emergency start

Bought an 03 320 Sundancer about a month ago. Immediately started having issues with the start up. At first the starboard was slow to Start and we had to use the emergency start once or twice to fire it up. Replaced all the batteries and now intermittently the port side engine will not click...

I couldn't find an electrical drawing to make sense of the bundles of wires under the dash - I had an issue with a loss of power to all of my dash breakers which I resolved. Tracing out wires, I noticed that the dash also powered the ignition switches. A red/purple wire from the engine ran to a...