Originally Posted by
cabriolet
alternator warning light comes out of the alternator as earth it needs the resistance of the bulb in the system to energise the regulator once done it charges turning the light off by changing what comes out of the alternator to live the alternator will self excite if spun fast enough but will not charge at low rpm [put it back how it should be alternator manufacturers spend billions developing their systems]
well put i knew it was earth and becomes live or something like that, all the old tractors and even my old chevy just has a single wire to battery and thats it it charges magically

lol