problem with my 4WD on 2004 Chevrolet Colorado

My car was sitting for awhile and when I went to switch into either 4H or 4L it would not engage at all. I checked the fuses and nothing to indicate a problem. I am getting power to the solenoid and switch. Can someone direct me to a schematic?

by in Foxboro, MA on January 10, 2010
1 answer
ANSWER by on January 10, 2010
I don't have a schematic, but you can look at this article for some info about 4WD issues on GM vehicles: For a possible schematic, check with
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