Without rear window wiper
1. Lower the washer motor into the water tank.
2. Connect "+" battery to the output "IN" electric motor, and to the conclusion "F" and make sure that water comes out of the fitting.
With rear window wiper
1. Lower the washer motor into the water tank.
2. Connect "+" battery to the output "IN" electric motor, and to the conclusion "F" and make sure that water comes out of the fitting (in the windshield wiper).
3. Connect "+" battery to the output "IN" electric motor, and to the conclusion "R" and make sure that water comes out of the fitting (in the rear window cleaner).