1. Check operation at low speed. Connect "+" battery to the output "+1", and the battery to the output "E". At this point, the wiper motor should run at low speed.
2. High speed operation test. Connect "+" battery to the output "+2", and the battery to the output "E". At this point, the wiper motor should run at high speed.
3. Checking the stop of the brushes in the extreme position (stop position).
A) Connect the battery to the terminal "+1", and the battery to the output ''E". The motor will run at low speed.
b) Remove from output "+1" battery wire. The motor must stop.
V) Short circuit the leads "+1" And "+S". Connect "+" battery to the output "+V", at this time, the motor should start running at low speed and then come to the stop position.