gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

With Air Conditioning|Page 9105 > < A/C - Fan Only Operates on High Speed|Page 9102
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Blower Motor Resistor: Service and Repair
With Air Conditioning

Blower Motor Relay Resistor

Remove or Disconnect

1. Negative battery cable.
2. Instrument panel compartment.
3. Electrical connectors, as necessary.
4. Screws.
5. Blower motor resistor.

Install or Connect

1. Blower motor resistor.

CAUTION:
Make sure the resistor coils do not contact each other. Improper operation or system damage may result.

2. Tighten screws to 1.9 Nm (17 lbs. in.).
3. Electrical connectors, as necessary.
4. Instrument panel compartment.
5. Negative battery cable.

-

Check circuit operation.

With Air Conditioning|Page 9105 > < A/C - Fan Only Operates on High Speed|Page 9102