One problem related to wiring has been reported for the 2008 Chevrolet Colorado. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet Colorado based on all problems reported for the 2008 Colorado.
Driver side back door wiring harness between door and frame. 3 wires are broken inside boot. This is second time this has happened. Lasted 3 years. I have pictures. Part number 15214393 June 10 2012 air bag light on dash. Onstar told me that seat belt tensioner was not operating, and air bag will not deploy until it is corrected. Found that driver side back door that 2 wires were broken in the harness in the between door and body in boot. Gm part number 15214393. I have pictures. This is a problem and still no recall. No air bags till fixed.