Posted by omahagreg on January 17, 2008 at 17:22:17 from (24.252.36.4):
We have an 02 Trailblazer which has the electric switch on the dash to select 4wd. Yesterday-as the snow was starting to fall, and 6 total was predicted-my daughter tells me the 4wd is not working. I asked her if the indicator lights were on around the switch, she said they were not. Figured it to be a fuse, so I go out and remove one of the 2 fuse panel covers and found one marked 4wd, but it was not blown. Came inside and googled some specifics, and found a forum which mentioned 3 possible other fuses to check for that exact symptom. No problem with them either. Googled it again, came across a GM service tech bulletin, which, of course, says it is not for the 'backyard' mechanic, but for their use only. Anyway, it mentions the possiblity that it has lost communication with the transfer case, and to pull the ATC (automatic traction control) fuse, wait 30 seconds, and this should restore communication. It worked! Now I know why I was not supposed to use that information-my chevy dealer just loss $100 to count to 30! Greg
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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