You can certainly add a 7 way trailer connector to your trailer with 6 wires. Yellow left turn lightsbrakes.

Wiring And Electrical Repair Clear Lake Ia Trailer Wiring
6 wire trailer plug colors. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Tail lamps running lights side markers. Trailer wire color codes colors coordinate with trailer wiring diagram. Ground for all trailer electrical functions. Tail running side marker lights. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring.
White ground wire. 6 way system rectangle plug. Lets see what types of connectors the trailer light wiring industry uses today. Trailer wiring color code explanation. Use on a small motorcycle trailer snowmobile trailer or utility trailer. Green right turn lightsbrakes.
Connector style pin function color description. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. And improperly connected wiring can cause damage to electric components. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. Brown tail lightsrunning lights. You would simply have 1 pin on the 7 way connector that did not function.
Mounting your trailer wiring harness. Trailer electrical connectors come in a variety of shapes and sizes. Power for all normally on lamps. The red and blue wire can be used for brake control or auxiliary. I recommend adding a 7 way molded trailer wire connector like part h20046 and a junction box like part 38656. 6 way plug wiring diagr am standard wiring post purpose wire color tm park lights brown gd ground black or white s trailer brakes blue lt left turnbrake light yellow rt right turnbrake light green a accessory red the most common variances on this diagram will be the bluebrake redacc wires will be inverted.
If there is no. Often the 4 pole trailer connector will remain in the trunk or cargo area of a car or suv when not in use. Because wire colors can vary they are not as reliable for determining functions. Trailers longer than 15 feet and heavier than 1500 lbs must have a brake system that means another circuit for hydraulic brakes. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector.