Painless 30201 Hot Shot Engine Bump Switch. The Painless Performance 30201 Hot Shot Plus allows you to turn over the engine from the engine compartment for adjusting valves. It also overcomes starting problems due to an overheated starter or worn out electrical system by boosting amperage to the starter solenoid every time the vehicle is started. Painless 30201 Hot Shot Engine Bump Switch 30201 We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.