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04-21-2014, 05:12 AM
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#1
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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brake help
Never had this happen before, so here goes. Inspecting bearings and brakes today and found a brake with BOTH wires to the magnet broken. Both appear to be black with no markings so how to figure out proper reattachment. I'm sure it matters. thanks in advance.
kevin
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04-21-2014, 05:28 AM
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#2
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,657
M.O.C. #9969
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Nope, doesn't matter. The magnet is just that an Electro Magnet, works with current passing thru it, so there is not polarity issue.
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Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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04-21-2014, 05:37 AM
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#3
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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I read were brakes need to be run in parallel not series?????
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04-21-2014, 05:43 AM
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#4
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,122
M.O.C. #6433
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__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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04-21-2014, 06:13 AM
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#5
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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how to figure parallel?????
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04-21-2014, 06:31 AM
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#6
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,122
M.O.C. #6433
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The brake wire (from harness) must connect to one of the wires of all four brakes. The other wire of all four brakes must connect to ground.
So effectively one side of all brakes are connected together and to the brake power source. And the other wire of all brakes are effectively connected together by connecting them individually to ground. This way a broken wire at one brake does not affect the other brakes.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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04-21-2014, 06:34 AM
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#7
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Montana Master
Join Date: Aug 2010
Location: Washington Coast
Posts: 2,688
M.O.C. #10696
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Just installed a whole new brake assembly backing plate and cut the 2 black wires on mine to install the new and no it does not matter how you hook up the wires ,I was worried about that too but I looked in the Dexter manual and online sources and it says the same thing and also I was surprised how tiny the wire is inside the outer covering had to buy some tiny connecters and then coated them with liquid tape(love that stuff)
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04-21-2014, 07:08 AM
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#8
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Your brake wires from the pinbox look just like black or brown two wire cord coming out of a table lamp. As stated earlier, one wire is +DC power ... the other is - ground. It makes no diference as to polarity as long as you have one brake wire going to plus and one brake wire going to minus. Behind each wheel on the street side will be 4 wires (2 each for the street side brakes and 2 each for the curb side brakes that run thru the axle. The front brake wires are hooked to a pigtail wire coming off the pinbox feed wire ... the rear brakes again 2 wires for each brake are hooked directly to the pinbox feed wire. It's good practice to solder the connections and waterproof them with say liquid tape made for automotive use. However ... crimping works too as sadly that's how most RV's come from the factory.
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04-21-2014, 08:50 AM
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#9
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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thanks everybody for your help. got it all buttoned up, but will need to get two clips to hold wires in place. the clips are gone or never existed, these clips hold the wire to the brake actuator arm ( magnet arm )
thanks kevin
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04-21-2014, 09:20 AM
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#10
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,122
M.O.C. #6433
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While you are under there you might add some split wire loom around the exposed wires to give them a little more protection. I pulled the wires a little out of the holes in the axles, wrapped that area a few times with electrical tape, pushed them back in the axles, and them put on the wire loom from the axle to the hub.
Available at auto parts stores, Home Depot, etc.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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