George B Farmville , VA July 02, 2014 Appliance: Whirlpool Electric Range RF315PXXN1 Whirlpool Range Rf315pxxn1: Switch was not controlling cooking surface i read where a nother customer had same problem and what they had to do to correct. How to replace Cooktop Terminal Block Kit. Replaced ceramic terminal block kit with screwdriver and wire stripper 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes