I have a 2001 Chevrolet Silverado LS ext. cab it has 195,800 miles the charging system is working just fine or so the volt meter showed, the problem seems to be when the truck it rocking side to side like hitting a pothole the headlights and dashlights flicker, also the other day when driving I had the heater on and when turning mostly to the right the blower motor would shut off then once the wheel was straightened back up the blower kicked back on.