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Blower Motor Relay: Testing and Inspection

1.

Using an ohmmeter, measure resistance between terminals 1-2, resistance should be approximate 80 ohms.

2.

Measured resistance between terminals 3-4, should be infinity.

3.

Measured resistance between terminals 3-5, should be zero.

4.

If readings obtained are incorrect, replace heater relay.

Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Testing and Inspection

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