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Hummer H1 (2002+). Manual - part 209

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Electrical System 12-63

05745159

Figure 2-82: Horn Schematic

HORN RELAY

EXTERIOR
FUSE BOX

HORN

FUSE
1D
20 AMP
EXTERIOR
FUSE
BOX

460 BK

1 DB

C1-62

7 RD

6 WH

58 BK

HORN

SWITCH

00-S12-007

ADAPTER

C39-C

REMOTE

ENTRY

MODULE

BATT

7 RD

4-1-00

12-64

Electrical System

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INSTRUMENT PANEL, GAUGES, AND
SWITCHES

Instrument Panel (I.P.) Replacement

Removal

NOTE: Tag all leads prior to removal for installation. If re-
placing instrument panel, refer to procedures in this section to
remove and/or disconnect the various lamps, switches, and
gauges.

Disconnect negative battery cables (Section 12).

Remove left side crashpad.

Remove close-out panel.

Remove wiring harness close-out plate.

Remove tachometer and clock assembly from I.P. to
access right side I.P. mounting bolt.

Remove right side I.P. mounting bolt.

Remove two bolts securing I.P. to steering column.

Remove two left side I.P. mounting bolts securing I.P. to
A-pillar.

Disconnect air hose from side window defrost vent.

10. Remove I.P.

Installation

Maneuver I.P. into position between steering wheel and
firewall.

Connect air hose side window defrost vent.

Loosely install left side I.P. mounting bolts.

Loosely install I.P. to steering column mounting bolts.

Install right side I.P. mounting bolts

Tighten loosely installed bolts from steps 3 and 4.

Install tachometer and clock assembly.

Install wiring harness close-out plate.

Install close-out panel.

10. Install left side dashpad.

11. Connect negative battery cables (Section 12).

Figure 2-83: Instrument Panel Replacement

AIR

HOSE

SIDE WINDOW

DEFROST VENT

RIGHT SIDE

MOUNTING BOLT

STEERING COLUMN

MOUNTING BOLTS

LEFT SIDE

MOUNTING BOLTS

I. P. CLIPS

4-1-00

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Electrical System 12-65

05745159

Crashpad Replacement (Right Side)

Removal

Remove screw/washers, and crashpad from dashboard
(Figure 2-84).

Disconnect air hose from vent duct.

Remove screws, side window vent, and vent duct from
crashpad.

Installation

Secure vent duct and window vent to crashpad with screws
(Figure 2-84).

Connect air hose to vent duct.

Secure crashpad to dashboard with screw/washers.

Figure 2-84: Crashpad Replacement

Crashpad Replacement (Left Side)

Removal

Remove screw/washers from top of crashpad.

Tug gently on crashpad toward steering wheel to free
crashpad clips from I. P. clips (Figures 2-83 and 2-84).

Lift vent side of crashpad and work console side (duct
nozzle) out of front console.

Installation

Work console side (duct nozzle) of crashpad into front
console plenum.

Position crashpad on edge of I. P. closest to steering wheel
and push crashpad onto I. P. clips (Figures 2-83 and 2-84).

Secure crashpad to I. P. with screw/washers.

Gauge Replacement

NOTE: Gauge replacement is basically the same for all instru-
ment panel gauges.

Removal

Remove screws and pull gauge panel away from instru-
ment panel (Figure 2-85).

Disconnect lamp connector from gauge.

NOTE: Tag all leads prior to removal for installation.

Remove nut and lockwasher assemblies securing three
leads to gauge.

Remove hold-down bracket.

Remove gauge through front of gauge panel.

Figure 2-85: Gauge Replacement

Installation

Insert gauge through front of gauge panel (Figure 2-85).

Secure hold-down bracket and lead to gauge with nut and
lockwasher assembly.

Secure leads to gauge with nut and lockwasher assemblies.

Connect lamp connector to back of gauge.

Start engine and ensure gauge operates properly.

Secure gauge panel to instrument panel with screws.

DASHBOARD

AIR HOSE

VENT

DUCT

WINDOW

VENT

CRASH PAD

(RIGHT SIDE)

CRASH PAD

(LEFT SIDE)

VENT

DUCT

CONSOLE

NOZZLE/

SIDE

I. P. CLIPS

LAMP

INSTRUMENT

LEADS

HOLD-DOWN

LEAD

GAUGE

GAUGE PANEL

PANEL

CONNECTOR

BRACKET

4-1-00

12-66

Electrical System

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Instrument Panel Indicator Lamp
Replacement

NOTE: All instrument panel indicator lamps are replaced basi-
cally the same.

Removal

Remove instrument panel.

Turn lamp socket one-quarter turn counterclockwise, and
remove socket from indicator light housing.

Pull lamp from socket (Figure 2-86).

Installation

Push lamp into socket (Figure 2-86).

Insert socket into status center and secure by turning
socket clockwise one-quarter turn.

Install instrument panel.

Start engine and ensure lamp operates properly.

Figure 2-86: Instrument Panel Indicator Light

Replacement

Instrument Panel Switch Replacement

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

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

Removal

Remove closeout panel.

Reach up behind IP and push switch from switch housing.

Remove connector from switch (Figure 2-87).

Installation

Install connector on switch (Figure 2-87).

Install switch in switch housing.

Install closeout panel.

Figure 2-87: Instrument Panel Switch Replacement

Instrument Panel Dimmer Control Switch
Replacement

Removal

Remove closeout panel.

Reach up behind instrument panel and push switch from
switch housing.

Unplug connector from wiring harness (Figure 2-88).

Figure 2-88: Instrument Panel Dimmer Control

Switch Replacement

Installation

Plug connector into wiring harness.

Install switch in switch housing (Figure 2-88).

Install closeout panel.

9-S06-015.1

BULB SOCKET

STATUS CENTER

SWITCH

HOUSING

INSTRUMENT PANEL

CONNECTOR

WIRING HARNESS

CONNECTOR

SWITCH

INSTRUMENT PANEL

HOUSING

4-1-00

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