Trailer Plugs and Adapters

7 Round Pin female plug for 7 wire trailer cord. Typically used on semi truck/trailer installations

7 Pin male plug-in for 7 wire trailer cord.

Allows one person to test both male and female 7-round pin tractor-trailer plugs and more. In addition, the tester allows you to jump current to a dead circuit during emergencies so you can still drive your rig. Includes an extra jumper connector. It allows the jumping of current to a dead circuit for emergency situations so you can still drive the rig.

Heavy-Duty Nickel-Plated Zinc Die Cast Housing, ISO Plug with Spring Guard.

Used to provide power to heavy draw auxiliary trailer equipment

Heavy-duty zinc die cast housings

Power and ground terminals hold up to 1/0 gauge wire

Going camping for the weekend? Make sure your truck s lighting system is up to the challenge with this replacement 7-wire female RV plug. This screw-type socket is primarily used in RV applications and includes seven flat blades. The plug is constructed of molded PVC for impact resistance.