Our 2007 Chevy Tahoe 4 X 4 recently displayed a “Service Four Wheel Drive” panel light a couple of days ago (upon ignition on a sunny, dry day). The light had been steady which, when we read the owners manual, indicates a problem but no immediate service required. One of the possible solutions wa…

Four Wheel Drive Service light

Barkydog December 23, 2012, 3:48am 3

In the 2003 trailblazer cleaning and reseating the Electric plug on the tranny was one solution.