Front Wiper Motor

1. As illustrated, use a 12 V battery to connect its (+) terminal to terminal "A", and its (-) terminal to Black lead wire.
If motor rotates at a low revolution speed of 45 to 55 rpm, it is proper. For high speed check, connect battery (+) terminal to terminal "B", and its (-) terminal to Black lead wire. If motor rotates at a high revolution speed of 67 to 83 rpm, it is proper.




2. Testing automatic stop action.
a. Connect 12 V battery (+) terminal to terminal "A" of wiper motor and (-) terminal to Black lead wire and let the motor turn.
b. Disconnect terminal "A" from battery, and let the motor stop.
c. Connect terminal "A" and "D" with a jumper wire, and connect terminal "C" to battery (+) terminal. Observe the motor turns once again then stops at a given position.
d. Repeat a) thru b) several times and inspect if the motor stops at the given position every time.