well thats what i thought was wierd ,cause it was running fine, then it just started messing up ,im not shure if the alt works ,it was not hooked up when i got the car,i put in a ezwire harness ,hooked up the starter switch,starter distibuter& bat the car ran fine, then i hooked up the light switch ,lights some guages ,amp,volt ,temp,oil, new volt reg &alt then the starter went bad trying to start it so i could see if it was charging,thats when i got the rebuild on the starter and everything went bad