no 3 sensors one on the left wheel and one on the right and one on the prop shaft what is on 1 to 1 ratio
if i have to use a different sensor so we now what it is that is fine
maybe somthing like this;
this is the trigger wheel
or i can use somthing like this to
http://www.millersmule.com/MillersMuleStore/45-177-thickbox_default/trigger-wheel-mounting.jpg