How to Make 7-way to 6-Way Adapter for Semi Truck to Gooseneck

Updated 03/07/2016 | Published 03/05/2016

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Roadmaster Brite-Lite 3-to-2 Tail Light Converter for Towed Vehicles

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Question:

I need an adapter to plug in a semi electric plug into a gooseneck electric plug with electric brakes, I can send pictures.

asked by: Joe

Expert Reply:

Your semi-truck is going to have separate turn signals from the stop lights and your gooseneck trailer is going to have combined turn signals and stop lights. This means you would have to build an adapter that has a signal light converter so that your trailer can be towed with your truck.

You would need to start with a 7-way male connector part # PK11893 to plug into your semi truck. For wiring you would then want the part # DW04914-1 sold by the foot. Then for the signal converter you would need part # RM-732, and finally part # PK11720 for a 7-way round connector for your trailer to plug into.

I wish we had an adapter like what you are looking for pre-made, but at this time the only option is to wire up one.

expert reply by: Jameson C