Ok my ac blower fans have been cutting in and out and does not work on setting 1 and when they do run the go slow then fast and have been making weird noises i have researched on the net and i have seen that the resitor can go bad causing number 1 not to work but could this also be the reason the fans cut in and out the only do it like when i first start the car the don't work at all and then later i start the car up and they are working again i need to know what might need replaced and how hard it is to do i would like to do it myself i don't got much money so just wondering