I’ve been watching a few videos on YouTube recently and after coupling the trailer they will do a check, apply the numberplate etc. One thing I’ve noticed a few times is a little computer like thing underneath the trailer towards the back. It’s hidden by a cover and it has I think three buttons. It lit up when a button was pressed but I have no idea what it is.
Any ideas?
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It’s the trailer ecu recording faults etc
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stuwozere1:
It’s the trailer ecu recording faults etc
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That was all I needed to know. Thank you.
It’s the electronic control box for the air suspension, allows you to raise and lower the trailer on its air bags. Most trailers juts have the normal lever for adjusting the air bags.