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MECMO 7 Way Blade to 4 Way Flat Trailer Adapter Coiled Wiring Harness 5ft Male 7 Pin to 4 Pin Trailer Extension Cord Jacketed Cable, Heavy Duty 18AWG Copper 7 to 4 Wire Trailer Connector Plug 60 inch
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 5:16 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
MECMO
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Stretchable Length Up to 5Ft: - Retractable 7-pin to 4-pin trailer adapter wiring cable 5 feet about 60 inches maximum (stretchable to 5ft, comfortable stetch length 3ft-4ft) and bounce back to normal length
✓7 to 4 Way Connector Extension Adapter: - 7 way round to 4 way flat trailer adapter trailer adapter and extension cable all-in-one, eliminates your need for multiple plugs and adapters any popular vehicle wiring system to your trailer; Turns vehicle-side 7 pin blade plug to a standard 4 wire flat trailer connector for towing trailer with 4 prong trailer light plug
✓Coiled Design: - 7 way trailer coiled cable keeps trailer wire off ground; Stretchable 7 prong to 4 prong trailer light plug with 5' coiled cable provides the additional length to reach between the tow vehicle's socket and the trailer towed vehicle's plug
✓Easy installation: - Plug and play Trailer Light Plug instantly switch 7 prong trailer plug to 4-pin flat connector; Simply plugs the RV 7 blade trailer plug into your car end 7-way receptacle and connect the trailer-side 4-wire trailer plug to the other end of the 4 flat coiled cable
✓Built to Last: - MECMO coiled extension cable 7 way to 4 pin trailer plug adapter is made of upgraded high quality PU material, which is flexible, easy to stretch, effortless, quick to rebound and not easily deformed; Pure copper wire and tin-plated terminals for corrosion resistance
✓Easy-grip connectors: - Easy grip handle on both side of the 7-way RV blade and 4-wire flat connector for better plugin and unplug your Trailer Coiled Wire Adapter; Equip with dust cover on the female 4 pin trailer socket, protects terminals from moisture
⚙️ Specifications
Brand
MECMO
Connector Type
7-pin to 4-pin Trailer Connector
Cable Type
Coiled
Compatible Devices
vehicles with a 7-way RV blade socket and trailers with a 4-way flat connector
Special Feature
7 Round Pin to 4 Way Flat Extension Coiled Cable, 7 Round Pin to 4 Way Flat Trailer Extension Wire, 7 Way Round to 4 Way Flat Coiled Trailer Adapter, 7-pin to 4-pin trailer adapter wiring
Other Special Features of the Product
7 Round Pin to 4 Way Flat Extension Coiled Cable, 7 Round Pin to 4 Way Flat Trailer Extension Wire, 7 Way Round to 4 Way Flat Coiled Trailer Adapter, 7-pin to 4-pin trailer adapter wiring
Compatible Phone Models
No Compatible Phone Models
Connector Gender
Male-to-Female
Number of Pins
7
Maximum Current
18 A
Maximum Voltage
12 volts_of_direct_current