Question about 1999 GMC Jimmy

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My 99 gmc jimmy has been locked in 4 high

Once it is locked in 4 high it stayes there and i can not get it to shift out with the dash push buttons. after a while it came out and now i am scared to use the 4wd at all due to the possibility of it being **** in 4 permanently. also lately the service 4wd light has popped on and off while im driving it. what would you think is causing this problem?

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Try to disconnect your battery for about 5 minutes and then reconnect. it might help. I have the same problem with mine and it seems to help.

Posted on Jul 25, 2009

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Posted on Jan 02, 2017

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2 Answers

I HAVE A 96 FORD F150 IT WILL NOT GO INTO 4 WHEEL DRIVE THE LIGHTS ON THE DASH LIGHT UP


This sounds like the auto locking hubs have gone out. They will sometimes make a ratcheting noise and then seize up. This time of year especially with the colder weather they will lock up when the grease gets old and hardens. The best thing to do is to replace them with a nice set of Warn manual lock-out hubs. There are some special sockets you will need to do this repair so it might be best to take this one to a shop.

Dec 27, 2013 | 1997 GMC Jimmy

1 Answer

My 99 jimmy's 4x4 will shift from time to time but not without playing with buttons and turning the vehicle on-off. I've cleaned connectors on the dash acctuator and the module behind the kick panel but...


having had siimilar issues, I found my problem to be a non functioning solonoid that is the electronic switch for shifting from 2 to 4Hi....it was located under the battery tray. My mechanic had to follow the cord to find the solonoid, and once replaced shifts fine.

Aug 25, 2010 | 1999 GMC Jimmy

3 Answers

4wd how to enguage


make sure your in nutural, or park then if you have hub locks turn them to locking position. then shift small shifter if available into 4 wheel low or high. or may have just a push button to engauge. then shift into low or high. then you may use your regular stick to shift or just shift into drive w automatic.

Jan 27, 2010 | 1998 Isuzu Rodeo

1 Answer

Shifted into four wheel drive. went to shift back in to 2 hi and now the transmisson wont shift


my 99 jimmy shifts into 4lo all the time.
1. Turn truck off
2. set parking brake
3. start truck and shift into neutral
4. push 2hi button(should shift back)
put back in park,release brake
might work for you

Dec 25, 2009 | 1998 GMC Jimmy

1 Answer

My truck is stuck in 4LO and the button in the truck dont work.


If its a push button 4x4 take it to the shop its a VERY COMMON Problem dealing with the electric.Once you pay the $400 to get it fixed get rid of the truck and settle for a Jimmy/Blazer/Bravada with a floor shift 4x4..GM had problems with the push button 4x4.DONT DRIVE YOUR TRUCK IN THE MEANTIME.YOU WILL BLOW YOUR TRANSFER CASE RIGHT OUT OF IT!

May 20, 2009 | 1998 GMC Jimmy

1 Answer

On my 2000 chevy S10 blazer, when I push the 4HI button, the 4HI and 4LO buttons flash a yellow light and it won't shift to 4WD, stays in 2HI and the light in the 2HI button is on yellow......I hear...


vacuum leak or vacuum locker solenoid problem. a great way to check for both is to remove both vacuum lines from the solenoid (located on firewall above destributor), and put a connector between them, push the button on the dash and see if it locks in.

Jan 18, 2009 | 1999 GMC Jimmy

1 Answer

1994 GMC Jimmy stuck in 4-wheel low.


Have you tried this: put it in nuetral and push on the brake! Then as your doing these things push the 2 wd button!

Dec 06, 2008 | 1998 GMC Jimmy

2 Answers

Can't get gear shift to come out of park


clicking noise is btsi solenoid, check linkage at trans for binding

Nov 17, 2008 | 1998 GMC Jimmy

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