Quote:
Originally posted by NEW911SC2
Also, assuming that your battery is good, another quick test would be to turn the car on and, while it's running, disconnect the "negative" battery terminal. If the alternator is good, and holding the charge, it should stay on. If it dies when you pull the cable, then the alternator is no good. Hope this helps.
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This is a very bad idea. Do not do this. Do a search for trouble-shooting the charging system.
I repeat do not disconnect the battery while the enigne is running.
Jerry M
'78 SC