Question about GMC Jimmy

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2003 GMC JIMMY ..4 WHEEL DRIVE SWITCH DOES NOT ILLUMINATE AND 4 WHEEL DRIVE DOES NOT ENGAGE.

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  • cmg23 Dec 21, 2008

    have 1999 gmc suburban - red neutral light on & wont engage into 4wd

  • cmg23 Dec 21, 2008

    red neutral light on wont engage 2 4wd fuse is good









  • seeman Jan 18, 2009

    2000 jimmy will not switch from 2 to 4 light will not eluminate

  • nditech Mar 26, 2009

    2006 GMC truck with the same problem. 4 high light switch will come on but the differental will not ingage and there is no dash light. The 4 Low Switch light will not stay on but you can hear it trying to ingage.

  • Anonymous Apr 05, 2009

    i have 1994 gmc jimmy will not illuminate brand new switch from dealership but when i put it in aux power it lights up and clicks on passenger side

  • tinkrmybells Apr 07, 2009

    Mine is a 1994 GMC Jimmy. 4 wheel drive switch does not illuminate nor will it transfer into 4 wheel drive. It worked fine until my starter went out and battery completely drained out.

  • mikehumble May 11, 2010

    have you check your fuses 4wd, courtesy, and ATC.

  • thumperz71 May 11, 2010

    If its a push button 4whell drive on the left side dash the switch is bad. For a 1999 z71 it was 100$ at dealership easy to remove and to instal new one!!

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Check the fuse

Posted on Dec 15, 2008

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1996 gmc jimmy started making noise sounding like it is is right front was told need to replace wheel hub which was done. Still making the same noise in 2 wheel drive. when you push button for 4 wheel...


Sounds like your front axle is trying to engage but does not engage fully.check your vacuum going to the t-case switch and then if that is ok check your vacuum at the front axle actuator.It is located under the battery tray.

Dec 06, 2010 | 1996 GMC Jimmy

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2003 gmc sierra 1500 4 wheel drive truck kicks in to 4 wheel drive on its own while driving down the road


look out the code.. and check the speed sensors and the harness......check also the switch maybe you use the auto 4 wheel...thars why it engage its self automatically depending on the road,

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4 wheel drive will not engage 4 wheel drive button is pushed


bad trasfer case selector motor common problem i ve a ton of these replace that motor and youll have 4 wd again ,the part is costly about $ 300.00. hope this helps.

Dec 13, 2009 | 1999 GMC Jimmy

1 Answer

I have a 99 GMC Jimmy with the 4 wheel drive. I


check fuse and relay to switch if power to switch retest switch new doesnt mean not defective if no power check connections and wiring for damage or breaks

Dec 02, 2009 | 1999 GMC Jimmy

2 Answers

My 99 GMC Jimmy has the service 4X4 light on and


I own a Jimmy and have done quite a bit of 4 wheel drive repair on it.
The first thing i would check is the 4x4 selector switch. I know for a fact that these will throw a service 4x4 code if they are unplugged or shorted. They sell for 50-60$ or you may find one at a local salvage yard for cheaper. Taking this out and checking it only takes a few seconds, just simply pop the switch out of the dash with the edge of your pocket knife. After you get it out theres a few more tabs surrounding the back plate, and this is where the circuit board is located. I would inspect it visually to make sure nothing looks corroded and also take a sniff of it to insure there isn't a burnt smell. If it were the 4x4 actuator the lights would still illuminate on the selector switch, it just wouldn't engage the 4x4. You'r problem is all electrical trust me .

Nov 25, 2009 | 2001 Chevrolet Silverado 1500

3 Answers

HOW DO I PUT A 1998 GMC JIMMY IN 4 WHEEL DRIVE?, DO I HAVE BE IN "PARK" OR CAN I CHANGE IT INTO 4 WHEEL DRIVE WHILE IM DRIVING?


You should be able to put in 4x4 while in drive less than 35mph. Mine had a switch to turn to engage or dis-engage.

Oct 15, 2009 | 1998 GMC Jimmy

2 Answers

Front drive, 4 Wheel drive won't engage


that vacume line goes back to the transfer case, the end that goes behind the motor hooks to a steel tube so it does not get hot from the exhaust., my guess it should be hooked up so it will feed vacume to the vacume ball so it can lock in the axels. if you start the car and shift into 4 wheel drive and listen under hood you should hear a hissing sound, that is vacume, if you can't hear it there, you may have to craw under the right side to hear it, probably came unhooked underneith the car

Feb 01, 2009 | 1995 GMC Jimmy

1 Answer

1983 GMC Jimmy 4 wheel drive won't engage


Must be wear in front end..... .should check transfer.

Jan 09, 2009 | 1983 GMC Jimmy

1 Answer

I have a 1999 gmc jimmy sle 4wd 4 door and the four wheel drive switch will not engage just blinks when i try 4wd autu the returns to 2 wheel drive and switch stays lit, can you help? i heard that the...


If you have front end problems like an pitman arm or idle arm needs to be replaced, it may not got into 4 wheel drive. Go to the nearest muffler shop or mechanic to have them lift up your truck to see if something needs to be replaced.

Dec 01, 2008 | 1999 GMC Jimmy

2 Answers

2000 GMC Jimmy Transmission Whine


Does it sound like a loud winding sound coming from the front right side? I have a 2001 Jimmy and the 4wd tries to engage when driving up steep hills and going at highway speeds. The actuator vacuum switch engaged when the transfer case vacuum switch sends the vacuumed air to the actuator. What is happening is their is either a leak in the vacuum lines, a faulty actuator switch, or a faulty transfer case vacuum switch. When the jimmy has enough air pulling in, the extra vacuum is trying to push the actuator switch in when it is not supposed to. It is a much cheaper fix than a transmission. GMC should have recalled the whole 4wd system on any of the S10's, the JImmy's, and Blazers.

Jul 30, 2008 | 2000 GMC Jimmy

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