Shift Button Configuration Warning
Shift Button Configuration For riders and racers with air shifters...
Some "electric over air conversion" and possibly some other electrically assisted
air shifter systems, employ a negative or Ground return from the shift button to the
solenoid valve to signal the shift. In this wiring arrangement there is a hot wire that
is run straight to one side of the solenoid valve. One side of the shift button is
connected to ground and the other side of the shift button is connected to the
negative side of the solenoid valve to actuate the shift when the button is pushed.
This is a potentially dangerous configuration...
Should the wire running from the shift button to the solenoid valve become cut,
nicked, burned or otherwise chafed and then become grounded the solenoid
valve will actuate the air shifter. This could happen at ANY time.
Avoid the danger...
It is often suggested that the existing horn button be used as the shift button. This
is not a problem IF the button is fed by a hot wire, switched and fused of course,
and it sends a hot signal to the solenoid valve to actuate the air shifter. The other
side of the solenoid valve should then be connected to a good ground.
Fail safe...
If the signal wire to the solenoid valve were to become grounded the fuse would
blow when the button was pushed avoiding any danger.
Ride Safe...Race Safe
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