New owner, should 4wd cluster light be in in 4wd?

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CalvinMcHobbes

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This is going to be a dumb question, I realize. But I just bought an 01 Yukon, and the cluster was bad, so I replaced it. If I look carefully, I can see there is a "4WD" light on the cluster, but that does not light up when the vehicle is in 4wd (the little lights on the 4wd high/4wd low/2wd all work ok, and the 4wd is engaging properly). So my question is, should the "4WD" lamp on the cluster also illuminate when it is in 4wd? Or is that just a service light? I just need to know if my new cluster is performing normal or not.
 

MassHoe04

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My 04 Z71 has the 4 button electronic control.
Nothing on the cluster lights, even though you can see a "ghost" of a 4WD indicator on the panel. The only thing that changes is the indicator light on whatever button is active at the time. Solid light is in that mode. Blinking light is during transition (or waiting for slow/stop/neutral to get into 4Lo).
 

OR VietVet

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Welcome to the forum.

Like has been said, is working properly but....I would guess if there is a problem with the 4wd system, then that cluster light might come on. You can check by unplugging something at the axle and see if that light comes on but if you do, it will likely set a code that you would need to clear out. IMO
 

OR VietVet

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Lt 4x4 here. I can see that same light cutout when the sun shines through the window.
Nope, light never comes on. Rebuilt. My own cluster and it doesn't even have a bulb there.
The only light is on the "indicator" where you select your drive/traction control/4lo etc.
Hell, that screen name says it all.
 
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