gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Blower Motor Resistor: Service and Repair
W/O Air Conditioner

Primary Heating System

Blower Motor Resistor

Remove or Disconnect

1. Negative battery cable.
2. Roll instrument panel back.
3. Plenum tray.
4. Electrical connector.
5. Screws.
6. Resistor.

Install or Connect

NOTICE: When installing resistor to the heater case, do not let the resistor coils contact each other. Improper system operation or vehicle damage could
result.

1. Resistor.
2. Screws.

Tighten

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Screws to 1.9 Nm (17 lb in).

3. Electrical connector.
4. Plenum tray.
5. Roll instrument panel forward.
6. Negative battery cable.

-

Check circuit operation.

Auxiliary Heating System

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