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PC: E31
UPC: 612314570089

7' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed, Packaged) #57008

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  • Routes a 7-way RV blade socket into truck bed while retaining use of rear socket
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • Allows for easy connection of 5th wheel or gooseneck wiring
  • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
  • 7' extension with right-angle plug for easy installation
  • Neoprene well nuts isolate steel bolts from aluminum surfaces
  • Spring-loaded dust cover keeps connector clean when not in use
  • Slit loom keeps wires contained and well protected

Notes:

  • Requires 2-1/8" hole saw for installation
  • Includes bolt isolator kit for aluminum truck beds #57007

Guides & Install Sheets

Product Videos

PRODUCT SPECIFICATIONS

  • MaterialBlank
  • Part Type*
  • Installation Time Exact45
  • Shipping Weight2.700
  • WarrantyOne-Year Limited Warranty
  • HUB_USAD25
  • Electrical Package TypePackaged
  • Installation DifficultyDifficult

There is nothing like the luxury and power that go along with heavy-duty towing. 5th wheel RVs offer a deluxe, home-away-from-home experience unlike any other, while gooseneck trailers possess a strength that far surpasses most other trailer options. As with any trailer, however, 5th wheels and goosenecks must be equipped with the proper lighting and electrical systems, and tend to require even more complex connectors than a standard receiver-type trailer setup. Make things simple with a CURT 5th wheel / gooseneck extension harness.

These wiring harnesses are designed to put an extra connector socket in the bed of your pickup truck while still retaining power to the rear connector socket mounted on your bumper. This is done by plugging into the back of the existing original equipment (OEM) harness and routing through the body of the truck to a hole in the truck bed, providing a connector that is ready to accommodate your 5th wheel or gooseneck trailer.

This CURT extension harness is designed to work with 7-way RV blade connectors and comes in a length of 7'. It is compatible with certain years of the Ford F-150, F-250 Super Duty and F-350 Super Duty (to verify your vehicle compatibility, see the CURT application guide at curtmfg.com).

For trucks with an aluminum body, galvanic corrosion can become a problem when installing vehicle-to-trailer wiring without the appropriate protection. This kit includes isolators that allow you to install the wiring harness extension in an aluminum truck bed without having to worry about ruining the truck's finish. It includes four bolts for secure mounting and four plastic well nuts to isolate the fasteners from all aluminum surfaces.

22 COMPATIBLE VEHICLES
YEAR MAKE MODEL STYLE INSTALL TIME
2015 Ford F-150 ALL
2016 Ford F-150 ALL
2017 Ford F-150 ALL
2018 Ford F-150 ALL
2019 Ford F-150 All
2017 Ford F-250 Super Duty ALL
2018 Ford F-250 Super Duty ALL
2019 Ford F-250 Super Duty ALL
2020 Ford F-150 All
2021 Ford F-150 All
2020 Ford F-250 Super Duty All
2021 Ford F-250 Super Duty All
2017 Ford F-350 Super Duty Excluding Cab & Chassis
2018 Ford F-350 Super Duty Excluding Cab & Chassis
2019 Ford F-350 Super Duty Excluding Cab & Chassis
2020 Ford F-350 Super Duty Excluding Cab & Chassis
2021 Ford F-350 Super Duty Excluding Cab & Chassis
2017 Ford F-450 Super Duty Excluding Cab & Chassis
2018 Ford F-450 Super Duty Excluding Cab & Chassis
2019 Ford F-450 Super Duty Excluding Cab & Chassis
2020 Ford F-450 Super Duty Excluding Cab & Chassis
2021 Ford F-450 Super Duty Excluding Cab & Chassis
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