57 CHEVROLET CONVERTIBLE TOP SWITCH. A new convertible top switch with knob and mounting bracket for a 57 Chevrolet. SEE MANY MORE PARTS IN MY.CRAZYLIGHT'S CLASSIC CHEVY PARTS. The item "1957 CHEVY CONVERTIBLE TOP MOTOR SWITCH with KNOB and MOUNTING BRACKET New" is in sale since Friday, January 19, 2018. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Interior\Switches & Controls". The seller is "crazylights" and is located in Lansdale, Pennsylvania. This item can be shipped worldwide.