Test Description

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The numbers below refer to the step numbers on the diagnostic table.

5. This step tests the output of the blower motor switch in each speed position and through each blower motor control circuit.
6. Test the circuit that did not illuminate the test lamp in Step 5.

Fig 1: Diagnosis Procedure Blower Motor Malfunction (Step 1 To 7)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Diagnosis Procedure Blower Motor Malfunction (Step 8 To 16)
Courtesy of GENERAL MOTORS CORP.