Well, replaced the broken timer with a rebuilt one purchased on eBay and everything is working great! Shout out to qsd-dan for the help. Much appreciated.
Isn’t filling with water. I replaced the fill valve first but that didn’t fix the issue. The only dishwasher repair guy I could get to come out then said the timer was the issue. Hope he’s right.
Part #4162399. Cost is no issue. If a timer from a different model will work, please let me know! Our Kitchenaide Hobart Superba KDS-18 has been in our home for over 40 years and ran perfectly until now. This is hands-down the best residential dishwasher ever made. Thanks in advance for your help.