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Leaking cab marker lights
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tractorboy View Drop Down
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Joined: 03 Oct 2009
Location: southern Va
Points: 475 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tractorboy Quote  Post ReplyReply Direct Link To This Post Topic: Leaking cab marker lights
    Posted: 22 Jun 2023 at 7:20pm
I recently replaced my cab marker lights [97 silverado dually] . The originals were cracked & leaking. Got some high dollar replacements, [china]LOL, & 2 of them are leaking too! What would be good to seal them up??  I'm thinking black RTV. Anyone had this problem ??   Had no idea there was a factory hole the size of a quarter for each light! thanks, in advance keith so. va.   
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tadams(OH) View Drop Down
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Joined: 17 Sep 2009
Location: Jeromesville, O
Points: 11001 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tadams(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2023 at 10:08am
I would use clear silicone 
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Hubert (Ga)engine7 View Drop Down
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Joined: 12 Sep 2009
Location: Jackson Cnty,GA
Points: 6498 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hubert (Ga)engine7 Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2023 at 11:48am
Originally posted by tadams(OH) tadams(OH) wrote:

I would use clear silicone 


X2. Zinc chromate putty would work good where the lights mount to the cab if you can find any.
Just an old country boy saved by the grace of God.
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DMiller View Drop Down
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Joined: 14 Sep 2009
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Points: 34293 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2023 at 5:21am
Speak to a body shop nearby, I got a partial tube of a product they use to seal cab lights but was plain label on tube.  Commercial and NOT a silicone that will develop its own issues later.
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truckerfarmer View Drop Down
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Joined: 26 Jan 2013
Location: Watertown, SD
Points: 3291 		Post Options Post Options   Thanks (0) Thanks(0)   Quote truckerfarmer Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2023 at 9:36am
I take it the new lights didn't come with gaskets?
Haven't dealt with them on newer trucks, but my square body GM trucks have had gaskets under them. Maybe make some gaskets out of something like an inner tube.
Looking at the past to see the future.
'53 WD, '53 WD45, WD snap coupler field cultivator, #53 plow,'53 HD5B dozer

Duct tape.... Can't fix stupidity. But will muffle the sound of it!
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