Key Start to Pushbutton ignition switch panel on 1971 Merc 800

cwoolfolk52

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I am looking for any advice on hooking up a pushbutton ignition switch panel that I have for a 1971 Merc 800. I'm not sure what the 3rd terminal is on the actual pushbutton. To a relay maybe? Do I leave it disconnected? There is continuity only between the 2 terminals I have colored black but everything else is open. A little help or a push in the right direction would be greatly appreciated so I can get out on the water with my son. I also attached the wiring diagram for the old ignition.
 

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cwoolfolk52

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Joined
Apr 19, 2014
Messages
11
Re: Key Start to Pushbutton ignition switch panel on 1971 Merc 800

Should I connect A-F-B to the button and A-F to the ignition run toggle switch with D-E? Can I incorporate the choke into the accessory toggle switch or does that have to be D-E for engine stop?
 
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