GM S-Series Pick-ups and SUV's 1994-1999 Repair Guide

Center High-Mount Brake Light

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REMOVAL & INSTALLATION



Pick-Up Models

See Figure 1



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Fig. Fig. 1: Exploded view a typical pick-up center high-mounted brake light assembly

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the outer high-mount brake lens retaining screws. Remove the bulb.
  4.  
  5. From inside the cab, remove the dome lamp lens, then remove the bulb. Unplug the dome lamp connectors by squeezing and sliding them out of the dome lamp assembly.
  6.  
  7. With the dome lamp components out of the way, remove the 4 dome lamp-to-high mount lens screws
  8.  
  9. If necessary, remove the headliner from inside the vehicle.
  10.  
  11. Unplug the wiring connector from the dome lamp harness.
  12.  
  13. Remove the center high-mount lamp from the vehicle.
  14.  

To install:
  1. Install the dome lamp and center high-mount lamp assembly to the vehicle.
  2.  
  3. Install the dome lamp bulb connectors to the lamp housing.
  4.  
  5. If removed, install the headliner.
  6.  
  7. Attach the connector to the dome lamp harness.
  8.  
  9. Install the inner and outer lens retaining screws and tighten to 22 inch lbs. (2.5 Nm).
  10.  
  11. Connect the negative battery cable and verify proper operation.
  12.  

1994 Utility Models
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the rear dome lamp assembly as follows:
    1. Remove the lens.
    2.  
    3. Remove the push nuts and the lamp housing.
    4.  
    5. Remove the push nuts and the bulb, then disconnect the wire assembly from the studs.
    6.  

  4.  
  5. Unplug the electrical connection from the dome lamp harness.
  6.  
  7. Unfasten the lamp assembly screws and remove the assembly.
  8.  

To install:
  1. Feed the brake light assembly wire through the hole in the roof panel and attach it to the dome lamp harness.
  2.  
  3. Attach the brake light assembly screws.
  4.  
  5. Install the rear dome lamp assembly as follows:
    1. Connect the wire assembly to the studs and install new push nuts onto the studs.
    2.  
    3. Install the bulb and push nuts.
    4.  
    5. Install the lamp housing onto the studs and install new push nuts.
    6.  
    7. Install the lens assembly.
    8.  

  6.  
  7. Connect the negative battery cable.
  8.  

1995-99 Utility Models
ROOF MOUNTED
  1. Unfasten the brake light assembly retaining screws.
  2.  
  3. Remove the assembly from the roof, pull the electrical connector through the hole in the roof and unplug the electrical connection.
  4.  
  5. Installation is the reverse of removal.
  6.  

WINDOW MOUNTED
  1. Unfasten the brake light assembly retaining screws.
  2.  
  3. Remove the assembly from its mounting, pull the rubber grommet from the body at the top of the end gate, pull the electrical connection through the hole and unplug it.
  4.  
  5. Installation is the reverse of removal.
  6.  

 
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