Johnny C Huntsville , AL May 10, 2020 Appliance: General Electric Microwave PNM1971SR1SS Ge Microwave Pnm1971sr1ss: Fuse kept blowing. How to replace Microwave Capacitor. Was able to trace the problem back to the capacitor and replace it. Microwave is working fine now. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours