Schwinn MPower Echelon2 Console Installation Manual page 11

14. Remove the RPM sensor from the box and disassemble.
Discard the adapter plate (blue) which is not used on this
model bike.
15. Plug the RPM sensor cable 2-pin connector into the RPM
sensor connector
16. Slide the cable grommet into the slot in the RPM sensor
housing.
Caution: Make sure the internal wires are coiled so
that the screws don't cut or compress the wire.
17. Reinstall the RPM sensor cover into the housing
18. Reinstall the M3 x 6mm Phillips Pan Head screw
Adapter Plate
Page 11