test the alt before changing it. get the car running and pull the battery cable off. if it stays running the alt is fine. or u can just get a multi meter out and test it. while running it should be about 13-14 volts.
test the alt before changing it. get the car running and pull the battery cable off. if it stays running the alt is fine. or u can just get a multi meter out and test it. while running it should be about 13-14 volts.