PUT ALTERNATOR ON IT PLUGS AND WIRE
WHY WEN I CUT MY LIGHTS ON AND MY HEAT MY CAR STARTS JERKING AND MISSING BAD.. on 1990 Cadillac Seville
1 answer 1 comment
Sounds like a groung wire has come loose to either the headlights or the heater. You need to track it down and get it reattached.
THANKS WILL CHECK