GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Control Panel

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REMOVAL & INSTALLATION



Cutlass Supreme
1988-94 VEHICLES
See Figure 1


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Fig. Fig. 1: Control panel location and mounting -1988-94 Cutlass Supreme

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the cluster trim plate-to-dash securing screws.
  4.  
  5. Tilt the top of the cluster trim plate downward releasing the clips that mount the bottom of the plate to the dash and remove the trim plate.
  6.  
  7. Remove the screws securing the accessory trim plate-to-dash.
  8.  
  9. Tilt the top of the accessory trim plate downward releasing the clips that mount the bottom of the plate-to-dash.
  10.  
  11. Remove the control assembly from the dash and unplug the electrical connectors.
  12.  

To install:
  1. Install the control assembly and connect the electrical wiring-to-assembly.
  2.  
  3. Push the mounting clips into place, roll the top of the accessory trim plate upward into position and tighten screws.
  4.  
  5. Push the mounting clips into place, roll the top of the cluster trim plate upward into position and tighten the screws.
  6.  
  7. Connect the negative battery cable and check operation.
  8.  

Grand Prix
1988-93 VEHICLES
See Figure 2


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Fig. Fig. 2: On 1988-93 Grand Prix, the control assembly is inthe center of the panel, to the right of the radio controls

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the lower left instrument panel pad.
  4.  
  5. Remove the control assembly trim plate.
  6.  
  7. Loosen the left securing screws, pull the assembly out and disconnect the electrical harness.
  8.  

To install:
  1. Connect the electrical harness and position the control assembly into the screws. Tighten the securing screws.
  2.  
  3. Install the control trim panel, lower left instrument panel pad and connect the negative battery cable.
  4.  

Regal
1988-94 VEHICLES
See Figure 3


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Fig. Fig. 3: Heater and A/C control panel removaland installation -1988-94 Regal

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the instrument panel trim plate.
  4.  
  5. Remove the control assembly securing screws, control assembly and disconnect the electrical harness.
  6.  

To install:
  1. Connect the electrical harness, install the control assembly and tighten the securing screws.
  2.  
  3. Install the instrument panel trim plate, connect the negative battery cable and check for proper operation.
  4.  

Lumina and Monte Carlo
1990-94 VEHICLES
See Figure 4


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Fig. Fig. 4: Heating and A/C control panel removal - 1990-94 Lumina

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the instrument cluster trim plate.
  4.  
  5. Remove the control assembly securing screws, then remove the control assembly and disconnect the electrical harness.
  6.  

To install:
  1. Install the control assembly, connect the electrical harness and tighten the securing screws.
  2.  
  3. Install the instrument panel trim plate.
  4.  
  5. Connect the negative battery cable and check for proper operation.
  6.  

1995-96 VEHICLES
See Figure 5


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Fig. Fig. 5: Heating and A/C control panel mounting-1995 Lumina and Monte Carlo shown

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the instrument cluster trim plate.
  4.  
  5. Unfasten the retaining bolt/screw, then remove the control assembly by unsnapping it.
  6.  
  7. Detach the electrical connectors.
  8.  

To install:
  1. Attach the control assembly electrical connectors.
  2.  
  3. Position the control assembly, then snap in place to secure.
  4.  
  5. Install the retaining bolt/screw and tighten to 17 inch lbs. (2.0 Nm).
  6.  
  7. Install the instrument cluster trim plate.
  8.  
  9. Connect the negative battery cable.
  10.  

1994-96 Grand Prix and 1995-96 Cutlass Supreme and Regal

See Figures 6, 7 and 8

  1. Disconnect the negative battery cable.
  2.  
  3. If equipped, remove the console assembly.
  4.  
  5. Remove the accessory trim plate.
  6.  
  7. Rotate the control assembly clockwise to unsnap.
  8.  
  9. Pull the control assembly away from the instrument panel and detach the electrical connectors.
  10.  

To install:
  1. Attach the control assembly electrical connectors.
  2.  
  3. Position the control assembly, then rotate counterclockwise and snap in, to install it.
  4.  
  5. Install the retaining bolt/screw and tighten to 18 inch lbs. (2 Nm).
  6.  



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Fig. Fig. 6: Ventilation control panel removal andinstallation-1995 Cutlass Supreme shown



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Fig. Fig. 7: Heater and A/C control panel mounting-1995 Grand Prix shown



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Fig. Fig. 8: Control panel assembly attachment-1995 Regal shown

  1. Install the accessory trim plate and console, if equipped.
  2.  
  3. Connect the negative battery cable, then check for proper operation.
  4.  

 
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