What kind of switches? Intellitec battery disconnect? If battery disconnect, verify that solenoids are opening. If so it will be a control issue or possible short in the wiring in between switches and solenoids.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7