Wiper Blades Stop at Random Position on Windshield

Front wiper switch continuity test:

Fig. 18 Front wiper motor in-vehicle checks:

1. Disconnect electrical connector from wiper motor.
2. Ground terminal 5, connect jumper wire between terminals 2 and 3, and apply battery voltage to terminal 1 on wiper motor, Fig. 18. If wipers do not operate properly, proceed to step 3. If wipers operate properly, proceed to step 4.
3. Replace circuit board and recheck operation. If wipers still malfunction, replace wiper motor.
4. Check for continuity between terminals 2 and 3 with wiper switch in off position. If continuity exists, repair open in wire between fuse block and terminal 1. If there is no continuity, repair open in wire between switch and terminal 3, or replace switch as necessary.