The check battery light comes on and my dashlights dim whenever my car revs up to 5000rpms or more. Anyone know what may be causing this? Could it be as simple as a bad ground wire perhaps???
If it slips at that high of an rpm,it would be slipping all the time. To be bad enough to make the battery light come on would mean it's turning at a speed that is slower than it would turn at an engine rpm of 500. Sounds more like the alternator itself to me,maybe the regulator part of it.