Question about 1999 GMC Jimmy
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?
Posted by Anonymous on
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
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
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
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
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
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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