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Discussion Starter #1
My control for the interior lights isn't working (twist control on left stick). It was a little "glitchy" once or twice and then just doesn't work now. My interior lights still work, but I can't control the dash lights brightness/dim and can't manually turn on/off the interior lights with it. The control will still rotate/turn but nothing happens.

Fortunately my dash lights are set bright enough since I can't adjust them and my dome lights still work with the buttons at the lights. My interior lights still work with doors open/close too.

Any ideas on where to start to figure out the issue?

Thanks.
 

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did you reset the ECU by touching the NEG/POS leads together whike disconnected for over 30 seconds?
I'd do tht first then get the air-hose and contact cleaner out then go to work on related parts. I gotta admit, i have never used the dimmer nor disengaged the interior lighting...however, I did swap out the icky lookin bulbs in both domes for nice, amber LED festoons ...




I suspect any fuse or electrical prob would throw a code so pulling your diagnosic codes would be potentially useful but not definite.



:jeep2:
 

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Discussion Starter #3
did you reset the ECU by touching the NEG/POS leads together whike disconnected for over 30 seconds?
I'd do tht first then get the air-hose and contact cleaner out then go to work on related parts. I gotta admit, i have never used the dimmer nor disengaged the interior lighting...however, I did swap out the icky lookin bulbs in both domes for nice, amber LED festoons ...




I suspect any fuse or electrical prob would throw a code so pulling your diagnosic codes would be potentially useful but not definite.



:jeep2:
Thanks for the reply. Did the whole key in ignition code check thing and didn't get any codes. I can try the ECU reset. I found a video where a guy replaced his switch. Pretty simple task really. In the video he describes what his switch did before going out. Sounded similar to that mine did. I guess I can try the reset thing and if that doesn't work get a new switch. I think they are about $90.
 

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sounds like a plan ...any luck resetting ecu? Yeah, if no codes , no fuses blown and no cleaning works, replacing maybe best bet. I’m betting dust or humidity is your culprit....I honestly never have used the interior “on|off” nor the dimmimg function ...different owners use em in different ways, huh?
Keep the thread updated on end results and I hope it’s simply replaced

:jeep2:
 

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Discussion Starter #5
Ordered a new multi-function switch and installed it this weekend. Problem solved. Glad it was a very easy fix.
 
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