Wiper Motor: Testing and Inspection
Fig. 3 Wiper Motor Current Draw Test. Except Aerostar:
Fig. 4 Wiper Motor Current Draw Test. Aerostar:
1. Disconnect positive battery cable.
2. Disconnect linkage from motor and the electrical connector.
3. Connect green lead from multimeter to battery positive post, Fig. 3 and 4.
4. Connect positive lead of tester first to low speed connection and then to high speed connection at electrical connector. Current draw should not exceed 3 amps.