Caution for SMB Trailer owners
I've used my SMB trailer for over 10 years with my SMB. I got a new van and had to install a 7 pin connector for the electrics. I carefully checked the lights to ensure I wired the connector properly.
Discovered the Tail lights and Brake lights were reversed! Can't be reversed at the plug or the connector because the brake lights are 2 wires (right turn/left turn) while the tail lights are one wire. I had always checked the lights when I hooked up, and lights came on with the brakes, turn signals and headlights. This time I was more careful checking my work (I guess I thought the SMB work would be right) and discovered the tail lights are BRIGHT and the brake lights are dim. So, with the lights on the brakes and turn signals don't show on the trailer. Lights off I had dim brake/turn lights.
Both my light assemblies had the tail and brake light wires reversed. Cut and splice and all is well.
I doubt mine was the only trailer miswired like that.
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper