Filter by Style of Wiring
$3.20 - $22.79
$3.88 - $55.95
Adapter 4-Pole to 7-Pole and 4-Pole
Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory.
Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.
35 ft. Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire
Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way
Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.
Adapter 7 Pole to 4 Pole with Tester and Cover
Pollak 7 Pole to 4 Way Connector Adapter
Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.
Curt Universal Installation Kit for Trailer Brake Controller - 7-Way RV - 10 Gauge
This universal wiring kit lets you install an electric brake controller (sold separately) in your vehicle and a 7-way connector for your trailer lights at the same time. Plugs into the existing 4-way on your vehicle.
Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-way flat or 5-way flat connector on the trailer.
20 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire
20' Split wishbone 4-way trailer wiring harness with 30" ground wire.
Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-wire flat connector on the trailer.
Hopkins Heavy-Duty Trailer Coiled Wire Adapter 7-Way to 5-Way Flat with Nite-Glow
This heavy-duty, coiled cable adapter is compatible with 7 RV blade to 5-wire flat connectors. Trailer connectors on adapter light-up to aid with the hook-up.
Trailer End Connector - 4-Flat - Coiled
Wesbar 4-Pole Flat Connector w/ Jacketed Cable - Trailer End - 14' Long
This 4-wire flat, trailer-end connector includes an 14' long, jacketed cable with stripped, color-coded, 14-gauge wires for easy installation.
MaxxTow Trailer Connector Adapter - 7-Way RV to 4-Way Flat - 36" Cord
This adapter lets you span 3' to connect your 7-way, RV-style, vehicle-end connector to the 4-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground. Molded construction is durable and corrosion resistant.
Wesbar 4-Pole Flat Connector w/ Jacketed Cable - Trailer End - 8' Long
This 4-wire flat, trailer-end connector includes an 8' long, jacketed cable with stripped, color-coded, 14-gauge wires for easy installation.
Hopkins Endurance Quick-Fix Replacement 4-Way Flat Trailer Connector w LED Test Lights - Trailer End
Replace a damaged 4-way flat, trailer-end connector in just seconds with this Quick-Fix plug. Simply remove the damaged plug, insert your wires into the new plug, and press closed to secure the wires. Built-in LEDs confirm proper connection.
Trailer Connector Adapter for Land Rover - 7-Way, Round Pin, European Style to 4-Way Flat
Plug this adapter into the 7-way, round-pin, European-style trailer connector on your Land Rover to get a 4-pole, flat connector to fit your towing needs.
Hopkins Endurance 4-Way Flat Trailer Wiring Harness - 20' Long
Wishbone-style Y-harness features a 4-pole flat connector with a convenient, simple-to-use, easy-pull grip for effortless disconnect. Rust-resistant terminals are further protected by a molded dust cover, and all wires are color coded.
Adapter 4 Pole to 6 Pole and 4 Pole Trailer Wiring Adapter
4-Way Wishbone Trailer Wiring Harness with 42" Ground Wire - 40' Long
Adapter 7-Pole to 4-Pole and 5-Pole
Wesbar 4-Way Flat Trailer Wiring Harness - 20' Long
Wishbone-style harness features a 4-pole flat trailer-end connector. Ground wire is 3' long.
Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 4' Long
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting. Meets SAE standards.
48" Long 4-Pole Loop with Cover
Contact and Help
What our customers are saying:
This site is top notch: Great prices, great service. Highly recommended.