Automotive Wiring Harness
56070 7-Way Truck Bed Trailer Wiring Harness Extension
7-foot vehicle-side truck bed 7-way trailer wiring harness extension for adding an in-bed RV blade socket while retaining the rear trailer socket connection, with loom or braided-sleeve protection available for exposed routing.
- 7-foot extension harness for truck bed 7-way trailer socket routing
- Adds in-bed trailer connection while retaining rear socket use
- Suitable for 5th-wheel and gooseneck trailer hookup
- Protected harness layout with loom or braided-sleeve options
- Hardware and socket set style available for standard builds
56070 7-Way Truck Bed Trailer Wiring Harness Extension Overview
7-foot vehicle-side truck bed 7-way trailer wiring harness extension for adding an in-bed RV blade socket while retaining the rear trailer socket connection, with loom or braided-sleeve protection available for exposed routing.
This 56070-style truck bed trailer wiring harness extension is used to route a 7-way RV blade connection from the rear towing harness into the pickup bed for easier 5th-wheel and gooseneck trailer hookup. The assembly typically includes an inline vehicle-side plug and socket, a bed-mounted 7-way socket with dust cover, protected cable routing, and mounting hardware. ENJOE can support standard-style builds and project-based variants with adjusted cable length, connector matching, mounting structure, braided-sleeve protection, and packaging requirements.
7-foot extension harness for truck bed 7-way trailer socket routing
Adds in-bed trailer connection while retaining rear socket use
Suitable for 5th-wheel and gooseneck trailer hookup
Protected harness layout with loom or braided-sleeve options
Hardware and socket set style available for standard builds
Key Attributes
| Product Type | Vehicle-side truck bed trailer wiring harness extension |
|---|---|
| Connector Interface | 7-way RV blade socket extension set |
| Harness Length | Approx. 7 ft standard style |
| Bed Socket | Spring-cover truck bed mounting socket |
| Vehicle End | Inline plug-and-socket extension connection |
| Circuits Supported | Tail, stop, turn, reverse, brake, auxiliary power, ground |
| Cable Protection | Main harness with split loom or braided sleeve covering |
| Installation Style | Plug-and-play on matched tow-package applications |
| Package Content | Harness, bed socket, screws, and cable ties |
Custom Options
OEM and project-based changes can be arranged according to your drawing, header layout, and packaging request.
Harness length
Socket housing style
Vehicle-side connector matching
Loom, braided sleeve, or heat-shrink protection
Mounting hardware set
Private labeling and packaging
Common Applications
This cable type is commonly used in the applications below, depending on board layout, interface style, and installation space.
RVs & Specialty Vehicles
Pickup Truck Bed Trailer Socket Extension
5th Wheel Trailer Electrical Connection
Gooseneck Trailer In Bed Hookup
RV Blade Socket Relocation Projects
Tow Package Harness Upgrade And Service Replacement
Quality Inspection
Each harness can be checked before shipment according to project requirements.
Pinout and continuity check
Checked according to project requirements before shipment.
Socket contact fit inspection
Checked according to project requirements before shipment.
Cover opening and closing check
Checked according to project requirements before shipment.
Harness appearance, loom routing, and sleeve coverage inspection
Checked according to project requirements before shipment.
Final hardware count verification
Checked according to project requirements before shipment.
What We Need for Quotation
To review your project faster, please send the sourcing and technical details below.
- Drawing or sample photo
- Cable length and pin count
- Connector type or header layout
- Pinout or wiring sequence
- Application and installation position
- Working voltage / current if available
- Estimated order quantity
- Labeling, packing, or sampling requirements
Free Sample for Qualified B2B Projects
For real B2B projects with clear requirements, ENJOE can prepare one custom sample for evaluation. The customer covers the international shipping cost.
View Sample ProgramFrequently Asked Questions
What is this 56070-style trailer wiring harness used for?
It is used to add a 7-way trailer socket inside the pickup truck bed, making 5th-wheel and gooseneck trailer hookup easier while keeping the rear trailer socket available.
Does this harness support the common 7-way trailer circuits?
Yes. This standard-style extension is intended for the usual 7-way trailer functions, including tail, stop, turn, reverse, brake, auxiliary power, and ground circuits.
Is this a universal harness for every truck?
No. This type of product is usually matched to specific vehicle-side towing harness layouts. For OEM or replacement projects, we recommend confirming connector shape, pin arrangement, and installation position before production.
Can you make a similar harness with different cable length or socket structure?
Yes. ENJOE can adjust harness length, socket bracket structure, connector matching, protection sleeve, and packaging for project-based or private-label requirements.
What information should I send for quotation?
Please send connector photos, target harness length, socket mounting style, application vehicle range, quantity, and any drawing or sample reference you have.
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Need a 7-Way Truck Bed Extension Harness?
Send your target socket style, harness length, vehicle-side connector photos, and quantity. We can review a standard-style build or a fitment-based production version for your project.