What to do with a 6-Pin Rectangular Trailer Plug on a Trike

Published 10/03/2025

Products Featured in This Question

6-Pole Square Trailer Wiring Connector Kit (Car and Trailer Ends)

(197)

$5.34

Adapter 4-Pole to 7-Pole and 4-Pole

(659)

$61.55

Question:

I have connector on trike and it’s rectangle with 4 pins on top one is ground - last pin top right and 2 pins on the bottom , but on right side . What is the connector type ? Thanks Steve

asked by: Steve

Expert Reply:

Hey Steve!

You've got a plug similar to the 6-Pole Square Trailer Wiring Connector Kit # 37995. If you have a specific trailer you're wanting to tow only with the Trike then this will work (just match the functions of the wiring per pins), but if you're wanting the trailer to be towable by the trike or a vehicle, I recommend swapping out the wiring on your trike to a standard 7-Way.

The Hopkins Adapter # 37185 will give you both standard 4-Way and 7-Way plugs for your trike and is the best way to go to keep your trailer towable by the vast majority of vehicles on the road, so I recommend going that route.

What kind of plug do you have on your trailer?

expert reply by: Jon G

Steve

10/3/2025

Thanks for getting back to me but square doesn’t work , CSC I guess has thereown connector and it’s rectangle with wikrh 4 pins on top and 2 on bottom . I was trying to to find connector to plug in and then convert to 4 without cutting wires on bike trailer connector

Jon G.

10/3/2025

@Steve Ah, I see now. I misinterpreted what the plug looked like - my bad! We unfortunately don't have a plug like that so my only option would be for something like the Hopkins I referenced above. You might try checking with the CSC directly to see if they have any kind of adapter, or what they suggest to get around their unique version for a trailer plug.