Wiper Motor Timer: Testing and Inspection

Fig. 9 Wiper Interval Governor Location. Aerostar:

Fig. 10 Wiper Interval Governor Location. Bronco II, Explorer & Ranger:

If interval operation is unsatisfactory, first test motor current draw, the control switch and all connecting wires for continuity. If the motor, switch and connecting wires are good, replace the electronic governor, Figs. 9 and 10.