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07-09-2017, 07:34 AM
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#1
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Member
Join Date: Mar 2017
Posts: 62
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Engine brake / trailer brake problem
Just got home from a 1500 mile trip,coach ran great.. Ocala Fl. To lexington Ky. There are some steep and long grades on 75 in Ten. I noticed when I put my engine break on down the grade my trailer breaks started to smoke... I think the problem is when I turn on engine break, break lights activate witch applies trailer breaks? Witch I think should not be on for a long or consistent amount of time. Anyone have any experience or knowledge on this? Thanks
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07-09-2017, 08:08 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: Mar 2012
Location: Angola State Prison - Murder
Posts: 4,230
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The only think I've towed with my present coach is our Equinox. I have a Brake Buddy, which only works on reduction of inertia...not on brake activation in the coach.
Your brake lights certainly do come on with the engine brake. It seems your suspions may be correct. However, I suspect your brake controller system in the coach for any towed vehicle is setup to work with the engine brake as well as the brake peddle. I'm not that familiar with those systems, let us know which system is installed and I'm sure someone familiar will jump right it.
__________________
John & Clare Lyon
2007 43.5' Monaco Dynasty Palace III (All Electric)
Towd: 2011 Chevy Equinox
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07-09-2017, 11:05 AM
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#3
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Senior Member
Monaco Owners Club
Join Date: Jan 2008
Location: Olympia, Wa
Posts: 2,772
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Mine did the same. Fix was to rewire to the brake pedal switch. Was on a Monaco.
LEN
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2004 Clss C 31' Winnebgo
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07-09-2017, 11:33 AM
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#4
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Senior Member
Monaco Owners Club
Join Date: Jun 2007
Location: Lake Havasu City, AZ
Posts: 1,392
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Your brake controller was not installed correctly. The brake light input to the brake controller must be connected to the brake light switch, not to the brake lights. You might need a diode to isolate the input so the brake controller will only be active when you are applying the brakes and not when the engine brake is powering the brake lights.
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2012 Monaco Knight 36 PFT
Towing either a 2019 Jeep Grand Cherokee Overland or a car in a 20' enclosed car trailer.
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07-09-2017, 01:03 PM
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#5
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Member
Join Date: Mar 2017
Posts: 62
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Thanks for the replies. My coach is a H.R. Navigator 2005. Break control tekonsha voyager. Sounds like something not hooked up right. Not sure why my signature with coach info not showing up?
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07-09-2017, 01:12 PM
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#6
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,403
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Welcome. Make and model in your signature will help.
Some RV's have the brake lights come on when the exhaust brakes kicks in. It would be easy to put a diode in the brake switch line if that is the issue. Some have reprogrammed the ecm to get rid of that option.
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Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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07-11-2017, 10:53 AM
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#7
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Senior Member
Monaco Owners Club
Join Date: Oct 2009
Location: Tucson, AZ
Posts: 6,558
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Most trailer brake controllers have a "Gain" adjustment. Just turn it down some and experiment until you get it correct.
If you ever need help stopping, you always have the trailer emergency brake lever.
__________________
97 Monaco Windsor- Sold
07 Monaco Executive McKinley- Sold
04 Monaco Signature Chateau IV
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07-11-2017, 11:05 AM
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#8
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,311
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Quote:
Originally Posted by Showman1
Thanks for the replies. My coach is a H.R. Navigator 2005. Break control tekonsha voyager. Sounds like something not hooked up right. Not sure why my signature with coach info not showing up?
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If you entered info in the " Edit Signature " page , you may have not seen the " save signature " box at the bottom of the page, if you close without saving the info just disappears.
Other members have trouble with signatures appearing when using a cell phone app.
My F/L chassis , activates the brake lights with the exhaust brake , many try to disable the feature , but I consider it a safety feature and preferable to listening to the 4 way flasher all the way down a hill where I'm slower than the posted limit. Diode would be my choice if a fully proportional brake controller wasn't working properly.
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-19-2017, 09:19 PM
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#9
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Member
Join Date: Mar 2017
Posts: 62
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Problem solved. Took coach to Detroit shop and engine programmed to not turn on break lights when engine break is on.
__________________
Rick ocala Fl.
Holiday Rambler Navigator 43PDQ
Series 60 515 hp
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07-19-2017, 11:02 PM
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#10
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: May 2005
Location: Safety Harbor Florida
Posts: 288
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I have a Winnebago on a Freightliner chassis. The brake lights come on when the engine brake is engaged. I prefer this since I use the engine brake all the time and it will notify others that I am slowing down. My toad brakes are only activated when I press on the brake pedal (which mostly occurs during the end of a braking session or during a panic stop).
__________________
Bill, Kaye, Addie (Boxer Mix) & Rosie (Boxer Mix)
2017 Winnebago Grand Tour 45RL, 2020 GMC Sierra 1500 Denali
Blue Ox Tow Bar and Base Plate, Air Force One Braking System
Mountain Master Motorcycle Lift, 2018 Harley Davidson CVO Limited
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