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Fog Lamps

Ed_Hunt

Full Member
Joined
Mar 9, 2011
Messages
36
Location
Manteca, Ca-North Central Ca
I just bought a '13 Black Diamond, my 4th Avalanche. I have fog lamps, but no way to turn them on. According to the owners manual there is a button below the dome control, but there isn't one there. I can't believe they would put in the lamps with no way to turn them on, what am I missing?
 
Does your switch look like this? If so the fog light switch is the square button under "dome off".

canvas.png
 
No, that's the problem, there isn't a second button below the interior light adjustment as there was on my '10. Again why would there be lamps with bulbs and no way to turn them on? My only thought is someone replaced the switch with the wrong one.
 
or someone added the fogs?
 
Since a handful of LS models didn't have fog lamps and you have an LTZ, I'd say someone swapped the switch assembly.

You most likely have this (Part # 25858426);
https://www.amazon.com/ACDelco-D1525J-Original-Equipment-Instrument/dp/B001KSAQV4/ref=sr_1_4?keywords=25858426&qid=1558874333&s=gateway&sr=8-4

When you actually should have this (Part # 25858705);
https://www.amazon.com/ACDelco-D1527J-Original-Equipment-Instrument/dp/B001KS8MJC/ref=sr_1_19?keywords=gm+headlamp+switch&qid=1558874259&s=gateway&sr=8-19
 
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