check to make sure you do not have a mod conflict. Remove all mods but the trailer and what you are using to haul it.
Viewing post in FS22 Trail King Perimeter Trailers v1.0.0.1 comments
do you have discord? Go to our discord and the Help with CLTST mods so you can post pictures and I can get a better idea of what is happening.
https://discord.gg/spXu49RsN