11-06-2022, 05:19 PM
I’m with Dean, check the coil voltage. I’m betting it is 12VDC. On 567, it is activated when the on board radio is turned on feeding the speaker system with radio audio, when off, the speakers are fed from an auxiliary input such as the surround sound or TV or ……
Gordon Jones
1989-42~no slide-#188
2000-45'-2slide-#567
1999-45’-no slide Prevost XLV Marathon