Cynthia R St. Louis , MO June 18, 2017 Appliance: Maytag Gas Cooktop MGC7430WS00 Maytag Cooktop Mgc7430ws00: Cook top spark igniter circuit shorted out blew circuit breaker. How to replace Main Wire Harness (30-Inch). Installed new igniter wire harness Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes