---
product_id: 5145589
title: "CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota"
brand: "curt"
price: "$201.59"
currency: USD
in_stock: true
reviews_count: 13
category: "Curt"
url: https://www.desertcart.us/products/5145589-curt-56070-7-foot-vehicle-side-truck-bed-7-pin
store_origin: US
region: United States of America
---

# 7-foot extension length 7-pin RV blade connector No cutting or splicing installation CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota

**Brand:** curt
**Price:** $201.59
**Availability:** ✅ In Stock

## Summary

> 🔗 Stay connected, stay ahead—tow smarter with CURT’s ultimate wiring extension!

## Quick Answers

- **What is this?** CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota by curt
- **How much does it cost?** $201.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/5145589-curt-56070-7-foot-vehicle-side-truck-bed-7-pin)

## Best For

- curt enthusiasts

## Why This Product

- Trusted curt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Power:** Seamlessly extend your truck’s trailer wiring without any cutting or splicing—just plug in and go.
- • **Tailored Truck Fit:** Designed specifically for select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, and Toyota models for effortless installation.
- • **Flexible 7-Foot Reach:** Generous harness length lets you position the connector exactly where you need it in your truck bed.
- • **Heavy-Duty Durability:** Rugged molded plastic housing with spring-loaded dust cover ensures long-lasting, weather-resistant connections.
- • **Dual Socket Convenience:** Retains your rear 7-way socket while adding an extra one in the truck bed—switch between hitches without hassle.

## Overview

The CURT 56070 is a 7-foot 7-pin trailer wiring harness extension designed for select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, and Toyota trucks. It provides a plug-and-play solution to add an additional 7-way RV blade socket in the truck bed while retaining the original rear socket. Constructed with durable molded plastic and a spring-loaded dust cover, it ensures reliable, weather-resistant connections without any wire cutting or splicing. Perfect for 5th wheel and gooseneck trailer owners seeking flexible, heavy-duty towing electrical solutions.

## Description

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 a certain models of Chevrolet, Dodge, Ford, GMC, Nissan, Ram and Toyota (see application to verify fitment). When you need a towing electrical solution that allows you to switch back and forth between your receiver hitch and specialized trailer hitch, CURT gets you plugged in.

Review: Great product to not cut and splice leaving original - Easy plug and play hook up on old harness making both plugs function without cutting and splicin ! Quick install as well as easy ! Works as it should. Length is perfect to run down to old plug adapt off it and run into bed for a gooseneck hook up where I wanted it .
Review: Quick and easy install - Very easy DIY plug and play installation and works great. Whole time spent on installing was about 30mins start to finish.

## Features

- TRUCK BED EXTENSION. This trailer wiring harness is designed to be an extension of the existing tow wiring of your truck. It retains use of the rear 7-way RV blade socket, while adding an additional 7-way socket in the truck bed
- EASY TO INSTALL. No wire cutting! No splicing! This trailer wire extension plugs into existing factory wiring on your truck and has a 7-foot harness for flexible positioning in the truck bed (2-1/8-inch hole saw required for installation)
- HEAVY-DUTY CONNECTOR. The 7-pin trailer wire extension can be used to connect trailer taillights, brake lights, reverse lights, turn signals, electric trailer brakes and an auxiliary power wire
- DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of the 7-pin truck wiring socket is made from durable molded black plastic and has a spring-loaded dust cover to protect the connection points
- VEHICLE-SPECIFIC. This vehicle-trailer wiring extension harness is designed for select models of Chevrolet, Dodge, Ford, GMC, Nissan, Ram and Toyota vehicles, ensuring the easiest possible installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0031GHBSE |
| Best Sellers Rank | #18,886 in Automotive ( See Top 100 in Automotive ) #58 in Automotive Replacement Electrical Wiring Harnesses |
| Brand | CURT |
| Connector Type | 7-way Rv Blade |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,450) |
| Date First Available | October 10, 2007 |
| Global Trade Identification Number | 00612314560707 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.2 pounds |
| Item dimensions L x W x H | 8.7 x 8.2 x 4.1 inches |
| Item model number | 56070 |
| Manufacturer | CURT |
| Manufacturer Part Number | 56070 |
| Material | Plastic |
| Model | Wiring Extension |
| OEM Part Number | 56070 |
| Product Dimensions | 8.7 x 8.2 x 4.1 inches |
| UPC | 612314560707 |
| Wattage | 3 |

## Product Details

- **Brand:** CURT
- **Connector Type:** 7-way Rv Blade
- **Item Weight:** 2.2 Pounds
- **Item dimensions L x W x H:** 8.7 x 8.2 x 4.1 inches
- **Material:** Plastic

## Images

![CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota - Image 1](https://m.media-amazon.com/images/I/71xWDvj-NeL.jpg)

## Questions & Answers

**Q: Will it fit a 2021 Dodge Ram 2500?**
A: Yes this will fit your 2021 Dodge Ram 2500

**Q: Will this fit my 2004 chevy 2500hd?**
A: It should fit, worked great on my 2003 2500 HD.

**Q: Will it fit a 1999 ford super duty**
A: Fit my 03! I used it for an extra of the left inside for the fifth wheel did have to drill out the inside behind the light with a 2 1/4" hole saw to get the connector through.

**Q: This does alow the use of both bumper and bed plugs?**
A: Yes you just un plug the factory plug and the Curt plugs into the factory plug allowing use of both the factory and the Curt in bed plug. Easy to install.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product to not cut and splice leaving original
*by M***H on September 6, 2025*

Easy plug and play hook up on old harness making both plugs function without cutting and splicin ! Quick install as well as easy ! Works as it should. Length is perfect to run down to old plug adapt off it and run into bed for a gooseneck hook up where I wanted it .

### ⭐⭐⭐⭐⭐ Quick and easy install
*by R***. on December 17, 2025*

Very easy DIY plug and play installation and works great. Whole time spent on installing was about 30mins start to finish.

### ⭐⭐⭐⭐⭐ Easy mounting.
*by P***R on October 17, 2025*

This is the way to go if you need to replace your seven pin RV whip. Fit flawlessly in the bed of my truck and easily plugged into my existing one on my 2019 F350. Would recommend.

## Frequently Bought Together

- CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota , black
- B&W Trailer Hitches Turnoverball Gooseneck Hitch - GNRK1320 - Compatible with 2019-2024 Ram 2500 & 3500 Trucks

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-16*