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11-30-2020, 01:49 PM
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#1
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Junior Member
Join Date: Nov 2020
Posts: 2
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Brake lights on while engine braking
Does anyone know how to eliminate the brake light from the engine brake. If I am going down a hill using the engine brake I do not want the brake lights on activating my electric trailer brakes. I only want the trailer brakes to work when I step on the brake pedal. Thanks!
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11-30-2020, 01:53 PM
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#2
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Senior Member
Winnebago Owners Club
Join Date: Apr 2019
Location: fulltime
Posts: 680
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so you want the ticket for bad equipment? it works that way to meet federal law.
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2006 winnebago adventurer 38t 2018 carry-on hawkline enclosed 8.5x20 2007 mini cooper convertible 2012 hd xl1200c
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11-30-2020, 02:14 PM
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#3
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Senior Member
Join Date: Jul 2006
Posts: 752
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That's a really good way to watch your trailer beat you to the bottom of the hill if the road is slick.
__________________
To the engineer, the world is a toy box full of sub-optimized and feature-poor toys.
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11-30-2020, 02:24 PM
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#4
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,385
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Welcome to the forum:
Some do and some don't turn on the brake lights with the engine brake coming on. Mine does not and that is the way it came from factory.
This question comes up a few times each year it seems.
There is a little search box above and says "powered by google". Type in third brake light or something of that nature and see what pops up.
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Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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11-30-2020, 02:25 PM
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#5
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,385
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__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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11-30-2020, 05:29 PM
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#6
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,308
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Quote:
Originally Posted by Myan
Does anyone know how to eliminate the brake light from the engine brake. If I am going down a hill using the engine brake I do not want the brake lights on activating my electric trailer brakes. I only want the trailer brakes to work when I step on the brake pedal. Thanks!
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Need to know more info. What do you have for a Coach and year?
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2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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11-30-2020, 05:32 PM
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#7
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,308
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Quote:
Originally Posted by robertkathy
so you want the ticket for bad equipment? it works that way to meet federal law.
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Bad info..........it not a Federal law, big trucks brake light don't come on when using the engine brake........
Some Coach manufacture's have them set up to come on.......some do not as posted above.
__________________
2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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11-30-2020, 06:59 PM
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#8
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,269
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This works , and beats trying to find where the feed from the engine/exhaust brake hook in.
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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11-30-2020, 08:06 PM
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#9
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Senior Member
Join Date: Jul 2012
Posts: 1,733
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Quote:
Originally Posted by Myan
Does anyone know how to eliminate the brake light from the engine brake. If I am going down a hill using the engine brake I do not want the brake lights on activating my electric trailer brakes. I only want the trailer brakes to work when I step on the brake pedal. Thanks!
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I will assume your using a brake controller. If so, just pick up that lead in the trailer harness from the controller.
__________________
2018 Dutch Star 4369
Everything was working fine, until it wasn't.
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11-30-2020, 09:52 PM
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#10
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Senior Member
Winnebago Owners Club
Join Date: Apr 2019
Location: fulltime
Posts: 680
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Quote:
Originally Posted by palehorse89
Bad info..........it not a Federal law, big trucks brake light don't come on when using the engine brake........
Some Coach manufacture's have them set up to come on.......some do not as posted above.
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Really cause i posted my statement after ssking a cdl instutor about it that stay in the park i am at
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12-01-2020, 04:02 AM
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#11
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Quote:
Originally Posted by robertkathy
Really cause i posted my statement after ssking a cdl instutor about it that stay in the park i am at
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Could you imagine following a big rig, with an 18 speed transmission, going thru the gears.
If his brake lights came on every time the engine brake came on, between gears, it would look like 4 way flashers back there.
CDL Instructer is wrong.
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12-01-2020, 06:34 AM
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#12
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Senior Member
Join Date: Aug 2018
Location: UP Michigan
Posts: 437
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I was told mine do come on and yes I would not want mine on going all the way down a big hill but....Not sure how one could have no brake controller on a pull behind trailer makes no sense to me as the weight on the trailer would always vary and the weight of the trailer.....I have had several brake control units on SUV's and trucks and have to adjust per the weight on the trailer so the tires do not skid using a control box that I can reach.
So do u have a controller u can turn off or down?
__________________
2009 Allstar 4188 mid-spartan 400
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12-01-2020, 06:42 AM
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#13
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Member
Join Date: Dec 2020
Location: Rockwell, NC
Posts: 78
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If you have a cummins engine, it can be disabled in the computer using insite (cummins software). My '16 kenworth did it. Drove me nuts as I am 80% jake brake, 20% chassis brakes. Makes you look like you don't know how to drive.
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12-01-2020, 09:02 AM
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#14
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Senior Member
Join Date: Mar 2009
Location: Apollo Beach & Key West , FL
Posts: 3,803
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Programming can be changed, at least on freightliner. But, I would hope you'd have a proportional brake controller, so it doesn't make any difference
the engine brake is a brake.... makes sense that the the brake lights come on when it's activated... just like your service brakes wo warn people that you are slowing down
__________________
2013 DS 4338
2015 F-150 toad with kayaks,bicycles and a Harley in the back
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