Disclaimer: Links on this page pointing
to Amazon, eBay and other sites may include affiliate code. If you click them and
make a purchase, we may earn a small commission.
Looks like the trailer brake connection. It would be mounted next to the OBD port. If you don't have the trailer brake controller module then it doesn't plug into anything.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.