I am new to this forum and having similar problems with my overdrive with a few differences. My OD off light does not come on when you hit the button, but the wipers work fine. I was told they were on the same fuse. All my fuses are good. Also, this may sound stupid, but if it's the temp sensor, how do you bypass it? Can you just unplug it? How do I check contiuity on the relay? Or do i check the connection to the relay? Where is the altitude sensor and how do you bypass that? Sorry for all the questions and not knowing anything. I have only owned the rv for 2 days. It's a 1985 dutchmen mrv 22re Auto.
Thanks,
Aaron