washer motor is working however noticing when washer goes from rinse to drain cycle washer starts and stops instantly is it possible there is some kind of relay switch bad if so where to look for on washer i already checked for clog in drain line had line disconnected and made sure water flowed through line,had spray arm off checked impeller blow out with air ! washer has been working fine till now any suggestions for a parts pictured breakdown on line already checked whirlpool on line no luck finding this model probably changed # washer is about 10 years old thanks for your help!!