James B Vestal , NY November 12, 2014 Appliance: Jenn-Air Electric Cartridge A100-8 Jenn-Air Cartridge A100-8: Terminal block was burned out. How to replace Cooktop Terminal Block Kit. I replaced the terminal block with one I bought from Appliance Parts Pros 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes