How do you connect the wiring on a 1985 Mercedes SL window switch?

To connect the wiring on a 1985 Mercedes SL window switch, first, identify the switch terminals; typically, there are four: two for the motor and two for the power supply. Connect the positive power wire to one of the power terminals and the negative wire to the other. For the motor, connect the corresponding wires to the switch terminals, ensuring the correct polarity for the desired window movement. Finally, secure the connections and test the switch to confirm proper operation.