Unplugged washer. Unscrewed top partly loose from washer and leaned it back. Unplugged small electric piece to switch and unplugged clear pressure hose. Inserted new switch, plugged electric knob back into new switch, reconnected pressure hose and then pulled washer top piece forward and screwed it back on. I did not put on new pressure hose as washer not too old. P.S. ordered from another company by mistake, they sent wrong part--a temp. switch, then they were going to resend correct switch and charge for level switch and they made you buy the pressure hose separately. You included it with switch. Your price was half as much as other company. Great product, great price. Will definitely order any appliance parts from your company again as needed.