Question about 1999 GMC Sierra

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My 4x4 truck is stuck in 4hi n wont go back in 2hi

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This sounds like a bad selector motor on the transfer case,try in nuetral and at a stop, if still wont go then i would say the selector or switch is bad, remove the motor and see if it move when out of transfer case, also be fore removing test for power when selecting 4 hi,if its getting power then the motor is bad if there no power then it may be the switch.

Posted on Aug 31, 2010

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Posted on Jan 02, 2017

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SOURCE: 99 chevy s-10 4x4 (push button) stuck in 4hi

do you have to truck in neutrul when trying to swtich back. some models you need to put it into 4 low then into 2 hi.

Posted on Aug 23, 2009

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