SPX-5 as backup to EV-200

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Dear all,

after reading this thread, I would like to use my old S3G as a 'ready to run' backup to the main autopilot SPX-SOL.

As I have only ST1 network my situation should be simpler.

I'll use a diverter applied to "off switch" contacts of both autopilots to have only one at a time working.

I think it's possible connect the solenoid and clutch cables to the respective contacts of both autopilots, but I don't know if it's possible to have the rudder and fluxgate sensors cables permanently connected to the respective contacts of both autopilots.

So before risking damage, I look forward to knowing the opinion of the guru.

All the best
Maurizio