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Blower Motor: Testing and Inspection

Blower Motor Inspection

- Check blower motor for resistance between two terminals as shown. If there is no continuity, replace blower motor.







- Check for operation and current.
a. Put blower motor (1) in a soft-jawed vise.
b. Connect battery to blower motor as shown.
c. Check if blower motor operates smoothly without noise.
d. Check if ammeter indicates the specified current. If measured current is out of specification, replace blower motor.

Blower motor specified current at 12 V
18.5 A maximum at 20 - 25 °C (68 - 77 °F)





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