Fell Marine WiMEA User Manual page 26

Testing the kill switch principle
(Open to stop / Close to stop)
Testing with multimeter
You can test the kill switch principle by connecting a multimeter to
both cables from the existing mechanical kill switch. Make sure the
multimeter is set to measure resistance and that the cord is not
attached to the mechanical kill switch.
Infinite resistance measured:
You have a Open to stop (OS) Kill Switch – Use Blue wire and Grey
wire on the Boat Unit to connect to the two existing kill switch
wires from your engine. See wiring diagram for Open to stop on
page 28.
Close to 0 (zero) resistance:
You have a Close to stop (CS) Kill Switch – Use Orange wire and
Grey wire on the Boat Unit to connect to the two existing kill switch
wires in your boat. See wiring diagram for Close to stop on page
28.
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