This trailer wiring junction box provides a fast, easy way to connect your trailer's wiring to either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.

Mounting bracket for 4-way flat connectors secures your trailer wiring up and out of the way. Includes required mounting hardware.

This bracket provides a sturdy place to attach your electrical connector mounting bracket (sold separately). Designed for use with 4-way, 5-way, and 6-way connector brackets. Included hose clamp secures bracket to your trailer hitch.

Protect your electrical connections with this specialized formula that combats corrosion from water damage. Electrical Contact Grease comes in a 2 oz. tube.

This universal, right-angle bracket is designed for mounting the Pollak 7- and 9-pole trailer connectors to your towing vehicle. Black, zinc-plated bracket mounts under rear bumper of truck or SUV. Mounting hardware included.

Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.

Mounting bracket for 7-way standard connectors. Includes screws and nuts.

Circuit tester plugs into your 4-way flat trailer wiring harness and identifies lighting problems. Labeled LED lights illuminate to show which functions are working properly.

This Spectro trailer wiring junction box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.

Bracket for 4-way flat trailer connector mounts to your trailer hitch or vehicle bumper and provides a sturdy, fixed location to easily connect your trailer wiring.

Plastic mount bracket for 4-pole trailer connector zip ties around your trailer hitch or mounts to vehicle bumper. Provides a sturdy, fixed location to easily connect your trailer wiring.

A circuit tester that plugs into the 7-way trailer connector on the vehicle and emulates a trailer. The lights let you know what functions (brake, turn, tail, stop, reverse and 12V) are working properly and what functions are not.

This tester helps you to quickly identify problems in your trailer wiring. It tests the left turn, right turn, tail/marker, brake and backup circuits to indicate the level of current in each circuit. It also tests the voltage of the trailer battery.

This junction box provides a quick and easy way for you to connect the trailer plug to the trailer wiring. The box also makes your trailer connector simple to replace.

Durable polypropylene box creates a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.

Replaces the mounting bracket for your Hopkins 7- and 4- pole trailer connector socket (HM40975 or HM40975-11998).

Use this tester to check the connection between your tow vehicle's 7-pole, blade-style connector and your brake controller. Tester emulates trailer to confirm connectivity. LED lights illuminate to show each function is working.

This blue butt connector joins two lengths of 16-14 gauge wire. Insulated with heat-shrinkable nylon for adjustability and durability.

Safeguard your trailer wire connectors against moisture, dust, and corrosion with this plug protector. Secures to trailer to protect harness from impact and abrasion. Fits 7-way round connections. Hardware not included.

Circuit Tester Kit

This blue butt connector joins two lengths of 16-14 gauge wire. Insulated with heat-shrinkable nylon for adjustability and durability.

This Brophy electrical tester works for both 4- and 5- way flat trailer wiring harnesses.

Attach your trailer connector mounting bracket to your vehicle. Simply bolt this sturdy steel bracket to your trailer hitch, bumper, or vehicle's frame. Use with a no-drill mount (18136 or 18140) for an even easier installation.