. We are glad to have you join us here and we look forward to reading of your adventures and experiences. I am sure you will enjoy the website and forums. You can set up a signature with your coach information, so when you have a question this info is automatically posted. Good luck, stay safe and keep us posted.
What chassis is the coach on? Have you pulled the main grounds off the frame, cleaned them up and reconnected? Look at pin connections in ECM connectors. We may want to move this discussion to the chassis manufacturer forum for more exposure and better help.
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