Wiper Motor: 64-67F & A body - 2 speedThis is the wiper motor fitted for various model GM cars.. This motor is the TWO SPEED unit with 4 electrical post terminals or three Terminals.. pick whichever you need. The Difference for 3 or 4 terminal .. is choose 4 terminal if you run the "on demand wiper washer squirter option" of your switch which gives then a 3 4 spurts of washer liquid. Both are 2 speed. Free delivery around Australia for orders paid on line. Fitment includes but not limited