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03-25-2018, 06:38 AM
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#1
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New Member
Join Date: May 2017
Location: Swansboro
Posts: 2
M.O.C. #19763
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Brakes on our 5th wheel
We are having a recurring issue with our 5th wheel. The brake wiring is fraying and then it stops working. We have taken it in for repair 4 times. This last time we were told that it may be the axle or wheel plate. They don’t know. We thought the issue was fixed last year and we have just started a 6 month trip. We live in our 5th wheel full time. We have a 2017 Montana 3720.
Has anyone else had this problem? Any solutions to getting this fixed quickly? Neither of us have any experience with braking systems.
Thank you.
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03-25-2018, 07:26 AM
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#2
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Montana Fan
Join Date: Jan 2018
Location: Box Elder
Posts: 247
M.O.C. #21057
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I had intermittent brake problems and found where the wires go into the hollow axle free frayed. New wires taped and wire tied outside the axle. No more problems
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2018 Montana High Country 331RL
2006 Ram 2500 SRW 4X4 Laramie Quad Cab 5 .9
Andersen Ultimate 20K Hitch Lippert Solid Steps Steady Fast stabilizes
Rex and Patsy
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03-25-2018, 08:12 AM
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#3
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Montana Master
Join Date: Jul 2014
Location: Upstate NY
Posts: 1,788
M.O.C. #14547
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X2 /\/\
Of course there is that disc brake mod...............
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Dave W
2014 Montana High Country 343RL (Sold!)
2011 Ford 6.7 Lariat CCLB (Went to PU Heaven)
2019 F150SC XLT SE Sport,w/full tow package
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03-25-2018, 08:25 AM
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#4
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Quote:
Originally Posted by Nclauri
We are having a recurring issue with our 5th wheel. The brake wiring is fraying and then it stops working. We have taken it in for repair 4 times. This last time we were told that it may be the axle or wheel plate. They don’t know. We thought the issue was fixed last year and we have just started a 6 month trip. We live in our 5th wheel full time. We have a 2017 Montana 3720.
Has anyone else had this problem? Any solutions to getting this fixed quickly? Neither of us have any experience with braking systems.
Thank you.
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In four times for repair, not a sharp technician. Also experiencing frayed wiring, I split lengths of rubber vacuum hose I had laying around, encased the wiring with them and wrapped with heavy duty electrical tape where the wiring was fraying. I cut the wiring at the axle, used it to pull new wiring thru the length of the axle, but found no fraying occured within the axle itself. No further problems. Lots of options to protect the wiring from the back plate to the axle, am sure someone has a better one than mine.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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03-25-2018, 10:22 AM
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#5
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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Might try heat shrink at potential abrasion points.
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James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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03-25-2018, 04:30 PM
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#6
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Montana Master
Join Date: Sep 2017
Location: Florence
Posts: 945
M.O.C. #20472
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We had this issue and I was dug he wires to the magnet were all chewed up inside the drum breaks. The factory had excess wire inside.....bone heads. I’ve also heard the the wire running through the axial tubes can be Chaffet and short out. Have they even pulled the drums to make sure it all good inside with the magnet wires.
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2018 Ram 3500 MegaCab 4x4 Aisin, 4:10 Gears
Titan 50 Gal Tank, Air Lift Wireless Bags
2017 3160 RL
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04-13-2018, 09:16 AM
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#7
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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It is only two wires that can be hooked up either way as they are not polarity dependant. Go under the rv and find out where the fraying is...if you can see it. You can always use a meter to measure the impedance of each wheel magnet to see which are shorted or open.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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04-13-2018, 10:05 AM
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#8
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,166
M.O.C. #6433
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The brakes are not that complex. Four times to service and they still do not know what the problem is does not speak very highly for the service department. I would schedule a conference with the service manager if he has not yet been directly involved. If he has, then you may be out of luck with that service department.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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04-15-2018, 05:52 PM
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#9
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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We have started to have issues too on our current trip. I can't see any fraying, so I think I'm going to start splitting the harness up to troubleshoot it. The worst part its intermittent.
Those of you who have replaced wiring, what type of wire and spices (connectors) did you use?
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2011 3150RL
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04-15-2018, 06:04 PM
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#10
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,166
M.O.C. #6433
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Quote:
Originally Posted by drknapp
We have started to have issues too on our current trip. I can't see any fraying, so I think I'm going to start splitting the harness up to troubleshoot it. ......,,,,..
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Are the brakes on your 2011 self adjusting or manual? My 2007 are manual and when I noticed less efficient braking all it needed was to adjust the brakes.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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04-15-2018, 07:55 PM
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#11
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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My suggestion for connectors is to use the connectors that have heat shrink as they are weatherproof. The sealed connections don't corrode as much as standard crimp connectors. In addition the heat shrink also acts as a strain relief to reduce the chance of wiring pulling out.
Wherever the wiring runs thru a wall, I suggest using rubber donuts to reduce the chance of the wire being frayed on a sharp surface. If you really want to go all out run the wiring inside conduit. That step is justified considering the critical safety nature of brake wiring!!! Nothing like hitting the brake pedal for a panic stop and finding out that your trailer brakes are shorted out!!!
__________________
James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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04-15-2018, 09:13 PM
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#12
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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Ours are self adjusting. My brake controller is what is detecting the short.
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2011 3150RL
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04-15-2018, 09:17 PM
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#13
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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Quote:
Originally Posted by mtlakejim
My suggestion for connectors is to use the connectors that have heat shrink as they are weatherproof. The sealed connections don't corrode as much as standard crimp connectors. In addition the heat shrink also acts as a strain relief to reduce the chance of wiring pulling out.
Wherever the wiring runs thru a wall, I suggest using rubber donuts to reduce the chance of the wire being frayed on a sharp surface. If you really want to go all out run the wiring inside conduit. That step is justified considering the critical safety nature of brake wiring!!! Nothing like hitting the brake pedal for a panic stop and finding out that your trailer brakes are shorted out!!!
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Thanks for the tips. I'm considering running the wires inside plastic flex and tie wrapping it to the outside of the axle. That way it will be easier to examine if I have any problems in the future. I wonder what the original wiring insulation is made of?
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04-16-2018, 09:30 AM
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#14
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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Just replace the wires with something same wire gauge or heavier wire to insure adequate current flow for magnets.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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04-16-2018, 03:35 PM
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#15
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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Well, I found my problem, moisture got in the bulkhead connector in the side wall in the bed of my truck. Even after drying it out, more moisture was leaking out of the body of the connector where the pins come through. With the help of contact cleaner and a can of air, I was able to dry it out and correct my issue. I think it's time for a new connector with seals.
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2011 3150RL
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04-16-2018, 05:12 PM
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#16
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Montana Fan
Join Date: May 2006
Location: San Antonio
Posts: 429
M.O.C. #5757
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If you are full timing bite the bullet and go with disc brakes. Absolutely the best mod we have ever done. Don't know where you are, but if you get to South Texas I know of a great place to have it done.
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04-16-2018, 11:28 PM
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#17
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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Zanetti's in Weatherford Tx just west of Fort Worth does disc brakes. There was a write-up about them a couple of years ago in Trailer Life magazine.
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04-17-2018, 12:09 PM
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#18
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Montana Fan
Join Date: May 2006
Location: San Antonio
Posts: 429
M.O.C. #5757
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Southwest Wheel on Gembler Road has done all of my axle work since I have owned my Montana. They initially installed the wet bolt kit. A couple of years ago I wanted to upgrade the axles and go to the rims that would allow me to use the G614's. They did the brake upgrade to discs at the same time for a ery reasonable cost. They build trailers from scratch there and really know their stuff. They also installed the Level Up for me. Very honest and highly skilled.
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04-17-2018, 12:10 PM
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#19
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Montana Fan
Join Date: May 2006
Location: San Antonio
Posts: 429
M.O.C. #5757
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I forgot to add-Southwest Wheel is in San Antonio.
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