Question about 1999 GMC Jimmy

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On my 1999 gmc jimmy the lights on 4wd switch are out and 4wd wont engage. the switch is good(tried it in my 2001 Sonoma)and the 2 switches at transfer case were changed still nothing. Any clues?

Also mirrow has map lights, it fell from window and ripped the wires from plug on mirrow,now the dome light will not work either.Noticed shortly after that the 4wd light was out. could they be connected in any way?

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I'd check the fuse block and fuse panel, seems as if your not getting the power to the transfer case

Posted on Nov 24, 2019

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  • 79 Answers

On my 01 Yukon it was the switch in the dash. I took it apart abd found several bad soldier Joints. I found the same problem in the rear AC controller module. You can buy a new module or take yours apart

Posted on Sep 17, 2014

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Posted on Jan 02, 2017

autodr

autodr

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SOURCE: intermittent 4wd on 98 jimmy

the module is what i would suspect. and i do believe it is in the r kick panel. i've seen the button pack on dash go bad too, but module is best bet.

Posted on Nov 16, 2008

dodiejns

  • 2 Answers

SOURCE: i have a 1999 gmc

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.

Posted on Dec 02, 2008

RoyinGa

  • 39 Answers

SOURCE: 1995 gmc jimmy 4wd high not working

sounds like it is loosing vacuum check all the lines for a crack even the engine lines will cause it to loose vacc. pressure. if it is not run to the vacuum reserve canister you may not have enough vacc. to hold the actuator in several times I just run new lines and that helped and not very costly.

Posted on Dec 25, 2008

limotec

Paul Huckle

  • 33 Answers

SOURCE: Transfer case in 99 GMC Suburban

Hello
I had this with a C3500 4x4 it was the wiring contection at the transmission please test all these problems as ths may be a cheap fix.

Hope this helps
www.limotec.co.uk
Regards Paul

Posted on Jan 11, 2009

john h

  • 22486 Answers

SOURCE: 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

Posted on Dec 02, 2009

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