Hummer H3. Manual — part 1440

Fig. 129: View Of BEC Cover
Courtesy of GENERAL MOTORS CORP.

85. Position the cover (1) over the 4 lock tabs (2). Ensure the appropriate wire routing to avoid

trapping wires.

86. Press the cover downward and listen for an audible snap.

87. Install the battery vent tube.

88. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and

Connection .

89. Remove the lamp covers.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

90. Press the lamp switch and verify the lamps are working.

91. Adjust the lamps, if needed. Refer to Off Road Lamp Adjustment.

92. Place the vehicle in park transmission position.

93. Disengage the park brake.

OFF ROAD LAMP BULB REPLACEMENT

Removal Procedure

Fig. 130: Identifying Fastener Covers
Courtesy of GENERAL MOTORS CORP.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

1. Remove the 6 fastener covers by inserting a flat-bladed tool into the slot on the passengers

side of each cover and gently lifting upward.

2. Using a T25 Torx driver, loosen the six bolts (1) under the fastener covers.

3. Rotate the lightbar rearward so that the light bar is laying upside down on the roof.

4. Remove the bulb socket from the lamp assembly by rotating 1/4 turn counterclockwise.

5. Pull the bulb outward from the lamp socket.

6. Replace the bulb.

Installation Procedure

1. Install the bulb socket into the lamp assembly by rotating 1/4 turn clockwise.

2. Rotate the light bar to the correct orientation.

3. Install the fasteners.

Tighten: Tighten the fasteners to 4.5 N.m (30 lb in).

4. Install the 6 fastener covers by aligning the tab to the drivers side and gently pressing inward

into place.

OFF ROAD LAMP ADJUSTMENT

Adjustment Procedure

1. Insert the flat, angled end of the adjustment wrench into the depressions on the outboard

edges of the covers.

2. Gently press forward to pry the covers off.

3. With the covers off and the roof lamps off, insert a 10 mm hex wrench between the outboard

edge of the lamp and housing onto the adjustment screw.

4. Loosen the adjustment screw.

5. Rotate the lamp up or down to the desired position.

6. Tighten the adjustment screw.

7. Inspect the backside of the cover for RH or LH designation molded into the plastic. the RH

cover goes on the passenger side and the LH goes on the driver side.

8. Slide the end with the long hook and O-ring into the lamp housing on the inboard side of the

lamp.

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3

9. Press the end with the two short tabs into the outboard side until you hear an audible snap.

DAYTIME RUNNING LAMP BULB REPLACEMENT

Fig. 131: Daytime Running Lamp Bulb Replacement
Courtesy of GENERAL MOTORS CORP.

Daytime Running Lamp Bulb Replacement

POSITION LAMP BULB REPLACEMENT

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications.

Preliminary Procedure

1. Remove either the RH or LH front wheelhouse panel. Refer to Wheelhouse Panel

Replacement (Front) or Wheelhouse Panel Replacement (Rear) .

2. Disconnect the electrical connector to the daytime running lamp (DRL) bulb socket.

1

Daytime Running Lamp Bulb Socket
Tip: Twist the lamp socket counterclockwise to remove.

2

Daytime Running Bulb

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Lighting - H3