Hummer H3. Manual — part 1608

Fig. 5: Lumbar Adjuster/Heater Switch - Driver (AG1) Connector End View
Courtesy of GENERAL MOTORS CORP.

Driver Heated/Cooled Seat Connector Parts Information

Connector Part Information

OEM: 12045688

Service: 12101827

Description: 8-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

Pins: A-C

Terminal/Tray: 12059894/5

Core/Insulation Crimp: See Terminal Kit

Release Tool/Test Probe: See Terminal Kit

Pins: E-H

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Seat Heating and Cooling - H3

Driver (AG1) Lumbar Adjuster/Heater Switch Connector Terminal Identification

Lumbar Adjuster/Heater Switch - Passenger (AG2)

Terminal/Tray: 12047581/2

Core/Insulation Crimp: E/A

Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

2050

Ground

B

PK

1501

Driver Heated Seat High/Low Signal

C

BN

141

Ignition 3 Voltage

D

-

-

Not Used

E

BK

2050

Ground

F

D-BU

611

Driver Seat Lumbar Motor Forward
Control

G

PK

610

Driver Seat Lumbar Motor Rearward
Control

H

OG

1040

Battery Positive Voltage

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Seat Heating and Cooling - H3

Fig. 6: Lumbar Adjuster/Heater Switch - Passenger (AG2) Connector End View
Courtesy of GENERAL MOTORS CORP.

Passenger Heated/Cooled Seat Connector Parts Information

Connector Part Information

OEM: 12045688

Service: 12101827

Description: 8-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

Pins: A-D

Terminal/Tray: 12059894/5

Core/Insulation Crimp: See Terminal Kit

Release Tool/Test Probe: See Terminal Kit

Pins: E-H

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Seat Heating and Cooling - H3

Passenger (AG2) Lumbar Adjuster/Heater Switch Connector Terminal Identification

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC STARTING POINT - SEATS

Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the
Description and Operation information will help you determine the correct symptom diagnostic
procedure when a malfunction exists. Reviewing the Description and Operation information will
also help you determine if the condition described by the customer is normal operation. Refer to
Symptoms - Seat Heating and Cooling in order to identify the correct procedure for
diagnosing the system and where the procedure is located.

SYMPTOMS - SEAT HEATING AND COOLING

Visual/Physical Inspection

Inspect for aftermarket devices which could affect the operation of the heated seat system.

Terminal/Tray: 12047581/2

Core/Insulation Crimp: E/A

Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

2050

Ground

B

PK

1501

Passenger Heated Seat High/Low
Signal

C

BN

341

Ignition 3 Voltage

D

L-BU

2179

Seat Belt Switch - Right Signal

E

BK

2050

Ground

F

D-BU

611

Driver Seat Lumbar Motor Forward
Control

G

PK

610

Passenger Seat Lumbar Motor
Rearward Control

H

OG

1040

Battery Positive Voltage

IMPORTANT: Review the system description in order to familiarize yourself

with the system functions. Refer to Heated Seats Description and
Operation.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Seat Heating and Cooling - H3