Cutlass Supreme RWD V8-307 5.0L (1988)
Blower Motor: Initial Inspection and Diagnostic Overview
With A/C
Symptom Table
Symptom Table
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Do the tests listed for your symptom in the Symptom Table.
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Diagnostic Tests follow the Symptom Table.
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If your symptom does not appear in the Symptom Table, perform all of the Diagnostic Tests. See: Component Tests and General Diagnostics
Without A/C
Symptom Table
Symptom Table
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Do the tests listed under Diagnostic Tests for your Symptom in the Symptom Table.
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Diagnostic Tests follow the Symptom Table. See: Component Tests and General Diagnostics
With A/C
- Try the following checks before doing the System Diagnosis:
1. Check A/C Fuse by visual inspection.
2. Check that G103 is clean and tight.
3. Check that Blower Motor connector and High and Low Blower Relays are firmly seated.
- Go to the Heater and A/C System Check under A/C System Diagnosis for a guide to normal operation of entire system. See: Testing and Inspection
- Go to System Diagnosis for diagnostic tests of Blower Controls. See: System Diagnosis
