spades on it from B and C for push on PIDG connectors. The B&C unit
comes with a 5/16" brass bolt for mounting it and the negative battery
cable to the firewall. Steinair sells the male spades if you want to
make your own. I rivetted and soldered them to a brass plate.
In general one does not want to join two wires and then run one common
wire to ground as then small voltage drops caused by one system may be
sensed by the second system and cause noise etc. You want to run each
ground wire all the way back to the common ground point be it on the
firewall or the instrument panel.
Ken
Ralph Baker wrote:
The best way to do that is to bring them all to a single ground bus.The intent is to bring all the equipment grounds to a single point.
That ground bus is then grounded. Using that method eliminates ground
loops and allows easy isolation of the "grounds" for testing by simply
disconnecting the ground bus. Don't forget to ground the engine by a
jumper around the rubber mounts. A brass "all thread" bolt through the
firewall allows high capacity battery negative grounding as well as a
connect for the single point ground bus on the inside of the firewall.
(That assumes battery on the engine side of the firewall)
Ralph Baker
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