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Username Post: Fog lamp moisture        (Topic#359491)
"3rd Year" Silver Supporting Member
Posts: 190
Loc: Portland, OR
Reg: 04-16-13
01-16-20 09:59 PM - Post#2784518    

My 2015 Silverado fog lamp lenses are fogging up. Does anyone have a solution to the problem?

"11th Year" Gold Supporting Member
Posts: 2123
Age: 70
Loc: south texas
Reg: 08-04-12
01-21-20 08:10 AM - Post#2784801    
    In response to dgstarr

It sounds like the seal under the bulb is bad. Either that, or the seal is broken on the assembly itself. If it is sealed, you will not get fogging at all.


if you're gonna be a bear..................

1960 Biscayne (the 6T)
2005 Yukon XL
2007 GMC Sierra Classic 8.1
2009 Silverado
2011 Escalade ESV

"3rd Year" Silver Supporting Member
Posts: 190
Loc: Portland, OR
Reg: 04-16-13
01-21-20 05:02 PM - Post#2784834    
    In response to beagrizzly

Thanks Griff for your response, I think it is the seal around the bulbs. I did not notice the moisture until I installed LED bulbs The bulb manufacturer says to try using a larger o ring on the bulb. I am going to try that along with using some high vacuum grease around the o ring.

"5th Year" Silver Supporting Member
Posts: 2924
Loc: Kaleva, Michigan
Reg: 09-28-12
01-28-20 08:58 AM - Post#2785342    
    In response to dgstarr

I just resealed a parking lamp by adding a seal I made from tool box drawer liner, to the existing seal.


49 Deluxe Sport Coupe, 4.8/4L60E swap in progress, Blazer rear axle, 4 wheel power disc brakes. /album...

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