7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector
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Product Highlights
- 7P 6P Blade Center Aux Trailer Adapter Truck Wire Harness Connector Waterproof Plug for RV Camper Towing
Product Attributes
- Customization
- Available
- Rated Current
- 10A, 30 a
- Application
- Indoor Outdoor
- Model NO.
- WST-WHC03
- IP Rating
- IP66
- Brand
- Winston
- Certification
- CE
- Color
- Gray or Transparency
- Service
- OEM/ODM
- Transport Package
- Export Standard Carton Box or ODM
- Specification
- CE
- Trademark
- Winston/OEM/Neutral
- Origin
- China, Zhejiang, Wenzhou
- Package Size
- 15.00cm * 15.00cm * 5.00cm
- Package Gross Weight
- 0.100kg
- Lead Time
-
20 days (1 - 1000 Pieces)
To be negotiated ( > 1000 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector
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7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector -
7 Way Blade to 6 Way Round 4 Way Flat Trailer Plug Adapter Heavy Duty Electrical Towing Wiring Harness Connector
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Product Description
Product Description & Technical Overview
Dual-Output Multi-Vehicle Compatibility
Engineered for ultimate versatility in towing electrical systems, this multi-functional trailer adapter converts a standard 7-way RV blade vehicle-side socket into both a 6-way round pin and a 4-way flat trailer-side connection. This dual-output capability eliminates the need for multiple single-purpose adapters, allowing seamless towing of utility trailers, boat trailers, livestock haulers, and campers equipped with different wiring configurations.
The integrated 6-way round port features flexible pin arrangement capability (supporting both auxiliary power and electric brake center pin configurations) to match varying trailer wiring standards without requiring permanent rewiring on the primary vehicle.
Heavy-Duty Construction and Signal Integrity
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High-Conductivity Copper Alloy Terminals: Internal terminals and contact pins are fabricated from heavy-gauge copper alloy to ensure low electrical resistance, zero signal drop, and reliable power transfer for high-draw brake circuits, turn signals, and auxiliary lights.
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Corrosion-Resistant Housing: Molded from tough, impact-resistant thermoplastic compound engineered to withstand heavy vibration, high tensile stress, and extreme road temperatures.
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Dual Weatherproof Dust Covers: Equipped with spring-loaded and tight-fitting rubber dust caps over both the 6-way and 4-way output ports to protect internal contact pins from water, mud, road salt, and dirt when not in active use.
Plug-and-Play Installation & Secure Fit
-
Tool-Free Integration: Fits directly into standard 7-blade RV sockets with a firm push-to-lock action; no wire stripping, splicing, or electrical soldering required.
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Ergonomic Finger Grip Wings: Designed with molded side pull tabs for effortless insertion and removal, even when wearing heavy work gloves.
Application Automotive Type Adapter Rated Current 10A, 30 A Gender Male/Female 
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR2531622". Items marked "
" are certified.
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Company Profile
Yueqing Winston Electric Co., Ltd, established in 2010, is a rapid growing enterprise who integrate the production and marketing of Industrial electrical appliance. After seven years' effort and development, now we have become one of the leading electrical manufacturers and suppliers in China. We are always keeping very kind relationship with many strong electrical factories and Insearch institutes in China. We have been enjoying high reputation in electrical market domestically and internationally.
Our factory focus on formulating most kinds of electrical in China. Which include proximity sensor, power supply, motor soft starter, frequency inverter, relay, thermostat, heater, transformer and so on. We are capable of supplying our products in various kinds of packaging according to customers' specific requirements. Now we are producing more than 100 kinds of electrical products which are exported to about 80 countries and regions all over the world. But Winston have never stop going forward, in order to control the cost, and supply competitive price for our customers, in 2012, together with our partners, we build another factory, which producing circuit breaker, distribution box, AC contactor, etc.
Winston have an special professional registration department, who in charge of the domestic registration and oversea registration. We can help our current or potential customers to do registration work. We have a good relation with domestic famous institute who can provide us with authoritative impurity analysis and toxicological report. Quality and Service are always the top concern in Winston. We provide full set of service, including data and samples, which are available on request.
Winston's Mission is: "Focus on the industrial Electrical protection, serve the worldwide Electrical. And our tenet is: "Hold integrity, Forge Ahead, Serve the world". We are always trying our best to offer the best services and the most competitive prices with high quality goods for our customer, It's the way we win our customers and the market.
Given Chance and full space, we would show you all of our advantages and let's grow up together. I am sure we can establish long term and friendly business relationship with your esteemed company because of your trust and our excellent service.
Our advantage:
1. Quality is our culture.
2. We have our own developing and designing team, which ensure our own technological and innoative products for customers.
3. For any customers who have new idea about some products, just let us know, we can according to your idea provide a unique design of the products.
4. For any customers who send us the samples of some products, we will design and develop better ones based on the samples!
5. For every customer, we will choose the best fit material, and also innovative material for their products!
6. We can according to any customers' design to do sample of them!
7. We are manufacturer, factory, so we have the ability of mass production!
8.24*7 service, professional sales group.
Technical Support:
Most of our Winston products adopt Germany advanced technology, and the producing machine are all equipped with advance system, all our workers are experienced and skilled!
Besides, for some products material are all use imported parts.
So the quality and safety are guaranteed!
After sale service:
Our working team and sales teams can guarantee a fast and high efficiency after-sale service for our product sold to everywhere of the global.
Winston has a complete supply system for the parts, which can guarantee the company's demand of product accessories. We have stocked the common parts in the major cooperation point world widely, which can shorten the supply time largely. So if have any question, just contact us any time at your convenience!
Transportation service:
We can guarantee the fast and safe delivery to the customers' hand.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- 3rd Floor,Liufeng Building Liushi Town, Wenzhou, Zhejiang, China
-
Plant Area
- 300 square meters
-
Number of Employees
- 20
-
Registered Capital
- 100,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 10 Pieces
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Proximity Sensor, Thermostat and Heater, Switching Power Supply, Motor Soft Starter, Frequency Inverter, Transformer, Relay, Circuit Breaker, Photoelectric Sensor, AC Contactor
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Customization Options
- Customization from Designs, Customization from Samples
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-05-05
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Export Year
- 14 years
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Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa
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Repeat Buyers Choice
- 50%~80%
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Annual Export Revenue
- 2,000,000 USD
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Number of Foreign Trading Staff
- 9
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the difference between the 6-way round center pin auxiliary and brake settings on this adapter?
- Different trailer manufacturers wire 6-way round plugs with either the center pin dedicated to 12V auxiliary power or electric brakes. This adapter is built to accommodate standard 6-way configurations, ensuring proper signal routing for both lighting functions and brake power depending on your trailer's pinout layout.
- Does this adapter require permanent modification or wiring on my towing vehicle?
- No. The unit features a completely plug-and-play design. It plugs directly into your vehicle's existing 7-way RV blade socket, providing instant conversion to 6-way round and 4-way flat connectors without cutting, splicing, or tapping into your vehicle's factory wire harness.
- Can both the 6-way round and 4-way flat outputs be used at the same time?
- While both ports are active and connected to the same input signals from the 7-way vehicle plug, it is recommended to connect only one trailer at a time to avoid overloading your vehicle's lighting circuits and blowing electrical fuses.
- How does the adapter protect internal electrical contacts from rust and road debris?
- Each output port is fitted with a dedicated weatherproof rubber dust cover. When closed, these caps create a tight seal against rain, road spray, dirt, and road salt, preserving the conductivity of the brass pin connections and preventing corrosion during outdoor exposure.
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