Hummer H3. Manual — part 1472

Fig. 30: View Of Backup Lamp Switch Electrical Connector & Oxygen Sensor
Courtesy of GENERAL MOTORS CORP.

2. Disconnect the backup lamp switch electrical connector (1) at the pigtail.

3. Open the tie strap securing the pigtail to the transmission.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 31: View Of Backup Lamp Switch
Courtesy of GENERAL MOTORS CORP.

4. Remove the backup lamp switch with the aluminum washer.

Installation Procedure

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 32: View Of Backup Lamp Switch
Courtesy of GENERAL MOTORS CORP.

1. Install the backup lamp switch with a NEW aluminum washer into the transmission case.

Tighten: Tighten the backup lamp switch to 44 N.m (32 lb ft).

NOTE:

Refer to Component Fastener Tightening Notice .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 33: View Of Backup Lamp Switch Electrical Connector & Oxygen Sensor
Courtesy of GENERAL MOTORS CORP.

2. Secure the pigtail to the transmission with the tie strap.

3. Connect the backup lamp switch electrical connector (1) at the pigtail.

4. Lower the vehicle.

TRANSMISSION REPLACEMENT

Tools Required

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3