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Home >> Ford >> 2004 >> Excursion 6.8 S, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System -- Excursion & F250-F550 Super Duty >> Diagnosis And Testing >> Wipers and Washers >> Component Test - Windshield Wiper Motor >> Washer Pump Relay (Integral)

Washer Pump Relay (Integral)

Test the windshield wiper motor internal washer relay function by measuring the voltage between windshield wiper motor (4) component side pin 7 (8), and ground while grounding the windshield wiper motor (4) component side pin 12 (9). When wash command input pin 12 is grounded, measured voltage should read 10 volts or greater.