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Old 11-30-2004, 12:14 AM   #1
kegaul1
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Question 1997 GMC Jimmy stuck in 4 high.

I own a 1997 GMC Jimmy. The 4 wheel drive unit is stuck in 4 high what can i do to fix this? I have checked other Threads and have seen an encoder motor listed. when I press the dash switch I hear the motor ingage as the light flashes then it switches back to 4 high.

Thanks for help!
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Old 11-30-2004, 12:17 AM   #2
BlazerLT
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Re: 1997 GMC Jimmy stuck in 4 high.

Remove the negative battery cable from the battery.

This will reset the 4x4 system and allow you to go back to 2wd.

Then replace the encoder motor on the transfer case and don't use 4x4 until you do.
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Old 11-30-2004, 08:57 PM   #3
Bajass235
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My 97 did the same thing.
It was determined to be the actuator switch located on the side of the transmission. This I'm told is a very common failure point on Jimmys.

Good luck
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Old 12-03-2004, 09:06 PM   #4
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You should find that the vacuum switch located on the driver's side top of the transfer case will be the cause of your concern.

Hope this helps.
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Old 03-24-2015, 09:51 PM   #5
RagingMoose
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Re: 1997 GMC Jimmy stuck in 4 high.

My stepfather is having this issue and they switch under the driverside was removed and he still had this issue with it off what could it be
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