"Blue Module" Failure
David, sounds like the best option if you have a issue with the blue module is to bypass it like Rodger did. Wonder why Foretravel didn't just do that in the first place. Sometimes I...
Gotta find this blue box first.. its illusive !!
Pic of one (not in-situ, unfortunately) in this thread. air gauge on 2003 U320
Is it possible the PO had the module fail before you bought the coach and a different scheme was implemented? Any records on the coach service?