wrote on 2/5/2017 5:16 AM:
There is a plate with 3 post that everything is grounded to. That is what I am calling a negative buss.

Sounds like you have a proper single point ground.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to
email me)
- "A Guide to Self-Launching Sailplane Operation"

https://sites.google.com/site/motorg...ad-the-guide-1
- "Transponders in Sailplanes - Dec 2014a" also ADS-B, PCAS, Flarm

http://soaringsafety.org/prevention/...anes-2014A.pdf