hell i dont know how many places i go that if the register doensnt work they dont know how to make change! how much money do you think these dumbasses in the parts stores cost people from misdiagnosis? thank god i have a great NAPA man in town here that pretty much is well versed on old and newer chevrolets. he drives a 69 nova/427 and newer chevy truck. i dont even waste my time at autozone any more!