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Wiper Motor: Testing and Inspection
Fig. 1 Testing wiper motor current draw. 1980---87 Bronco & F-100---350 Series:
Bronco & F100---350
1.
Disconnect
wiper motor linkage and electrical connector.
2.
Connect multimeter to
wiper motor,
Fig. 1, connecting positive lead of tester first to low speed connection, then to high speed connections at connector plug. Current draw should not exceed 3 amps.