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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 599 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSBLOWER MOTOR RESISTOR ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the right side instrument panel insulator. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.
    2. Fig 1: Blower Motor & Electrical Connector
    GM295327Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the blower motor electrical connector.
  3. Remove the blower motor mounting screws.
  4. Remove the blower motor from the HVAC module assembly.
    5. Fig 2: Locating Electrical Connector From The Blower Motor Resistor
    GM295302Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the electrical connector from the blower motor resistor assembly.
    6. IMPORTANT: Only loosen both of the forward blower resistor assembly mounting screws. The blower motor resistor assembly mounting holes are slotted.
  6. Loosen the forward blower resistor assembly mounting screws.
  7. Remove the rearward blower resistor assembly mounting screw.
    8. Fig 3: View Of Blower Motor Resistor Assembly
    GM295304Courtesy of GENERAL MOTORS CORP.
  8. Remove the blower motor resistor assembly from the HVAC module assembly.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.