Custom Fit Vehicle Wiring - Optronics

Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing trailers with hydraulic brakes. Coiled cord stretches and contracts for extra flexibility. Threaded bracket ensures a secure connection.

Replacement socket fits RoadMaster 6-wire straight and Flexo-Coil electrical cords and includes a lid to keep the socket covered when it is not in use.

5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer brakes to disengage when in reverse.

4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

Replaces a 7-way round plug.

5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer brakes to disengage when in reverse.

Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pin Delphi connection and a 2-pin camera connection for towing trailers with a backup camera. Coiled cord for extra flexibility. Threaded bracket for a secure connection.

Wire once, tow clean. This 35' flat 5-way wishbone harness includes a 30" ground and a 5' blue lead for brakes or reverse lights. 20 AWG conductors support 12-24V systems for reliable trailer lighting.

This wiring harness provides a simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector. The wishbone-style harness has an extra tail light wire that makes it easier to wire your trailer.

Create your own cord or replace the damaged ends on your RoadMaster 4-wire straight and Flexo-Coil electrical cords with these 4-pole, male and female connectors.

This adapter plugs into your 7-way round socket on one end and connects to a 6-way round harness on the other.

Create your own cord or replace the damaged ends on your RoadMaster 6-wire straight and Flexo-Coil electrical cords with these 6-pole, male and female connectors.

4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

This adapter plugs into your 7-way round socket on one end and connects to a 4-way flat harness on the other.

Create your own cord or replace the damaged ends on your RoadMaster 4-wire straight and Flexo-Coil electrical cords with this 4-pole, male connector.

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

This adapter plugs into your 6-way round socket on one end and connects to a 4-way flat harness on the other.

Install a socket for your 7-wire plug. The spring-loaded lid keeps dirt and moisture out when you're not using it.