Lighting Systems: Removal & Installation GMC Envoy II

Removal Procedure

1. Remove the left sound insulator. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-200362-S01634637402005102000000) in Instrument Panel, Gages and Console.
2. Remove the pushrod retainer (3) from the brake pedal pin (4).
3. Remove the stop lamp switch (1) and the pushrod (2) from the brake pedal pin (4).
4. Disconnect the stop lamp switch (1) electrical connector.
5. Remove the stop lamp switch from the vehicle.

Installation Procedure

1. Install the electrical connector to the stop lamp switch (1).
2. Position the stop lamp switch (1) on the pushrod (2) and install the assembly on the brake pedal pin.
3. Install the pushrod retainer (3) to the brake pedal pin (4). The retainer will snap into place.
4. Install the left sound insulator. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-200362-S01634637402005102000000) in Instrument Panel, Gages and Console.

1. Open the left instrument panel (IP) access cover.
2. Reach into the access hole and release the 4 retaining tabs located on the headlamp switch behind the IP.
3. Remove the headlamp switch from the IP, through the IP access hole.
4. Disconnect the electrical connectors from the headlamp switch.
5. Remove the headlamp from the IP.

1. Position the headlamp switch near the access hole.
2. Connect the electrical connectors to the headlamp switch.
3. Install the headlamp switch to the IP. Ensure that the retaining tabs are fully seated.
4. Install the left IP access cover.

1. Remove the windshield garnish moldings. Refer to «Garnish Molding Replacement - Windshield Pillar»(ref-200370-S32969954022005102000000) in Interior Trim.
2. Remove the trim pad. Refer to «Trim Pad Replacement - Instrument Panel (I/P) Upper»(ref-200362-S37371374902005102000000) in Instrument Panel Gages and Console.
3. Disconnect the electrical connector from the sensor.
4. In order to remove the sensor from the trim pad, rotate the sensor counter-clockwise 1/4 turn.
5. Remove the sensor from the trim pad.

1. Position the sensor to the trim pad.
2. In order to install the sensor to the trim pad, rotate the sensor clockwise 1/4 turn.
3. Position the trim pad to the upper portion of the instrument panel (IP).
4. Connect the electrical connector to the sensor.
5. Remove the shop rags from the windshield defrost vents.
6. Install the trim pad to the IP. Refer to «Trim Pad Replacement - Instrument Panel (I/P) Upper»(ref-200362-S37371374902005102000000) in Instrument Panel Gages and Console.
7. Install the windshield garnish moldings. Refer to «Garnish Molding Replacement - Windshield Pillar»(ref-200370-S32969954022005102000000) in Interior Trim.

1. Remove the left closeout/insulator panel. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-200362-S01634637402005102000000) in Instrument Panel, Gages and Console.
2. Remove the flasher retaining bracket from the insulator panel.
3. Disconnect the flasher from the electrical connector.
4. Remove the flasher from the vehicle.

1. Position the flasher to the insulator panel.
2. Connect the electrical connector to the flasher.
3. Install the flasher retaining bracket to the insulator panel.
4. Install the left closeout/insulator panel. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-200362-S01634637402005102000000) in Instrument Panel, Gages and Console.

1. Carefully grasp the sides of the lens to partially expose the rear retaining tab.
2. Use a flat bladed tool in order to release the rear lens retaining tab.
3. Lower the rear edge of the lens away from the headliner.
4. Move the lens rearward in order to release the front horizontal retaining tab.
5. Remove the lens from the headliner.
6. If replacing the reading lamp bulb (1), remove the reflector (2) from the dome lamp.
7. Remove the reading lamp bulb from the socket.
8. If replacing the dome lamp bulb (1), remove the dome lamp bulb from the socket.

1. If replacing the dome lamp bulb (1), install the dome lamp bulb to the socket.
2. If replacing the reading lamp bulb (1), install the reading lamp bulb to the socket.
3. Install the reflector (2) to the dome lamp, ensuring the retaining tabs are fully seated.
4. Position the lens to the headliner with the horizontal tab facing forward.
5. Position the horizontal tab above the headliner and push the lens forward to seat the tab.
6. Push upward on the rear portion of the lens, in order to seat the rear lens retaining tab.
7. Pull down on the lens to ensure that the lens is secured to the headliner.

1. Fold down the sunshade.
2. Open the cover to the vanity mirror in order to reveal the vanity light.
3. Use a flat bladed tool in order to release the retaining tab on the vanity light lens.
4. Remove the vanity light lens from the vanity mirror.
5. Remove the bulb from the socket.

1. Install the bulb to the socket.
2. Install the vanity light lens to the vanity mirror ensuring the retaining tab is fully seated.
3. Close the cover to the vanity mirror.
4. Return the sunshade to the folded up position.

1. Remove the dome lamp lens. Refer to «Dome and Reading Lamp Bulb Replacement»(ref-200366-S01383190372005102000000) in Lighting Systems.
2. Carefully grasp the sides of dome lamp and move forward 15 mm (1/2 in) in order to release the rear retaining tab.
3. Lower the dome lamp from the headliner.
4. Disconnect the electrical connector.
5. Remove the dome lamp from the headliner.

1. Position the dome lamp to the headliner.
2. Connect the electrical connector to the dome lamp.
3. Position the retaining tab above the headliner and move rearward 15 mm (1/2 in).
4. Install the dome lamp lens. Refer to «Dome and Reading Lamp Bulb Replacement»(ref-200366-S01383190372005102000000) in Lighting Systems.

1. Open and support the hood.
2. Remove the grille. Refer to «Grille Replacement (Envoy, Envoy XUV)»(ref-200387-S13203650082005102000000) or «Grille Replacement (TrailBlazer)»(ref-200387-S07007051252005102000000) or «Grille Replacement (Rainier)»(ref-200387-S33108349192005102000000) in Exterior Trim.
3. Pull up on the retaining tabs (1) in order to remove the headlamp assembly from the headlamp panel.
4. Disconnect the headlamp leveling electrical connector from the motor/actuator if equipped.
5. Disconnect the headlamp electrical connector (2) from the headlamp assembly.
6. Remove the side marker socket (4) from the headlamp assembly.
7. Remove the park/turn socket (3) from the headlamp assembly.
8. Remove the headlamp assembly from the headlamp panel.

1. Position the headlamp assembly to the headlamp panel.
2. Index and seat the tabs on the park/turn socket (3) to the headlamp assembly.
3. Index and seat the tabs on the side marker socket (4) to the headlamp assembly.
4. Connect the headlamp electrical connector (2).
5. Connect the headlamp leveling electrical connector to the motor/actuator if equipped.
6. Align and install the 4 locator pins on the back of the headlamp assembly into the retaining tab holes.
7. Push down on the retaining tabs (1) in order to lock the headlamp assembly into the headlamp panel.
8. Install the grille. Refer to «Grille Replacement (Envoy, Envoy XUV)»(ref-200387-S13203650082005102000000) or «Grille Replacement (TrailBlazer)»(ref-200387-S07007051252005102000000) or «Grille Replacement (Rainier)»(ref-200387-S33108349192005102000000) in Exterior Trim.
9. Close the hood.

1. Open and support the hood.
2. Pull up on the retaining tabs (1) in order to remove the headlamp assembly from the headlamp panel.
3. Disconnect the headlamp electrical connector (2) from the headlamp assembly.
4. Remove the side marker socket (3) from the headlamp assembly.
5. Remove the park/turn socket (4) from the headlamp assembly.
6. Remove the headlamp assembly from the headlamp panel.

1. Position the headlamp assembly to the headlamp panel.
2. Index and seat the tabs on the park/turn socket (4) to the headlamp assembly.
3. Index and seat the tabs on the side marker socket (3) to the headlamp assembly.
4. Connect the headlamp electrical connector (2).
5. Align and install the 4 locator pins on the back of the headlamp assembly into the retaining tab holes.
6. Push down on the retaining tabs (1) in order to lock the headlamp assembly into the headlamp panel.
7. Close the hood.

1. Open and support the hood.
2. Pull up on the retaining tabs (1) in order to remove the headlamp assembly from the headlamp panel.
3. Disconnect the headlamp electrical connector (2) from the headlamp assembly.
4. Remove the park/turn socket (3) from the headlamp assembly.
5. Remove the headlamp assembly from the headlamp panel.

1. Position the headlamp assembly to the headlamp panel.
2. Index and seat the tabs on the park/turn socket (3) to the headlamp assembly.
3. Connect the headlamp electrical connector (2).
4. Align and install the 4 locator pins on the back of the headlamp assembly into the retaining tab holes.
5. Push down on the retaining tabs (1) in order to lock the headlamp assembly into the headlamp panel.
6. Close the hood.

Note. Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood.
2. Remove the access cover from the rear of the headlamp.
3. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
4. Disconnect the electrical connector from the socket.

1. Connect the electrical connector to the socket.
2. Position the bulb and socket to the headlamp.
3. Install the bulb and socket to the housing by rotating the bulb and socket clockwise, locking the retaining tabs to the housing.
4. Install the access cover to the rear of the headlamp assembly

Note. Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood.
2. Remove the headlamp. Refer to «Headlamp Replacement (TrailBlazer)»(ref-200366-S39481229592005102000000) or «Headlamp Replacement (Envoy, Envoy XUV)»(ref-200366-S08567576802005102000000) or «Headlamp Replacement (Rainier)»(ref-200366-S33052473402005102000000) .
3. Remove the access cover from the rear of the headlamp.
4. Disconnect the electrical connector from the socket.
5. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.

1. Connect the electrical connector to the socket.
2. Install the bulb and socket to the housing by rotating the bulb and socket clockwise, locking the retaining tabs to the housing.
3. Install the access cover to the rear of the headlamp assembly
4. Install the headlamp. Refer to «Headlamp Replacement (TrailBlazer)»(ref-200366-S39481229592005102000000) or «Headlamp Replacement (Envoy, Envoy XUV)»(ref-200366-S08567576802005102000000) or «Headlamp Replacement (Rainier)»(ref-200366-S33052473402005102000000) .

1. Remove the fog lamp bulb and socket. Refer to «Fog Lamp Bulb Replacement - Front»(ref-200366-S26957669342005102000000) .
2. Remove the 2 push-pins (1) that retain the fog lamp to the fog lamp bracket.
3. Remove the aim adjustment screw (2) from the fog lamp.
4. Remove the fog lamp from the fog lamp bracket.

1. Position the fog lamp to the fog lamp bracket.
2. Install the 2 push-pins (1) that retain the fog lamp to the fog lamp bracket.
3. Install the aim adjustment screw (2) to the fog lamp.
4. Install the fog lamp bulb and socket. Refer to «Fog Lamp Bulb Replacement - Front»(ref-200366-S26957669342005102000000) .
5. Aim the fog lamp(s). Refer to «Fog Lamp Aiming Procedure»(ref-200366-S17189970892005102000000) .

1. Remove the fog lamp bulb and socket. Refer to «Fog Lamp Bulb Replacement - Front»(ref-200366-S26957669342005102000000) .
2. Remove the 3 nuts that retain the fog lamp to the fascia (2).
3. Remove the fog lamp from the fascia.

1. Install the fog lamp to the fascia (2).
2. Install the 3 fog lamp retaining nuts. Tighten: Tighten the nuts to 10.0 N.m (88 lb in).
3. Install the fog lamp bulb and socket. Refer to «Fog Lamp Bulb Replacement - Front»(ref-200366-S26957669342005102000000) .
4. Aim the fog lamp(s). Refer to «Fog Lamp Aiming Procedure»(ref-200366-S17189970892005102000000) .

1. Turn the fog lamp switch to the OFF position.
2. Rotate the bulb socket counter clockwise in order to release the socket from the fog lamp housing.
3. Remove the socket from the fog lamp housing (2).
4. Remove the bulb from the socket.

1. Install the bulb to the socket.
2. Index the tabs on the bulb socket to the slots in the fog lamp housing.
3. Install the socket to the fog lamp housing (2).
4. Rotate the socket clockwise until fully seated.

1. Open the hood.
2. Remove the headlamp. Refer to «Headlamp Bulb Replacement (TrailBlazer)»(ref-200366-S19604894022005102000000) or «Headlamp Bulb Replacement (Envoy, Envoy XUV, Rainier)»(ref-200366-S27604584412005102000000) .
3. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
4. Remove the side marker bulb (3) or turn signal/park bulb (4) from the socket.

1. Install the side marker bulb (3) or turn signal/park bulb (4) to the socket.
2. Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
3. Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
4. Install the headlamp. Refer to «Headlamp Bulb Replacement (TrailBlazer)»(ref-200366-S19604894022005102000000) or «Headlamp Bulb Replacement (Envoy, Envoy XUV, Rainier)»(ref-200366-S27604584412005102000000) .
5. Close the hood.

1. Open the hood.
2. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
3. Remove the side marker bulb (4) or turn signal/park bulb (3) from the socket.

1. Install the side marker bulb (4) or turn signal/park bulb (3) to the socket.
2. Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
3. Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
4. Close the hood.

1. Open the hood.
2. Remove the headlamp. Refer to «Headlamp Bulb Replacement (TrailBlazer)»(ref-200366-S19604894022005102000000) or «Headlamp Bulb Replacement (Envoy, Envoy XUV, Rainier)»(ref-200366-S27604584412005102000000) .
3. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
4. Remove the turn signal/park bulb (3) from the socket.

1. Install the turn signal/park bulb (3) to the socket.
2. Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
3. Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
4. Install the headlamp. Refer to «Headlamp Bulb Replacement (TrailBlazer)»(ref-200366-S19604894022005102000000) or «Headlamp Bulb Replacement (Envoy, Envoy XUV, Rainier)»(ref-200366-S27604584412005102000000) .
5. Close the hood.

1. Remove the bulb socket from the cornering lamp.
2. Release the forward retaining tab (1) from the fascia.
3. Remove the rearward retaining tab (2) from the fascia.
4. Remove the cornering lamp from the vehicle.

1. Position the cornering lamp to the fascia.
2. Install the rearward retaining tab (2) to the fascia.
3. Secure the forward retaining tab (1) to the fascia.
4. Install the bulb socket to the cornering lamp.

1. Push the retaining tab inward and rotate the socket counterclockwise.
2. Remove the socket from the cornering lamp housing (1).
3. Remove the bulb from the socket.

1. Install the bulb into the socket.
2. Index the socket tabs to the cornering lamp housing slots.
3. Position the socket into the cornering lamp housing (1).
4. Rotate the socket clockwise until the locking tab is fully seated.

1. Push the retaining tab inward and rotate the socket counterclockwise.
2. Remove the socket from the cornering lamp housing (1).
3. Remove the bulb from the socket.

1. Install the bulb into the socket.
2. Index the socket tabs to the cornering lamp housing slots.
3. Position the socket into the cornering lamp housing (1).
4. Rotate the socket clockwise until the locking tab is fully seated.

1. Turn OFF the headlamp switch.
2. Remove the push-pin.
3. Insert a small flat bladed tool under the rear edge of the lens and pry upward.
4. Remove the lens by pulling rearward.
5. Twist the bulb counterclockwise to remove.

1. Insert the bulb into the bulb socket and twist clockwise to install.
2. Insert the forward edge of the lens into the opening and press the rear edge downward to install.
3. Install the push-pin.

1. Remove the end gate window reveal molding. Refer to «Molding Window Reveal Replacement - Endgate»(ref-200387-S19426786672005102000000) in Exterior Trim.
2. Remove the 3 nuts retaining the high mounted stop lamp to the reveal molding.

1. Install the high mounted stop lamp to the end gate reveal molding.
2. Install the 3 nuts that retain the high mounted stop lamp to the reveal molding. Tighten: Tighten the nuts to 2.5 N.m (22 lb in).
3. Install the end gate window reveal molding. Refer to «Molding Window Reveal Replacement - Endgate»(ref-200387-S19426786672005102000000) in Exterior Trim.

1. Open the liftgate.
2. Lower the rear portion of the headliner by releasing the 2 headliner retaining pins.
3. Disconnect the high mount stop lamp electrical connector (2).
4. Remove the grommet (1) from the body.
5. Close the liftgate.
6. Open the liftgate window.
7. Remove the 2 screws that retain the high mount stoplamp to the lift gate window reveal molding.
8. Remove the high mount stop lamp from the vehicle.

1. Install the high mount stop lamp to the lift gate window reveal molding, ensuring the center retaining tab is fully seated.
2. Install the 2 screws that retain the high mount stop lamp to the lift gate window reveal molding. Tighten: Tighten the 2 retaining screws to 2.5 N.m (22 lb in).
3. Close the liftgate window.
4. Open the liftgate.
5. Install the grommet (1) to the body.
6. Connect the high mount stoplamp electrical connector (2).
7. Attach the rear portion of the headliner to the roof panel, by seating the 2 headliner retaining pins.
8. Position the lift gate opening weatherstrip over the headliner.

1. Insert a flat-bladed tool into the slot located at the bottom of the cargo lamp lens.
2. Using the tool, carefully apply upward pressure to the cargo lamp. The upward pressure will cause the snap feature (1) to flex.
3. While maintaining the upward pressure. Remove the lower portion of the cargo lamp from the body trim panel.
4. Remove the upper portion of the cargo lamp from the trim panel.
5. Rotate the bulb socket and remove the socket from the cargo lamp.
6. Remove the cargo lamp from the vehicle.

1. Position the cargo lamp to the trim panel.
2. Install the bulb socket until fully seated to the cargo lamp.
3. Install the locating tab located at the bottom of the cargo lamp to the trim panel.
4. Push the upper portion of the cargo lamp into the trim panel ensuring the snap feature (1) is fully seated.

1. Remove the backup lamp socket.
2. Remove the 2 nuts that retain the backup lamp to the fascia.
3. Remove the back up lamp from the fascia.

1. Install the back up lamp to the fascia.
2. Install the 2 backup lamp retaining nuts. Tighten: Tighten the nuts to 10.0 N.m (88 lb in).
3. Install the backup lamp socket.

1. Push the retaining tab (1) inward and rotate the socket counterclockwise.
2. Remove the socket from the backup lamp housing.
3. Remove the bulb from the socket.

1. Install the bulb into the socket.
2. Index the socket tabs to the backup lamp housing slots.
3. Position the socket to the backup lamp housing.
4. Rotate the socket clockwise until the retaining tab (1) is fully seated.

1. Remove the 2 screws that retain the license lamp lens to the liftgate.
2. Remove the license lamp lens from the liftgate.
3. Remove the bulb (1) from the socket.

1. Install the bulb (1) to the socket.
2. Wipe the bulb to ensure the bulb is free of dirt or oil.
3. Position the license lamp lens to the liftgate.
4. Verify that the license lamp lens gasket is fully seated to the liftgate.
5. Install the 2 license lamp lens retaining screws. Tighten: Tighten the screws to 1.4 N.m (12 lb in).

1. Remove the 2 screws that retain the tail lamp assembly to the body.
2. Pull the assembly directly rearward in order to release the 2 locking pins.
3. Disconnect the tail lamp electrical connector.
4. Remove the lamp assembly from the vehicle.
5. Remove the tail lamp circuit board. Refer to «Tail Lamp Circuit Board Replacement»(ref-200366-S10325818932005102000000) .

1. Install the tail lamp circuit board. Refer to «Tail Lamp Circuit Board Replacement»(ref-200366-S10325818932005102000000) .
2. Connect the tail lamp electrical connector.
3. Push the tail lamp assembly directly forward in order to seat the 2 locking pins.
4. Install the 2 tail lamp assembly retaining screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).

1. Remove the tail lamp assembly. Refer to «Tail Lamp Replacement»(ref-200366-S32363909752005102000000) .
2. Remove the tail lamp circuit board. Refer to «Tail Lamp Circuit Board Replacement»(ref-200366-S10325818932005102000000) .
3. Place the tail lamp assembly onto a clean prepared surface.
4. Pull the bulb straight out in order to remove the tail lamp bulb from the socket assembly.

1. Install the tail lamp bulb to the tail lamp circuit board.
2. Ensure the bulbs are wiped clean and free of any oil or dirt.
3. Install the tail lamp to the vehicle. Refer to «Tail Lamp Replacement»(ref-200366-S32363909752005102000000) .
4. Check the bulbs for proper operation.

1. Remove the tail lamp. Refer to «Tail Lamp Replacement»(ref-200366-S32363909752005102000000) .
2. Remove the 2 tail lamp circuit board retaining screws.
3. Simultaneously release the bottom 4 locking tabs and partially remove the tail lamp circuit board.
4. Release the top 2 locking tabs and remove the tail lamp circuit board from the tail lamp assembly.
5. Remove the bulbs from the tail lamp circuit board.

1. Install the bulbs to the tail lamp circuit board.
2. Position the tail lamp circuit board to the tail lamp.
3. Hold the top 2 locking tabs apart while pushing the tail lamp circuit board into place.
4. Hold the bottom 4 locking tabs apart while pushing the tail lamp circuit board into place.
5. Verify that the circuit board is fully seated with the locking tabs fully seated.
6. Install the 2 tail lamp circuit board retaining screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
7. Install the tail lamp. Refer to «Tail Lamp Replacement»(ref-200366-S32363909752005102000000) .

1. Remove the side marker (2) and cornering lamp (1) sockets from the side marker.
2. Release the side marker retaining ear (1) from the fascia.
3. Remove the side marker retaining stem (2) from the fascia.
4. Remove the side marker from the fascia.

1. Install the side marker to the fascia.
2. Install the side marker retaining stem (2) to the fascia.
3. Seat the side marker retaining ear (1) to the fascia.
4. Install the side marker (2) and cornering lamp (1) sockets to the side marker.