Quote Originally Posted by RedRocket View Post
Well as it's a DC power sys. source,"Impedance" isn't the issue & checking for that won't tell you much.In your situation,actual "resistance" is the cause from poor bonding between the common ground connections is.
The radio mute wire an be used with a relay if needed. I have been getting too busy that I really cant keep up with every thread and I have missed viewing several threads. If someone has a particular issue please PM me and I will help.