Did you review the Blower Controls Circuit Description and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

Verify that the front blower motor operates at high speed only.

Does the front blower motor operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Place the ignition switch in the RUN position.
2. Place the heater-A/C control in the low position.
3. Probe with a test lamp between the blower motor resistor connector terminal B and ground. Refer to Circuit Testing in Wiring Systems.

Is the test lamp on?

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Go to Step 4

Go to Step 5

Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement .

Is the repair complete?

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Go to Step 6

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Replace the heater-A/C control. Refer to HVAC Module Assembly Replacement .

Is the repair complete?

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Go to Step 6

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1. Turn the ignition switch to the OFF position.
2. Reconnect all connectors/components removed.
3. Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3