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Re: 1997 Chevy Blazer 4x4 Problems
If a 233 transfer case you can ground pin 13 on the diagnostic conector as and read codes on the shift lights.
If any codes post back codes.
There are four codes 1-2-3-4.
Is it getting power and all fuses good.
Does the shift buttion lights come on for a bulb check.
And keep in mind the 97 is a bad year on ign switches.
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Remember proper testing gives us the answer to many problems.
MT
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