When the engine is in gear (FWD or REV), the force of the engine clamps the gears together so tight that you cant shift out of gear once you are in gear. They designed the shift interrupt switch to cure this issue. It only works in the water as the prop back feeds force to the gears and finally the switch.

Common issues:

-Stalls when shifting into gear (a cold engine will do this as well, make sure engine is warm and idle around 750).
=Cause 1: Lower shift cable over actuating the switch stalling engine for too long ?Solution: Replace lower shift cable and bellows.
=Cause 2: VEE Spring is too tight delaying interruption for too long. ?Solution: Bend wire arms inwards a little so that the interruption triggers earlier. (confirm switch is in fact working as in the video)

-Very hard to change gears:
=Cause 1: switch ARM is worn and not connecting or passing through the connection, you can bend the arm roller a little TOWARD the VEE notch so that contact is made about halfway up the ramp.

=Cause 2: Large Wire spring is too tight making you fight the gears / Solution: bend the wire spring INWARDS so that the switch is easier to move. Too tight a spring delays the interrupting as will a bent arm (above)..

Timestamp:
00:00 - Old (gnd) vs New (12v+)
00:27 - Wiring layout
00:57 - Test switch
1:26 - Bend arm if no signal coming thru

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