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Replace your USCAR-equipped vehicle''s OEM trailer connector with this dual-output connector. Features 7-way outlet and 4-pole flat outlet. Plugs into USCAR socket.

These units completely isolate the tow vehicle from trailer malfunctions. Power is taken directly from the battery for isolation and brighter trailer tail lights.

This heavy-duty trailer connector socket has an outlet for 7-way, 5-way and 4-way flat plugs. A weatherproof, insulated lid covers the terminals. The cover is also easy to open and extra-durable.

Quickly and easily replace a damaged 7-way RV-style trailer connector, or add a new one to your vehicle with a factory tow package. This heavy-duty trailer connector socket has an outlet for 7-way and 4-way flat plugs. Easy-open, weatherproof lids.

Install a 4-way trailer connector on your vehicle with this wiring harness with tail light converter. Requires splicing into existing vehicle wiring. Works with domestic and import vehicles. Includes wire taps.

Replace the OEM trailer connector on your Chevy/GMC, Ford, or Nissan with this dual-output connector so you won't need an adapter. Plugs into USCAR socket and mounts with included bracket.

Quickly and easily replace a damaged 7-way and 4-way, or add a new one to your vehicle with a factory tow package. The twist-in socket has heavy-duty weatherproofing and features a cover that opens 180 degrees.

Keep your 4-pole flat trailer connector accessible with this adapter that lets you mount the connector in a 6-way round bracket (sold separately) or in a 1-1/4" diameter hole.

The built-in tester on the 4-way flat in this kit lets you easily troubleshoot. Great for setups with LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. Pulls power directly from your battery.

This 60" harness has a lighting converter built into the 4-way flat plug so you don't have to worry about mounting a separate box. Designed for vehicles that have amber turn signals. Installation hardware sold separately.

Replace a damaged 4-way flat, vehicle-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.

Replace your Ford's or GM's OEM connector with this multi-function, vehicle-end connector. Features 7-way outlet, 4-pole flat outlet and an integrated backup alarm.

If you already have the tools and hardware needed for installation, this no-frills, universal, splice-in, 4-way flat connector will get you towing in no time. Color-coded bonded wires have functions printed on them to make installation easier.

Add a 4-way flat connector to your trailer or vehicle. Comes with a 12" pigtail.

Built-in LEDs on this 4-way flat connector help you troubleshoot problems. The large grip ring provides the leverage you need to easily disconnect it from your trailer connector without damaging the terminals. Includes dust cover.

The large grip ring on this universal, splice-in, 4-way flat connector provides the leverage you need to easily disconnect it from your trailer connector without damaging the terminals. Includes dust cover and 48" bonded wires.

Replace your Dodge's OEM connector with this multi-function, vehicle-end connector. Features 7-way outlet, 4-pole flat outlet and an integrated backup alarm.