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Old 01-17-2019, 07:44 PM   #1
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Location: Corvallis, Oregon
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Condensation in Clearance Lights

The 5 clearance lights on the front of my Allegro Open Road 32SA have significant moisture visible in them. These are the newer style LED clearance/marker lights. They appear to be installed properly and well-sealed. At least I can't see any obvious points of entry for water. The 5 lights on the back of the coach are clear of water.
The Service Tech at the dealer said he has had mixed signals from Tiffin & other manufacturers that use these lights. Some say replace while others say it's not a problem. Regardless, I will have these replaced and sealed. What I hope to hear is if anyone has any knowledge of this being a common problem with these LED clearance lights. Should I expect to have this happen again? Just curious.

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Old 01-17-2019, 07:57 PM   #2
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Take a look

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Old 01-17-2019, 08:03 PM   #3
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Geocel 28100v RV sealant.

Use this stuff but use soap "dawn" on your finger to work this stuff. Do not use caulk. I was a caulk guy till I used this stuff. Thanks, Joe
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Old 01-17-2019, 08:34 PM   #4
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A few years ago Tiffin's had this problem. In some cases the moisture was blowing the in-line fuse feeding these lights. Finding that fuse was a PITA on some rigs. I had 3 bad ones on my Bus that I replaced, but never replaced the fuse as it didn't blow.
2013 Tiffin Allegro Bus 43QGP
2011 Chevy Silverado 1500 Toad
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Old 01-18-2019, 07:23 PM   #5
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Had to replace all the front ones on mine when a year old. I believe they were torqued too tight as there is slight curve on front cap which broke the seals as they are 2 piece. No problems since.
2013 Tiffin Allegro 36LA OPEN ROAD
2012 Honda CRV AWD toad
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Old 01-18-2019, 07:58 PM   #6
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Location: Corvallis, Oregon
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That makes sense. There is definitely more curvature on the front of the coach than the back. Thanks.

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light, lights

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