Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Control Assembly

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WARNING
Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

Removal & Installation



Center Overhead
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the control panel bezel.
  4.  
  5. Pull the control panel out slightly, disconnect the electrical lead and then remove the control panel.
  6.  

To install:

  1. Connect the lead and slide the panel back into the console.
  2.  
  3. Install the bezel and connect the battery cable.
  4.  

Front
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the overhead console.
  4.  
  5. Disconnect the electrical harness from the control assembly.
  6.  
  7. Remove the control assembly from the overhead console.

    Click image to see an enlarged view

    Fig. Auxiliary A/C control

  8.  

To install:

  1. Install the control assembly to the overhead console.
  2.  
  3. Connect the electrical harness to the control assembly.
  4.  
  5. Install the overhead console.
  6.  
  7. Connect the negative battery cable.
  8.  
  9. Test the circuit operation.
  10.  

Front Overhead
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the roof console.
  4.  
  5. Pull the control panel out slightly, disconnect the electrical lead and then remove the control head.

    Click image to see an enlarged view

    Fig. Rear control head assembly-front overhead console

  6.  

To install:

  1. Connect the lead and slide the panel back into the console.
  2.  
  3. Install the roof console and connect the battery cable.
  4.  

Rear
  1. Remove the bezel.
  2.  
  3. Remove the control assembly from the roof panel.
  4.  
  5. Disconnect the electrical connectors.

    Click image to see an enlarged view

    Fig. Rear auxiliary control

  6.  
  7. Connect the electrical connectors.
  8.  
  9. Install the control assembly to the roof panel.
  10.  
  11. Install the bezel.
  12.  
  13. Verify the circuit operation.
  14.  

 
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