Using this door interlock switch is easy. First, make sure your washing machine is unplugged to avoid any electrical shock. Then, locate the old switch in your Whirlpool front - loading washing machine and carefully remove it. Next, connect the new switch using its 3 spade terminals in the same way the old one was connected. When installing, be gentle to prevent any damage to the switch. As for maintenance, keep the switch clean from dust and debris. Check it regularly for any signs of wear or damage. If you notice any issues, it's best to replace the switch right away. And don't worry, with our 25 - year experience in supplying appliance parts, you've got a reliable product at hand.