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09-07-2018, 09:37 AM
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#1
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Winnebago Camper
Join Date: Jul 2010
Location: Lakewood, Ca.
Posts: 36
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3rd brake light
My 3rd brake light on my 2015 Vista is not working. All the other Laramie lights work. Any ideas where to look to fix this problem?
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09-07-2018, 11:48 AM
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#2
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Winnebago Master
Join Date: Jul 2000
Posts: 653
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check the bulb? what’s a laramie light?
__________________
'73,
rich, n9dko
2016 Itasca Suncruiser 38Q
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09-07-2018, 11:53 AM
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#3
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Winnebago Camper
Join Date: Jul 2010
Location: Lakewood, Ca.
Posts: 36
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Auto correct! Should have been other brake lights work. The third break light at leds.
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Chris and Laura with Barley and Heidi (RV Pups)
2015 Winnebago Vista 31KE
Lakewood, CA
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09-07-2018, 12:00 PM
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#4
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Winnebago Master
Join Date: Jul 2000
Posts: 653
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lol. how does auto correct change ‘brake’ to ‘Laramie’. suggest you turn auto correct off.
easiest thing is to chk the bulb.
__________________
'73,
rich, n9dko
2016 Itasca Suncruiser 38Q
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09-07-2018, 05:11 PM
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#5
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Winnebago Camper
Join Date: Jul 2010
Location: Lakewood, Ca.
Posts: 36
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Ok it’s not a BULB it’s an LED.
__________________
Chris and Laura with Barley and Heidi (RV Pups)
2015 Winnebago Vista 31KE
Lakewood, CA
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09-07-2018, 06:17 PM
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#6
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Winnebago Master
Join Date: Jul 2000
Posts: 653
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got it. well, an led can burn out just like a bulb..not as often but it happens. beyond that...maybe a bad ground? can you measure voltage going into the led housing?
__________________
'73,
rich, n9dko
2016 Itasca Suncruiser 38Q
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09-29-2018, 02:56 PM
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#7
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Winnebago Master
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 1,742
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Chris,
Your third brake light is commonly referred to as, "CHMSL" or, Chassi, High Mount Stop Light. It is on a seperate circuit from your brake light circuit. It is triggered independently of that brake light circuit also. And there are separate wires and a potential relay for it also.
So, I'd first look into they fuse panel for all 12V chassis systems (some coaches have different fuse panels for different sections of the coach). Find the one for the third (CHMSL) and see if you're getting juice to it and from it. If you are, then I'd head for the LED bulb and see if you're getting juice to that fixture. If so, your LED is OUT! If you're not getting juice to that fixture, you've got a break-down some place in between your fuse for it and, the fixture itself. Let us know what you find.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '08 GL 1800 Gold Wing
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Sophie character, (mini Schnauzer)
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10-06-2018, 08:04 PM
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#8
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Winnebago Master
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 1,742
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Well,
Must have got them fixed since there's been no return here to advise any different.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '08 GL 1800 Gold Wing
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Sophie character, (mini Schnauzer)
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