Using this Whirlpool lid switch is easy. First, make sure your washing machine is unplugged from the power source. Then, locate the old lid switch in your large washing machine and carefully remove it. Next, connect the new lid switch using the 3 - pin connector with flat pins and make sure it's firmly attached. Finally, plug your washing machine back in and you're ready to go. When using this switch, always ensure the power is off when making any connections or disconnections to avoid electric shock. As for maintenance, keep the switch clean and free from dust and debris. If you notice any signs of wear or malfunction, replace the switch right away. With proper use and maintenance, this lid switch will serve you well for a long time.