2000 Ford Crown Victoria, 133K miles (new engine at 96K) When I’m accelerating onto the highway or some other time when I need to lay into it, the battery light will briefly come on for perhaps a second at high RPMs; it goes out immediately upon shifting to the next gear. There is a voltage ga…

Battery light comes on during hard acceleration

tardis September 22, 2009, 6:05pm 7

Along the same lines is the possibility that the brushes are worn out on the alternator.