Unsolder two yellow wires.

Remove one #00 4.0 mm screw.

Remove one #00 2.2 mm screw.

Remove one #00 2.5 mm screw.

Remove high speed cam.

Installation Note: Set dial to 'Auto' before installing. After install, unlock the viewfinder indicator and check that it is showing the correct speeds in the viewfinder as the dial is turned.