New timer on Maytag performa washer

I just put on the new timer for the washer and the timer does not advance unless I put some pressure on the knob. I must be missing something very simple. I purchased a new timer, knob and skirt.

Check the wire harness plug at the timer.

Here are the break down diagrams for the Maytag Performa washer http://www.appliancepartspros.com/partsearch/model.aspx?diagram_id=645499&&model_id=46634

Gene.