Hoping you guys can help me diagnose this.
I have a 99 blazer that has the electronic switched 4x4. (it has auto,4 lo, 4 hi, and 2hi). Slowly the system stoped switching. A first it would go into 4 high when you hit the 4 auto button. After months or so it just stoped all together. I seem to recal hearing switch under the dash when it was working. It no longer works at al anymore. The service 4x4 light is on. I talked to a dealership an they say it could be a number of different things. Specifically th control module, solenoid encoder, transfer case motor. I think th module in under the dash, but im not sure about the others. My proble is these parts are not returnable because they are electrical. Can yo guys give me some tips to narrow down this problem?
Thanks,
Mik
-- meste
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