High Mount Stop Lamp Replacement Pickup
                    
Removal Procedure
Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing
any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to
the vehicle or its components. 
- Disconnect
the battery negative cable.
 
- Squeeze the release tabs in order to remove the dome lamp lens.
 
- Remove the dome lamp bulb.
 
- Remove the screws that
retain the dome lamp base to the high mount stop lamp from inside the vehicle.
 
- Remove the dome lamp base from the vehicle.
 
- Remove the body wiring harness from the dome lamp/high mount stop
lamp.
 
- Remove the high mount stop lamp from the vehicle.
 
Installation Procedure
- Install the high mount
stop lamp to the vehicle.
 
- Install the body wiring harness to the dome lamp/high mount stop
lamp.
 
- Install the dome lamp base to the vehicle.
 
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the screws
that retain the dome lamp base to the high mount stop lamp from  inside the
  vehicle.
 
Tighten
Tighten the screws to 2.5 N·m (22 lb in).
- Install the dome lamp bulb.
 
- Squeeze the lens in order to install the dome lamp lens.
 
- Connect the battery negative cable.
 
                            High Mount Stop Lamp Replacement Utility - Roof Mounted
                    
Removal Procedure
- Remove the screws that  retain the high
 mount stop lamp to the roof.
 
- Remove the high mount stop lamp from the vehicle.
 
- Disconnect the electrical connector.
 
- Pull the wiring harness connector through the hole in the roof  and disconnect
the electrical connector.
 
Installation Procedure
- Connect the wiring harness connector to the high mounted stop lamp.
 
- Install the high mount  stop lamp to the
 vehicle.
 
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the screws  that retain the high mount stop lamp to the roof.
 
Tighten
Tighten the high mount stop lamp screws to 1.4 N·m (12 lb in).
                            High Mount Stop Lamp Replacement Utility - Endgate Window
                    
Removal Procedure
- Remove the screws that  retain the high
 mount stop lamp to the endgate window.
 
- Remove the high mount stop lamp from the vehicle.
 
- Pull the rubber grommet from the body at the top of the endgate  opening
 in order to remove the electrical connector.
 
Pull the electrical connector through the hole in the body and disconnect.
Installation Procedure
- Connect the electrical connector and push the connector through  the hole
 in the body in order to install the electrical connector.
 
- Insert the rubber grommet into the hole in order to ensure that  the hole
 is properly seated.
 
- Install the high mount  stop lamp to the
 vehicle.
 
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the screws  that retain the high mount stop lamp to the endgate window.
 
Tighten
Tighten the high mount stop lamp screws to 2.5 N·m (22 lb in).
                            High Mount Stop Lamp Replacement Envoy
                    
Removal Procedure
- Remove the roof rear upper
garnish molding. Refer to 
Rear Upper Garnish Molding Replacement 
  in Interior Trim.
 
Important: Before replacing the high mount stoplamp, ensure that the power and
ground have been verified. Refer to 
Stop Lamps Inoperative 
  .
- Disconnect the high mount stoplamp electrical connector.
 
- Using a heat gun, apply heat to the tape seal until the seal becomes
soft and pliable.
 
Important: Ensure that care is taken when making this cut. The spoiler and/or window
frame surface may be damaged and lead to premature corrosion.
- With a flat-bladed tool, cut the tape that seals the spoiler to the
liftgate window. This cut will be made along the top, left and  right   edges.
 
- From the top edge, pull the spoiler back to release if from the
liftgate window clips. The locating clips on the spoiler  may break.  These
       are for assembly locating purposes only. The spoiler will still snap
    into     place during assembly.
 
- Place spoiler on the roof of the vehicle.
 
- Remove the liftgate window from the vehicle. Refer to 
Liftgate Window Replacement 
 in Body Rear End.
 
- Remove all traces of the adhesive from the window using a general
purpose adhesive remover or an adhesive remover disc (3M part number 7501
         or 7502 or equivalent) attached to a drill. A 50-75 mm
   (2-3 in)       square rubber or felt block may also be used
  to  aid in the  removal of   the    old adhesive.
 
- Clean the affected area with a suitable grease remover and wipe
clean with isopropyl alcohol.
 
Installation Procedure
Important: Do not remove the protective strip from the 2-sided adhesive yet.
- Place the spoiler on the roof of the vehicle.
 
- Install the body wiring harness to the high mount stoplamp.
 
- Test the lamp for proper operation.
 
- Install the roof rear
garnish molding. Refer to 
Rear Upper Garnish Molding Replacement 
  in Interior Trim.
 
- Install the liftgate window to the vehicle. Refer to 
Liftgate Window Replacement 
 in Body Rear End.
 
- Close the liftgate.
 
- Snap the spoiler into place and locate on the center of the liftgate.
 
- Remove the protective strip from the two-side adhesive.
 
- Apply firm and even pressure to seat the spoiler.