Blower Motor Speed Erratic. Cadillac Seville 2000

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2000 🢒 Seville 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Blower Motor Speed Erratic

Step	Action	Value(s)	Yes	No
1	Inspect all connectors and input circuits to the blower control module for intermittent shorts or opens. Were any repairs made?	--	System OK	Go to Step 2
2	Disconnect the blower motor connector. Inspect the motor terminals for a good connection to the blower motor. Replace the blower motor if any terminals are bad. Refer to Blower Motor and Fan Replacement in Heating, Ventilation and Air Conditioning. Is the repair complete?	--	System OK	Go to Step 3
3	Replace the blower control module. Refer to Blower Motor Control Module Replacement in Heating, Ventilation and Air Conditioning. Is the repair complete?	--	System OK	--

Step

Action

Value(s)

Yes

Inspect all connectors and input circuits to the blower control module for intermittent shorts or opens.

Were any repairs made?

System OK

Disconnect the blower motor connector.
Inspect the motor terminals for a good connection to the blower motor.
Replace the blower motor if any terminals are bad. Refer to Blower Motor and Fan Replacement in Heating, Ventilation and Air Conditioning.

Is the repair complete?

System OK

Replace the blower control module. Refer to Blower Motor Control Module Replacement in Heating, Ventilation and Air Conditioning.

Is the repair complete?

System OK