Murphy’s Law… you hop in your prized 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 or 1972 Chevy or GMC truck on a freezing day, or if you have AC, a super hot day, and fire up your baby. You go to adjust the cabin temperature and……nothing happens. You slap your dash and belt out a few obscenities or something like that. It could be your blower motor, or the wiring, but most likely it’s the blower motor switch. This little electro-mechanical device allows current to flow to the blower motor to warm or cool your interior or defrost your windows. Over time, the contacts wear and switch begins to fail. Eckler's Classic Chevy Trucks is here to help. With our blower motor switch replacement can be done with a little mechanical know-how, some simple and tools and a few hours. Remember to check your Chevy truck service shop manual before attempting to replace any electrical device. Ecklers Classic Chevy Trucks is here to help when Murphy strikes again.