Heating element doesn't shut down

This dryer works well in all functions except - the heating element does not turn off in the ‘cool down’ section of the timer. It stays on full until the complete cycle is finished and the dryer shuts off.

Here are your parts
http://www.appliancepartspros.com/partsearch/modelsearch.aspx?model=LER3624EQ0

Here is the wiring diagram for your unit, see the attachment

Just did one with the same problem just a different unit, see the following.
http://forum.appliancepartspros.com/dryer-repair/166188-mike-s.html

In your case the timer contacts would be timer switch 2.