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My 1999 GMC Jimmy 4X4 does not engage when I put the button on HI 4X4 or Low 4X4. What is the problem' When I engage the 4X4. Then where should I go to fix the problem. Thank you
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Sounds like the transfer case motor is going out or bad, i know the trucks have a 4x4 engagement motor on the front differential which engages the front axles. i am not sure how yours is setup, you will have one or the other.
First and foremost can you tell me if the lights are showing up on the 4x4 selector switch ?
Second if they are illuminated ( should be in 2-Hi ) when you select to go into 4-Hi or 4-Low does the selection flash?
And Lastly can you hear a sound of any type (clicking, ticking, thumping)
when you push the button?
do the lights work on selector buttons if so check actuator on transfer case may be bad or replace selector switch i just did and my four wheel drive works sometimes
The 4x4 actuator located on the front axel/tranny transfer case is probably faulty. Make sure the electrical connector that goes to it isn't damaged. Should be a easy fix.
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