If your RV's AC is making an aggressive humming noise but won't start, it's likely due to a bad capacitor. In this video, learn how to perform an AC amperage test to confirm the issue and find out how to safely replace the capacitor. Take control of your RV's AC problems today! #RVAirConditioner #ACTroubleshooting #BadCapacitor #HVACRepair #RVLiving #RVMaintenance #DIYFixes #RVLife #ACProblems #RVTips | RV Repair Woman