Aiming Procedure Chevrolet Cab & Chassis Silverado 3500

Aiming Procedure

1. Park the vehicle on a level surface 7.6 m (25 ft) away from a wall or other flat surface.
2. Measure the distance from the floor to the center of the fog lamp.
3. Using this measurement, mark the horizontal centerline of the fog lamp on the flat surface directly in front of the vehicle.
4. Turn ON the fog lamps.
5. Reach under the rear lower edge of the front fascia in order to access the fog lamp vertical adjustment screw on the rear of the fog lamp.
6. Adjust the fog lamp so that the top edge of the fog lamp beam pattern is 100 mm (4 in) below the horizontal centerline.
7. Turn OFF the fog lamps.

1. Remove the screws from the roof marker lamp lens.
2. Remove the roof marker lamp lens.
3. Remove the bulb.

1. In order to install the bulb, push in the bulb until the bulb is seated.
2. Install the roof marker lamp lens.
3. Install the screws to the roof marker lamp lens. Tighten: Tighten the screws to 1.9 N.m (17 lb ft).

1. Remove the screws from the roof marker lamp lens.
2. Remove the roof marker lamp lens.
3. Remove the bulb.

1. In order to install the bulb, push in the bulb until the bulb is seated.
2. Install the roof marker lamp lens.
3. Install the screws to the roof marker lamp lens. Tighten: Tighten the screws to 1.9 N.m (17 lb ft).

1. Remove the screws from the roof marker lamp lens.
2. Remove the roof marker lamp lens.
3. Disconnect the electrical connector from the roof marker lamp.
4. Remove the lamp assembly.

1. Install the lamp assembly.
2. Connect the electrical connector to the roof marker lamp.
3. Install the roof marker lamp lens.
4. Install the screws to the roof marker lens. Tighten: Tighten the screws to 1.9 N.m (17 lb in).

1. Remove the screws from the roof marker lamp lens.
2. Remove the roof marker lamp lens.
3. Disconnect the electrical connector from the roof marker lamp.
4. Remove the lamp assembly.

1. Install the lamp assembly.
2. Connect the electrical connector to the roof marker lamp.
3. Install the roof marker lens.
4. Install the screws to the roof marker lamp lens. Tighten: Tighten screws to 1.9 N.m (17 lb ft).

1. Ensure the headlamp switch is in the OFF position.
2. Remove the headlamp. Refer to «Headlamp Assembly or Headlamp Bulb Replacement (Old Style)»(/chevrolet/cab-chassis-silverado-3500/2003-2012/remont/exterior-lights/#lighting-system) .
3. Remove the park/turn signal lamp assembly by pushing on the inboard retainer clip.
4. Disconnect the electrical connector from the assembly.

1. Install the electrical connector to the park/turn signal lamp assembly.
2. Install the lamp assembly.
3. Install the headlamp. Refer to «Headlamp Assembly or Headlamp Bulb Replacement (Old Style)»(/chevrolet/cab-chassis-silverado-3500/2003-2012/remont/exterior-lights/#lighting-system) .

1. Ensure the headlamp switch is in the OFF position.
2. Remove the high mounted stop lamp screws.
3. Remove the high mounted stop lamp from the vehicle.
4. Disconnect the electrical connector.

1. Connect the electrical connector.
2. Install the high mounted stop lamp to the vehicle.
3. Install the high mounted stop lamp screws. Tighten: Tighten the high mounted stop lamp screws to 2 N.m (17 lb in).
4. Inspect the operation.

1. Ensure the headlamp switch is in the OFF position.
2. Remove the lens from the lamp assembly (2).
3. Remove the bulb.

1. Install the bulb.
2. Install the lens to the lamp assembly (2).
3. Install the wiring (3) to the back of the lens assembly.

1. Ensure that the headlamp switch is in the OFF position.
2. Lower the end gate.
3. Remove the 2 screws retaining the tail/turn signal lamp assembly to the body.
4. Identify the bulb in need of replacement. The top bulb is a parking lamp and stop lamp The center bulb is a turn indicator lamp The lower bulb is a backup lamp
5. Turn the socket assembly.
6. Remove the socket assembly from the housing.

1. Turn the socket.
2. Lock the socket in place.
3. Install the tail/turn signal lamp assembly to the vehicle with the 2 screws.
4. Close the endgate.
5. Inspect the operation.