How do you test for a bad alternator ground?
My alternator voltage used to fluctuate/pulse when the car was running. Now alternator doesn't charge at all. When car is off it's at 12.60 volts and when running it's at 12.15v. Just replaced alternator again. Could a bad ground be killing them or the
You don't mention make, model, or year, but if it has an ELD it must be a Honda product.
The ELD is probably the poorest understood part of the Honda electrical system. It monitors the current drain on the battery and alternator together