Hummer H2. Manual — part 2141

Turn Signal/Multifunction Terminal Identification Switch - C1

Turn Signal/Multifunction Terminal Identification Switch - C2

3

BN

230

Steering Wheel Switch Dimming Control

4

-

-

Not Used

5

BK

1851

Ground

6

L-GN

1011

Remote Radio Control Signal

Connector Part Information

z

12064862

z

8-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

1427

Right Turn Signal Switch Signal

B

PK

639

Ignition 1 Voltage

C

D-GN

1428

Left Turn Signal Switch Signal

D-F

-

-

Not Used

G

BK/YE

28

Horn Relay Control

H

WH

111

Hazard Switch Signal

2004 Hummer H2

2004 STEERING Steering Wheel and Column - Hummer H2

Turn Signal/Multifunction Terminal Identification Switch - C3

Turn Signal/Multifunction Terminal Identification Switch - C4

Connector Part Information

z

15339058

z

7-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

G

-

-

Not Used

H

PK

94

Windshield Washer Switch Signal

J

GY

478

Windshield Wiper Switch Supply Voltage

K

D-BU/

WH

477

Windshield Wiper Switch High Signal

L-N

-

-

Not Used

Connector Part Information

z

12059800

z

5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1851

Ground

B

YE/BK

307

Headlamp Switch Flash to Pass Signal

C

L-GN

11

Headlamp High Beam Supply Voltage

D-E

-

-

Not Used

2004 Hummer H2

2004 STEERING Steering Wheel and Column - Hummer H2

DIAGNOSTIC INFORMATION AND PROCEDURES

SYMPTOMS - STEERING WHEEL AND COLUMN

Review the system description and operation in order to familiarize yourself with the system functions. Refer to
Steering Wheel and Column Description and Operation .

Visual/Physical Inspection

z

Inspect for aftermarket devices which could affect the operation of the steering wheel and column.

z

Inspect the easily accessible or visible system components for obvious damage or conditions which could
cause the symptom.

Symptoms List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

z

Steering Column Tilt Function Inoperative

z

Ignition Can/Cannot Be Turned Off with Transmission in Any Gear

z

Lock System Does Not Unlock

z

Lock System Does Not Lock

Connector Part Information

z

12047786

z

4-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

41

Ignition 3 Voltage

B

GY/WH

397

Cruise Control On Switch Signal

C

GY/BK

87

Cruise Control Resume/Accel Switch Signal

D

D-BU

84

Cruise Control Set/Coast Switch Signal

2004 Hummer H2

2004 STEERING Steering Wheel and Column - Hummer H2

z

Lock System Sticks in Start

z

Key Cannot Be Removed in the Off Lock Position

z

High Lock Effort

z

Noise in Steering Column

z

Looseness in Steering Column

STEERING COLUMN TILT FUNCTION INOPERATIVE

Steering Column Tilt Function Inoperative

IGNITION CAN/CANNOT BE TURNED OFF WITH TRANSMISSION IN ANY GEAR

Step

Action

Yes

No

1

Did you review the Steering Wheel and Column - Tilt
Description and Operation and perform the necessary
inspections?

Go to

Step 2

Go to Symptoms -

Steering Wheel and

Column

2

Verify that the steering column tilt function is inoperative.
Does the steering column tilt function operate normally?

System

OK

Go to Step 3

3

Verify that the shoe is not seized on the pivot pin.
Is the shoe seized on the pivot pin?

Go to

Step 9

Go to Step 4

4

Inspect the shoe grooves for dirt, burrs, or rust.
Are the shoe grooves free of dirt, burrs, and rust?

Go to

Step 9

Go to Step 5

5

Inspect weak or broken shoe lock spring.
Is the shoe lock spring weak or broken?

Go to

Step 9

Go to Step 6

6

Inspect the pivot pins for binding.
Are the pivot pins binding?

Go to

Step 10

Go to Step 7

7

Inspect for a weak or broken wheel tilt spring.
Is the wheel tilt spring weak or broken?

Go to

Step 11

Go to Step 8

8

Inspect the steering column wiring harness for tightness.
Is the steering column wiring harness too tight?

Go to

Step 12

Go to Step 3

9

Replace the tilt head. Refer to Steering Column Tilt Head
Housing Replacement .
Is the repair complete?

Go to

Step 13

-

10

Replace the pivot pins. Refer to Steering Column Tilt
Head Housing Replacement .
Is the repair complete?

Go to

Step 13

-

11

Replace the tilt spring. Refer to Tilt Spring Replacement .
Is the repair complete?

Go to

Step 13

-

12

Reroute the steering column wiring harness to the correct
location.
Is the steering column wiring harness routed properly?

Go to

Step 13

-

13

Operate the steering column tilt function in order to verify
the repair.
Did you correct the condition?

System

OK

Go to Step 3

2004 Hummer H2

2004 STEERING Steering Wheel and Column - Hummer H2