Stephen O Lagrange , IL August 28, 2015 Timing unit no longer responsive Replaced unit. somehow I was not prepared for the number of wires connected to this part. The wires on my old unit were not labeled but it was easy enough to move one wire at a time from the old to the new unit. I am not a real handy guy, but this was easy and doing the work myself probably saved me $100. The repair videos online were super easy to follow. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes