Customer Questions and Answers for Timer by Whirlpool

Teri, The timer is one of the possible issues, and the more likely. But you would also need to consider the motor WP661600 it may have an "open" high speed winding. If you have access to a multi meter you can check across terminal #4 and Terminal #3 on the motor switch for a "closed" circuit. If the resistance is a closed circuit, the motor winding is OK and you need to replace the timer.