Hummer H1 (2006+). Manual - part 289

10-18 Body

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Crash pad Replacement (Right Side)

Removal

1.

Remove the upper crash pad. 

2.

Remove the three screws securing the right side pad trim panel (Figure  10-14).

3.

Remove the three screws securing the right side close-out panel.

4.

Lower the panel, disconnect the floor vent hose and courtesy light.

5.

Remove the four screws securing the right side crash pad and remove the pad.

Installation

1.

Slide the demister hoses through the holes in the crash pad.

2.

Attach the right side crash pad with the four screws.

3.

Install the right side crash pad trim panel with the three screws.

4.

Connect the floor vent hose, and courtesy light to the close-out panel.

5.

Secure the lower close-out panel to the right side crash pad. 

6.

Install the upper crash pad.

Center Dash Assembly Replacement

Removal

1.

Remove the upper crash pad.

2.

Remove the four screws securing the radio bezel and the bezel.

3.

Remove the CTIS air lines from the gauge.

4.

Disconnect the CTIS switches at the sixteen way connector.

5.

Remove the radio.

6.

Remove the HVAC control head. 

7.

Remove the three screws securing the right side crash pad trim panel and trim panel.

8.

Remove the drivers power window switch assembly.

9.

Remove the screws securing the center console, so it can be moved toward the rear of the vehicle enough to get the center dash
assembly out.

10. Remove the remaining five screws securing the center dash assembly and dash.

Installation

1.

Install the center dash assembly and secure with the five screws.

2.

Install the center console.

3.

Install the drivers power window switch assembly and secure with the four screws.

4.

Install the right side crash pad trim panel and secure with the three screws.

5.

Install the radio.

6.

Install the HVAC control head.

7.

Install the CTIS air lines and the CTIS sixteen way connector.

8.

Install the radio bezel.

9.

Install the upper crash pad.

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 Body  10-19

Gauge Module Replacement

NOTE: Gauge module replacement is basically the same for all instrument panel gauges.

Removal

1.

Remove the eight allen screws and bezel around the gauge modules.

2.

Remove the four retaining screws securing the gauge module.

3.

Pull the gauge module out of the instrument panel far enough to expose the harness connector.

4.

Disconnect the harness connector from the gauge module.

Figure 10-15:   Module Replacement

Installation

1.

Connect the harness connector to the gauge module.

2.

Slide the module into the instrument panel and install the four retaining screws.

3.

Install the bezel and eight allen screws.

Gauge Illumination

The only serviceable portion of the gauge modules are the back lighting bulbs. There are six bulbs in this module that are used for
gauge illumination only. These bulbs are easily replaced by twisting them 1/4 turn out of the back of the circuit board on the mod-
ule.

Figure 10-16:   Illumination Bulb Replacement

GAUGE

MODULE

BULB

10-20 Body

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Instrument Panel Switch Replacement

NOTE: All the instrument panel switches are replaced similarly, with the exception of the dimmer control switch. This procedure
covers the main light switch.

CAUTION: Some connectors can be installed incorrectly and cause damage to the electrical system. Make note of connector posi-
tion prior to removal.

Removal

1.

Remove the closeout panel.

2.

Reach up behind the instrument panel and remove the connector from the switch (Figure  10-17).

3.

Push the switch from the switch housing.

Installation

1.

Install the switch in the switch housing (Figure  10-17).

2.

Install switch connector.

3.

Install the closeout panel.

Figure 10-17:   Instrument Panel Switch Replacement

Instrument Panel Dimmer Control Switch Replacement

Removal

1.

Remove the closeout panel.

2.

Reach up behind the instrument panel and disconnect the connector from the wiring harness (Figure  10-18).

3.

Push the switch from the switch housing.

Installation

1.

Install the switch in the switch housing (Figure  10-18).

2.

Install the switch connector.

3.

Install the closeout panel.

SWITCH

HOUSING

CONNECTOR

INSTRUMENT

PANEL

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 Body  10-21

Figure 10-18:   Instrument Panel Dimmer Control Switch Replacement.

Speedo/Tach Module 

Removal

1.

Remove the eight allen screws and bezel around the gauge modules.

2.

Remove the four retaining screws from the speedo/tach module.

3.

Pull the speedo/tach module out of the instrument panel far enough to expose the harness connector.

4.

Disconnect the harness connector from the module and remove the module.

Figure 10-19:   Speedo/Tach Module Removal

Installation

1.

Connect the harness connector to the speedo/tach module.

2.

Slide the module into the instrument panel and install the four retaining screws.

3.

Install the bezel and eight allen screws.

WIRING HARNESS

CONNECTOR

SWITCH

HOUSING

INSTRUMENT

PANEL

SPEEDO/TACH

MODULE