Dishwasher Intermittedly Doesn't Cycle

[LEFT]Our Maytag washer intermittedly doesn’t complete cycle. Stops at various stages. Can hear electrical click but next cycle won’t start. I can always push "rinse only" stage and it will work if I clear board by unplugging dishwasher.
Can anyone suggest a trouble shooting guide source. My first guesss is timer motor.
Thank you for your help.
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Read more: http://forum.appliancepartspros.com/dishwasher-repair/116052-dishwasher-intermittedly-doesnt-cycle.html#post259656#ixzz0x6yAM2Vp
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