I've got an '87 wrangler basically stock with the exception of a 3 inch body lift, 33's and a motorcraft carb. For some reason when I turn my headlights on the motor starts missing. Its not bad enough to cause it to die, and its still driveable, but I'd like to fix it if I could. I just put new plugs in it, and the alternator is new. the carb has been recently tuned, and the timing has recently been adjusted. It runs great without the headlights on. Any ideas? Any info would be greatly appreciated. Thanks!