Master Toggle Switches

by Perry Delano in 912 / 914 Technical Questions 4 years ago

Hi all,

Two wires come from the ignition modules A and B. I am routing each wire to a pole on a separate toggle switch dedicated to each wire. Does the wire on the other pole go to ground or power. Are the mags hot when the switch is opened or closed. Geese I wish I understood "German". I look at the installation manual electrical schematic and I am not sure if the schematic shows a running engine or a resting engine.

Perry

Re: Master Toggle Switches

by Kevin Machniak » 4 years ago

Kevin Machniak

6 167 40

The ignition modules are hot when the switch is open or "OFF", until you ground them using the switches. So the switch will be closed or "ON" to ground the modules, which will shut the engine off.

Thank you said by: RotaxOwner Admin

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Re: Master Toggle Switches

by Perry Delano » 4 years ago

Perry Delano

4 7 22

Thanks Kevin,

Very clear explanation. I greatly appreciate it. Having not dealt with airplane mags, the concept that the mags are hot when the switch connection is open is a hard concept to grasp. I will have to rotate the toggle switches so up is open/hot.

Thanks again.

Perry

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Master Toggle Switches

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