Hello All.... im have no clue what im talking about when it comes to residental hvac systems, however... our a/c unit recently quit working... my husband just took it apart tonight... and he found that the fan pwr black wire had caught on fire.... pictures are attached.... would anyone know what would have caused this to happen or what we need to do now... to fix it... thanks! We would appreciate any help with this... if you need more info.. i could ask my husband to come and help me out... thanks again!!