cables and has a built-in rise/drop adjustment, so you likely won't need a separate high-low adapter.
The Blue Ox Patriot # BLU37TR is a great portable braking system. You'll also need the Roadmaster Brake-Lite Relay # RM-88400 to prevent the Expedition's brake lights from overriding the turn signals from your motorhome.
For wiring, we don't have a custom plug-in harness for your Expedition, so I recommend sticking with the Roadmaster Diode Wiring Kit # RM-15267. The Roadmaster will give you the most reliable setup, and the splicing isn't as difficult as it might seem. The plug-and-play options sound nice, but we see a lot of issues with them and end up troubleshooting, whereas the Roadmaster just works.
The Roadmaster Charge Line Kits # RM-156-75 for your motorhome and # RM-156-25 for your Expedition will help keep the battery charged while you're towing, so you're all set there.
Where are you headed with your Phaeton and Expedition?
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Product Page this Question was Asked From
etrailer Invisible Base Plate Kit - Removable Arms
- Tow Bar Base Plate
- Removable Draw Bars
- Twist Lock Attachment
- Completely Hidden
- etrailer
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