Get a couple of reply's and with the SMT you should have eurosound for the backup beeper to work with the SMX it should'nt be a problem.
Here are the wiring diagram for S20, SMT and BMA.
http://www.servonaut.de/shop/media/p...1295631318.pdf
The only thing i didn't conect is the kable between BMA and SMX
Sorry no more videos on the plow, the one on YT is just the first test it's completely disassembled now

We do have the snow, sadly there is some problems with the new drive

I'm gonna use some kind of rubber over the gap, time will tell what works