Four Wire Harness Adapter

Miady 25ft trailer wiring harness with 4 flat connector 18 awg color coded wires trailer light wiring harness extension with 4ft white ground wire 4 4 out of 5 stars 80 13 99 13. Allowing the tow vehicle to control the trailer s lighting system. A real time saver.

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Locate a suitable location for the harness clamp for the four wire trailer light connector and harness underneath the back bumper area.

Four wire harness adapter. To abide with state laws trailers must be equipped with the proper brake and tail lights and the trailer connector wiring adapter allows you to connect your vehicle s electrical network. New wiring harness to replace the one that was damaged heat shrink insulation tubing solder tools required. Soldering iron wire cutters wire strippers heat source such as a blow torch lighter or. Install a 4 way flat on your vehicle with this splice in harness kit includes the necessary wiring to connect the module to your car battery for power.

To ensure your trailer has safe visible and legal lighting a trailer connector wiring adapter may be a necessary towing accessory. By reducing a 5 wire to a 4 wire you eliminate the connection for the trailer s brakes. Smt construction ensures superior performance. This 4 wire harness is easy to install and includes a separate brown wire for each right and left light.

Where to splice into your vehicle s tail light wiring you will need to consult the included instructions use the quick splice connectors to attach the input wires of the tail light converter. In this video we go over how easy and fast it is to convert a 4 flat harness to a 7 way harness using u haul part 47185. Most harnesses only have one wire and require a splice to connect to the second light at 25 feet it is plenty long for almost any trailer. If your trailer is significantly heavy and is at the upper limits of the towing capacity of the vehicle.

This conversion will work for the taillight functions but trailer brakes. A trailer with a 5 wire harness has connections for marker brake and signal lights as well as an electric braking system. Adapter converts from 4 pole wiring on your vehicle to 7 pole round plug and 4 pole flat wiring for trailer side adds additional wire leads for brakes power and accessory wiring wire. 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.

Drill a 1 8 inch hole in the car frame near this location and attach the wiring harness clamp for the light connector with a sheet metal screw.