| Subject: | Dome Lights May Not Come On or Buzz Noise When Turning on Dome Lamps (Rework Dome Lamp Wiring Harness and Reprogram BCM) | 
| Models: | 2008 Chevrolet Express | 
 | with Ambulance Upfitter Sales Package (RPO YF2) | 
 
Condition
Some customers may comment that the interior dome lights may not come on. Other customers may also comment on a buzz noise when trying to turn on the dome lamps.
Correction
- Locate and gain access to Fuse Block Body Connector X2 (62-Way Gray Connector) (8). Refer to Electrical Center Identification Views in SI.
 
- Remove the Brown Wire (CKT 441) from pin 25.
 
- Splice the Brown Wire (CKT 441) to the Blue/White Wire (CKT 149) found in pin 18 of the connector. Refer to Splicing Copper Wire Using Splice Sleeves in SI.
 
- Remove the right front windshield garnish molding. Refer to Windshield Garnish Molding Replacement in SI.
 
- Remove the Brown Wire (CKT 441) from in-line Front Headliner Harness to Body Harness Connector X205 (16-Way Black Connector) (2) in illustrations shown above from Cavity A and install into Cavity H.
 
- Install the right front windshield garnish molding. Refer to Windshield Garnish Molding Replacement in SI.
 
- Reprogram the BCM with the latest software available in TIS2WEB. 
 
- Verify that the condition has been corrected.
 
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation 
 | Description 
 | Labor Time 
 | 
N9581* 
 | Rework Dome Lamp Wiring Harness and Reprogram BCM 
 | 1.5 hrs 
 | 
*This labor operation number is for bulletin use only. This number will not be published in the Labor Time Guide. 
 |