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First the belt. It sounds like you have a belt that squeeks under load. If the alternater belt is a v belt removing the belt and sanding the pullies may halp. A serpentine belt I have changed the brand belt from what is not working now with good results. But it is just like a squeeling tire. By the way if your alternater is running away(producing to much power) it can cause this and many other problems. The battery on the coach or house will go dead over 1 week to a month on most RVs. This is caused by the draws from the board in the fridge, water heater, furnace, stereo, etc. The only way to stop or prevent it is to disconect the batteries. The engine start battery may go dead just as quick, but this depends on what is hooked up and what type of engine andf trans computors are in it. Again charge them fully and disconect them. It is easy and cheap to buy simple disconects and install them. Good Luck |