This is what the probe pressed in to release the cylinder. When…

This is what the probe pressed in to release the cylinder. When the key is rotated, the pin will be forced back out. The key must be in RUN and the pin pushed in before the cylinder can be re-installed. Some later cylinders have a rounded spring-loaded pin that won't stay in, but the key still has to be in RUN.

Owner caption January 2006 · Photo 674 of 980