1. Shut off power at the electrical panel.
2. Removed the upper rear console panel to expose the timer, (6 serrated hex screws)
3. Pulled off the control knob and removed the old timer (2 un-serrated hex screws)
4. Unplugged the wire harness from the old timer (5 connectors)
5. Plugged the wire harness into the new timer (5 connectors)
6. Installed the new timer back into the console (2 un-serrated hex screws) and replaced the control knob.
7. Installed the upper rear console panel (6 serrated hex screws)
8. Restored power at the electrical panel.
DONE.