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[GMCnet] [GMCNet] How I sealed and grounded my clearance lights [message #307863] Mon, 26 September 2016 13:22 Go to next message
mercdave is currently offline  mercdave   
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Over the past few weeks I have been working on an idea I had to mount and seal my clearance lights.
About two years ago I installed LED rear clearance lights and I had two problems with the lights that I found.
1.

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Dave L
Lynnwood, Wa.

1976 GMC 26' Edgemonte Rear Twin
1973 GMC 23' Rear-Ended, Totaled

Re: [GMCnet] [GMCNet] How I sealed and grounded my clearance lights [message #307864 is a reply to message #307863] Mon, 26 September 2016 13:33 Go to previous messageGo to next message
mercdave is currently offline  mercdave   
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Sorry for the spammy incomplete post, here is the rest of the story.

Over the past few weeks I have been working on an idea I had to mount and
seal my clearance lights.
About two years ago I installed LED rear clearance lights and I had a few problems with them.

problems with the lights that I found.
1. The rubber wellnuts pulled up into the foam gaskets and the lights eventually became loose and leaked.
2. I bought one wire lights that grounded through one of the screws and contact with the ground wire under the light was inconsistant.
3. Rain, lots of rain in the Pacific Northwest.

I decided to try permanently mounting a 1/4" aluminum plate using nutserts and grounding that plate, that way water could get under the light and not into the coach. Here are some pictures from the project.

http://www.gmcmhphotos.com/photos/showgallery.php?cat=6977

I hand cut the and formed the blades using a jig saw and an assortment of files. I drilled all of the holes on a small drill press. They mounted tight and it looks like they will work as expected. When I go to do the front lights I will go to a friends machine shop and have him water cut me a set of plates to save about 5 hours.

Dave L
Lynnwood, Wa.
1973 23' #295

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Dave L
Lynnwood, Wa.

1976 GMC 26' Edgemonte Rear Twin
1973 GMC 23' Rear-Ended, Totaled

Re: [GMCnet] [GMCNet] How I sealed and grounded my clearance lights [message #307892 is a reply to message #307864] Mon, 26 September 2016 20:10 Go to previous messageGo to next message
KB is currently offline  KB   United States
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Registered: September 2009
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looks good. I guess the real test will be a northwest winter! Shocked

Karen
1975 26'
Re: [GMCnet] [GMCNet] How I sealed and grounded my clearance lights [message #307896 is a reply to message #307892] Mon, 26 September 2016 22:06 Go to previous message
<dblidd is currently offline  <dblidd   United States
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Registered: September 2016
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Junior Member
Thanks Karen,
As I was finishing installing and testing, I was thinking that the only real way to determine if the leaks are fixed is to immerse the coach in a lakeā€¦ or wait for the rains.

Sent from my Windows 10 phone

From: KB
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