This Air Cooled VW Turn Signal Switch is compatible with Late 1971-1977 Standard Beetles, Late 1971-1979 Super Beetles, Late 1971-1974 Karmann Ghias, Late 1971-1974 Type 3s and late 1973 (Chassis #1832346525)-1974 Things. For 1971 models, if your wiper switch is on the steering column instead of the dash, you would use this switch. The Turn Signal Switch is modular and connects to the Wiper Switch before it installs in the steering column. At the bottom of the column the switches plug into their steering column harnesses. The VW Turn Signal Switch operates the left and right turn signals and the headlight dimmer relay.