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2

Usually that indicates that a bearing is going bad and the alternator needs to be replaced. It's really impossible to tell how long it will last at this point. The problem is that once it fails it usually will seize and then everything on the belt that runs it will also stop working. That often includes your power steering and water pump. So if you choose ...


1

Sorry, that will not work. The negative side of the right hand battery will be at about 0.5 volts due to the diode. So the positive side of the right hand battery will be at about 0.5 + 13 from charger = 13.5 But the negative of the second battery is also connected to this so it too will be 13.5. The positive input for the left hand battery is also about 13 ...


0

Here is my calculation that I came up with (please check if this and my conclusion makes sense): +---------------+-------------------+---------+------+--------------------------+------------------+ | | (Average) Wattage | Voltage | Amps | Hours used on a cold day | aH usage per day | +---------------+-------------------+---------+------+--------...


2

This ended up being a bad negative terminal connected to the battery. The vibration at engine start was just enough to disrupt the connection. When I jumped the car, the clamp secured the terminal and the connection -- and, of course, the extra juice helped too. I confirmed at the dealership (don't judge) that the alternator and starter are fine. Make sure ...


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