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What Wiring do I Need to Add a 7 Way to the Bed of My 2004 Ford F-350 Super Duty?  

Updated 07/30/2026 | Published 07/26/2026

Question:

2004 Ford F350, looking for Tee connector 7 pin for in the bed using existing bumper mount 7 pin.

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Expert Reply:

Hello Michael,

Thanks for writing in!

It looks like you already found the best option. The Curt 5th Wheel/Gooseneck Custom Wiring Harness with 7-Pole Connector - 7' Long # C56070 is a great fit for your 2004 Ford F-350 Super Duty.

Installation is straightforward since it plugs into the factory 7-way wiring at the rear of the truck. From there, you'll route the harness up to the bed and mount the new 7-way where it's most convenient for your setup. There is some drilling required to mount the connector, but there is no cutting or splicing into your factory wiring. I attached an image of the completed project.

What are you planning to tow that has you adding the 7-way in the bed? Something fun like a 5th wheel?

expert reply by:
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Kate F
7 Way in Bed of Truck
7 Way in Bed of Truck
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