Hummer H3. Manual — part 1434

FOG LAMP AIMING

Preparation Procedure

1. Completely assemble all of the components on the vehicle.

2. Place the vehicle on a level surface.

3. Stop all unnecessary operations or work that could affect the ride height of the vehicle.

4. Close the doors and verify that the luggage compartment is empty.

5. Stabilize the suspension by rocking the vehicle sideways.

6. Ensure that the fuel level is full.

7. Ensure that the tires are inflated to the proper pressure.

8. Ensure that the driver or a similar weight, approximately 75 kg (165 lb), is in the vehicle

driver seat.

Aiming Procedure

Tighten: Tighten the screws to 2.0 N.m (18 lb in)

2

Rear Fog Lamp Assembly
Tip: Pull the lamp assembly from the rear bumper impact bar extension
assembly and disconnect the electrical harness connector from the lamp
assembly.

IMPORTANT: Horizontal aim is not adjustable on this vehicle. Vertical aim is

done by an adjusting nut located on the rear of the fog lamp. Prior
to aiming the fog lamps, perform the following steps:

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

Fig. 107: Locating Alignment Points On Target Screen
Courtesy of GENERAL MOTORS CORP.

1. Park the vehicle 7.6 m (25 ft) away from the target screen.

2. Measure from the center of the fog lamp to the ground line. Using this measurement, mark

the horizontal centerline (2) of the fog lamp on the target screen directly in front of the
vehicle.

3. The adjustment hole is located in the front fascia just above the fog lamp assembly.

4. Turn ON the fog lamps. The top of the fog lamp beam image (4) on the target screen should

be 102 mm (4 in) below the center of the fog lamp lens height.

5. Adjust the fog lamp as required using the adjusting screw at the bottom side of the fog lamp

assembly.

6. Turn OFF the fog lamps.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

OFF ROAD LAMP PACKAGE INSTALLATION

1. Follow the Wiring Systems sub-section for splicing wires using splice sleeves. Refer to

Splicing Copper Wire Using Splice Sleeves .

2. Remove the ground terminal of the battery. Refer to Battery Negative Cable

Disconnection and Connection .

3. Ensure the vehicle is in the park (P) position.

4. Apply park brake.

Fig. 108: Pressing Inward At Sides Of Radio Trimplate
Courtesy of GENERAL MOTORS CORP.

5. Using a flat-bladed tool, press inward at the sides of the radio trimplate in order to release

the clips.

6. Press in on both sides if the trimplate just below the HVAC vents.

7. Gently remove the trimplate.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

Fig. 109: Locating Switch Plug
Courtesy of GENERAL MOTORS CORP.

8. Remove the switch plug next to the auxiliary power outlet by flexing open the retention

walls on the back of the trimplate and pushing the plug from the front of the trimplate at the
same time.

9. Snap the switch into the open position from the rear of the trimplate.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3