Hook up up a volt meter to the battery and note the reading, then start the engine and turn everything on you will be using. If the voltage now reads the same, or a little higher, you have enough charging capacity. Mike At 05:41 PM 4/19/02 -0400, David Charles Gedraitis wrote: I was debating installing an electric water pump in my '61 Newport. Aside from the stock equipment, I currently have an electric fuel pump, will soon have an aftermarket stereo (hidden, of course), and was just curious as to how does one figure out what a charging system can handle? Do I install everything and run it and see if it runs down the battery and dies? There has to be some way to figure this out, so if someone could point me in the right direction, I would appreciate it. If its too much for the current electrical system, what can I do about an alternator? I've seen planty of large-amp aftermarket ones, but they all connect with one wire, whereas I have 3, so I wouldn't know what to do with that either. Any thoughts?
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