5th Wheel Wiring

CURT 7' Custom Wiring Extension Harness (Adds 4-Way, 7-Way RV Blade to Truck Bed) 56003CURT In Stock

Retains factory rear socket while adding bed-mounted connector
Plug-and-play design requires no cutting or splicing wires
Supports 5th wheel and gooseneck trailer wiring simultaneously

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CURT 7' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed, Packaged) Trailer Connector KitCURT In Stock

7-way RV blade connector with 7-foot extension harness
Requires 2-1/8" hole saw for truck bed installation
Simple plug-and-play design, no cutting or splicing needed
Professional installation recommended, approximately 45 minutes required

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CURT 56072 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension & Cover, Select Chevrolet, GMCCURT In Stock

7-foot extension harness with 7-way RV blade connector
Plug-and-play design, no cutting or splicing required
Includes adapter cover and spring-loaded dust protection
Carries tail, brake, reverse, turn signals, auxiliary power

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CURT 7' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed, Packaged) Trailer Wiring Adapter ConnectorCURT In Stock

7-foot extension harness with 7-way RV blade connector
Requires 2-1/8 inch hole saw for installation
Includes bolt isolators for aluminum truck beds
Professional installation recommended, approximately 45 minutes

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CURT 57280 8-Foot 7-Way RV Blade Vehicle-Side to 4-Way Flat Trailer Wiring Adapter Extension HarnessCURT In Stock

8-foot coiled cable extends without ground contact
UV-resistant cable with corrosion-resistant molded plastic housing
Connects tail lights, brake lights, turn signals only
Plug-and-play installation, no cutting or splicing required

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CURT 7' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed) Trailer Connector KitCURT In Stock

7-way RV blade connector with 7-foot extension cable
Plug-and-play design, no cutting or splicing required
Requires 2-1/8 inch hole saw for installation

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CURT 10' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed, Packaged) Trailer Wiring Adapter ConnectorCURT In Stock

10' extension harness with 7-way RV blade connector
Requires 2-1/8" hole saw for truck bed installation
Includes bolt isolator kit for aluminum truck beds
45-minute professional installation, plug-and-play design

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CURT 56001 10-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Dodge Ram 1500, 2500, 3500, DakotaCURT In Stock

10-foot extension harness with 7-way RV blade connector
Plug-and-play design requires no cutting or splicing
Requires 2-1/8 inch hole saw for installation
Spring-loaded dust cover protects connector when unused

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CURT 7' 7-Way RV Blade Extension Harness (Routes to Truck Bed) Trailer Connector KitCURT In Stock

Supports 5th wheel and gooseneck trailer wiring connections
Spring-loaded dust cover protects connector when disconnected
Limited lifetime warranty with one-year finish coverage

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CURT 10' Custom Wiring Extension Harness (Adds 7-Way RV Blade to Truck Bed) Trailer Connector KitCURT In Stock

10-foot extension harness with 7-way RV blade connector
Requires 2-1/8" hole saw for truck bed installation
Advanced installation, approximately 45 minutes
Plug-and-play design, no cutting or splicing required

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CURT 7' Custom Wiring Extension Harnesses (Adds 7-Way RV Blade to Truck Bed, 10-Pack) Trailer Connector KitCURT In Stock

Requires 2-1/8" hole saw for truck bed installation
Plug-and-play design, no cutting or splicing required
Professional installation recommended, approximately 45 minutes per harness

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CURT Custom 7-Way RV Blade, Select Honda Pilot, Ridgeline, OEM Tow Package Required Trailer Connector KitCURT In Stock

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Choose between truck bed extension harnesses that route power to the tailgate, aluminum-bed isolator kits that prevent grounding issues, and vehicle-specific 7-way blade connectors built for OEM tow packages. CURT and Hopkins options cover custom fitments so you can match your truck's exact wiring setup for reliable 5th wheel lighting and brakes.

5th Wheel Wiring

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