[David]

A multiplex usually provides some insight through the message center.

But if there is no information provided there determine which module deals with those functions and swap with any other module except the master. If the problem goes away the issue is related to the module. When a module is relocated the system recognizes it is at a different “address” and teaches it how it is to work in the new location so there is no harm in moving them around.

If the problem remains the cause is elsewhere like a connection, relay, etc.

If the problem is fixed the issue was in the module so make sure the original module in the new location performs all functions required in the new position.

Use the Prevost web site for electric diagrams, and all information needed to get to the root cause of the problem.

[Harry]

Thanks Jon, I traced the affected module and wires, it seems that just wiggling the wire had both functions return working when I started the coach, must have been a loose connection! I had prepared a diagram of all the modules and labeled the module #, So it makes it easier to locate.

[Bernie]

More likely corrosion than loose connection. if you can, get some electrical contact cleaner into each connection point to prevent the issue from coming back.

Jerry