10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
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10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package

2 sold in last 8 hours
Curt Hitches
ds_CUR57010
In stock
$169.02
There is nothing like the luxury and power that go along with heavy-duty towing. 5th wheel...
Size Guide
$169.02

10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
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 10. It is compatible with certain years of the Ford F-150, F-250 Super Duty and F-350 Super Duty (see application to verify fitment). 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 trucks finish. It includes four bolts for secure mounting and four plastic well nuts to isolate the fasteners from all aluminum surfaces.

Installation Instructions



This fits:

Year Make Model Submodel Notes
2015-2018 Ford F-150 10 Ft.; Install Time 45 Minutes
2019-2021 Ford F-150 King Ranch 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 Lariat 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 Limited 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 Platinum 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 Police Responder 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 SSV 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 XL 10 Ft.; For Models w/Aluminum Box
2019-2021 Ford F-150 XLT 10 Ft.; For Models w/Aluminum Box
2017-2019,2021 Ford F-250 Super Duty 10 Ft.; For Models w/Aluminum Box
2017-2019,2021 Ford F-350 Super Duty 10 Ft.; For Models w/Aluminum Box
2020-2021 Ford F-450 Super Duty 10 Ft.


Description 10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
Description_DES 10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Package
Description_EXT 10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Packaged)
Description_FAB 10 ft. Extension w/Right-Angle Plug For Easy Installation
Description_FAB 10 ft. Extension w/Right-Angle Plug For Easy Installation
7-Way Connects Tail Brake Reverse Turn Signals Brakes
Allows For Easy Connection Of 5Th Wheel Or Gooseneck Wiring
Routes A 7-Way Into Truck Bed While Retaining Use Of Rear Socket
Simple Plug-And-Play Design Eliminates The Need For Splicing
Slit Loom Keeps Wires Contained And Well Protected
Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use
Description_FAB 7-Way Connects Tail Brake Reverse Turn Signals Brakes
Description_FAB Allows For Easy Connection Of 5Th Wheel Or Gooseneck Wiring
Description_FAB Routes A 7-Way Into Truck Bed While Retaining Use Of Rear Socket
Description_FAB Simple Plug-And-Play Design Eliminates The Need For Splicing
Description_FAB Slit Loom Keeps Wires Contained And Well Protected
Description_FAB Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use
Description_LAB Proposition 65
Description_MKT 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 10. It is compatible with certain years of the Ford F-150, F-250 Super Duty and F-350 Super Duty (see application to verify fitment). 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 trucks finish. It includes four bolts for secure mounting and four plastic well nuts to isolate the fasteners from all aluminum surfaces.
Description_SHO 10ft. Custom Wiring
Dimensional Weight 35
Extended Description 10ft. Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed; Packaged)
Features & Benefits 10 ft. Extension w/Right-Angle Plug For Easy Installation
Features & Benefits 10 ft. Extension w/Right-Angle Plug For Easy Installation
7-Way Connects Tail Brake Reverse Turn Signals Brakes
Allows For Easy Connection Of 5Th Wheel Or Gooseneck Wiring
Routes A 7-Way Into Truck Bed While Retaining Use Of Rear Socket
Simple Plug-And-Play Design Eliminates The Need For Splicing
Slit Loom Keeps Wires Contained And Well Protected
Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use
Features & Benefits 7-Way Connects Tail Brake Reverse Turn Signals Brakes
Features & Benefits Allows For Easy Connection Of 5Th Wheel Or Gooseneck Wiring
Features & Benefits Routes A 7-Way Into Truck Bed While Retaining Use Of Rear Socket
Features & Benefits Simple Plug-And-Play Design Eliminates The Need For Splicing
Features & Benefits Slit Loom Keeps Wires Contained And Well Protected
Features & Benefits Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use
height 4.0
length 9.0
Manufacturer Curt Hitches
Manufacturer Label 7-Way Extension Harness For 5th Wheel And Gooseneck
Manufacturer Part Number 57010
mfr_label 7-Way Extension Harness For 5th Wheel And Gooseneck
Quality Quality - 7-Way Extension Harness For 5th Wheel And Gooseneck
Short Description 10ft. Custom Wiring
weight 3.3
width 9.0
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