Jammy J-5087-WHS 7-Way Trailer Wiring Harness – RV Blade Connector

The Jammy J-5087-WHS 7-Way Trailer Wiring Harness is a heavy-duty, pre-wired solution designed for reliable electrical connections between your tow vehicle and trailer. Featuring a standard 7-way RV blade connector, this harness is compatible with most trailer wiring systems on the market.

Built with durable materials and color-coded wiring, it ensures dependable performance for brake lights, turn signals, electric brakes, auxiliary power, and ground.

🔧 Key Features

• ✔ Standard 7-way RV blade connector (industry standard)
• ✔ Pre-wired harness for quick installation
• ✔ Color-coded wires for easy hookup
• ✔ Supports brakes, lights, and auxiliary power
• ✔ Weather-resistant outer jacket
• ✔ Compatible with most trailer wiring systems

🔁 Common Interchange / Cross Reference

This harness is designed to replace or work with standard 7-way trailer wiring harnesses from major brands, including:

• ✔ Pollak 7-way RV blade connectors
• ✔ Hopkins 7-way trailer wiring harnesses
• ✔ Bargman 7-way connectors (including #50-77 series)
• ✔ Optronics 7-way wiring setups
• ✔ Buyers Products 7-way trailer plugs

Also interchangeable with:

• ✔ Standard SAE J2863 7-way RV blade wiring configuration
• ✔ Most OEM and aftermarket trailer wiring systems

📐 Specifications

🚛 Applications & Fitment

• Cargo trailers
• Utility trailers
• Equipment trailers
• Dump trailers
• RV and camper trailers

⚠️ Fitment Notes

• Fits standard 7-way RV blade trailer connectors
• Universal compatibility across most trailer brands
• Verify wiring before installation

⭐ Why This Harness Matters

• ✔ Ensures safe trailer lighting and braking
• ✔ Reduces installation time
• ✔ Works with multiple brands and systems
• ✔ Built for durability and long-term use

📦 What's Included

💡 Pro Tips

Using a junction box with this harness makes troubleshooting easier and protects your wiring from corrosion and damage.

🔧 Frequently Bought Together

• 7-way junction box
• Heat shrink connectors
• Breakaway kits
• Wire loom and electrical tape

⭐ Why Buy From AAA Trailer

• Fast shipping
• Accurate fitment info
• Responsive support
• Quality trailer parts

🔧 Trailer Parts Experts
We specialize in trailer wiring and electrical systems.

📞 Call/Text: 517-225-1991 🌐 AAATrailer.com

What sets us apart is our dedicated team of knowledgeable professionals who are always ready to assist. Great customer service isn't just a promise—it's the foundation of our success. We invite you to visit our showroom or reach out for personalized advice. Whether you're purchasing online or stopping by, we're here to make your trailer journey seamless. Visit Us Today

• Address: 4675 East Grand River Ave, Howell, MI 48843
• Phone: (517) 225-1991 (Call or text)
• Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment

Thank you for considering AAA Trailer. We're excited to help you hit the road with confidence! If you have any questions, don't hesitate to contact us.

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 We will be happy to assist you with eligible returns, the return instructions, and the shipping address. If you need a return or exchange, send us an email so we can discuss a replacement.