Here's a lessons learned. I was ready to purchased an electronic PC board for three year old Kenmore Dishwasher 665 series. It similar to many KitchenAid, Whirlpool, etc. units as well. I ran into the "classic" blinking light that you've undoubtedly read about on DIY help sites. I read some comments upon further reading that it appeared that the touch pad or connector could explain the same behavior. I pulled the PC board looked it over, the connectors, etc. and everything looked pristine. Replaced the unit and reassembled it and found that the blinking lights had changed and I could even get the pump running in some crazy way. I then assumed that it could very well be the connectors. With this low voltage stuff .. it doesn't take much crud,corrosion, etc. to prevent a connection. I cleaned the pins with iso alcohol, a fine, but stiff nylor brush, exercised the ribbon cable connection with angled nosed precision plyers and what do you know. EVERYTHING is working perfectly.
As a side bar ... I found a used PC board for the unit on ebay for $4o. Of course, I don't need it now but I wonder if I shouldn't buy it; the part number is 9744031. They're no longer made but a replacement you can buy NEW is 8530929. I'm keeping my eyes open for a touch pad for this general model on eBay as well, just in case.