i have a 97 blazer with the 3 button switch yesterday it went into 4 hi fine but will not come out, it did switch to 2 hi once but went back into 4 hi by itself and now will not come out ,when you push 2 hi you hear a couple clicks HELP !!!

 

Tech Article (DIY) Index --> Common 4x4 Problems

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It happens to me to!
The problem is on installation, which goes down to the engine that switches the drive, the water enters in Jack and contacts are not good!