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Lars(wi) 
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 7710
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 Topic: RV tow dolly elec. brakes
Posted: 04 May 2019 at 8:36pm |
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OK all you RV experts,(lol)
Bought a brand new Master Tow (tow dolly) w/electric brakes.
Questions is, the 1995 Fleetwood Bounder w/ Ford F53 chassis, 460 gas. has a Remco brand electric brake system in the cab for the trailer brake system. the power to this system has never been hooked up to the Power Distribution Box in the engine compartment. It has the the old style mid 90's 6-pin plug at the hitch, all lights work on the dolly, signal, 4-way, brake lights, running lights etc.,
All the wiring for the controller is there, and in great shape. the only thing is no power to the controller. the red and blue wire go all the way to the distrubution box, but dont go inside it, they are both tied off next to the wire harness going in.
what does the red wire attach too?
what does the blue wire attach too?
I have the plug adapter to plug in the new dolly to the old style plug.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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shameless dude
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Joined: 10 Apr 2017
Location: east NE
Points: 13607
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Posted: 04 May 2019 at 9:34pm |
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my tow dolly don't have brakes on it.
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24338
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Posted: 05 May 2019 at 6:17am |
my thoughts...
red wire would be power to the controller 'computer'
blue will be the 'brake' power feed( supplies 12V from battery to controller which goes to trailer brakes) you may need to install 1 or 2 relays in the 'distribution' box though to make it work. Hopefully Google can locate a wiring diagram of your truck, that will show what's needed. If you can't find it ,post make/model/year of truck and I'll see what I can find...afte rI get 1 or 2 jobs off the honedoo list as it's NOT raining here, for some strange reason....
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 7710
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Posted: 05 May 2019 at 10:50am |
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1995 Fleetwood Bounder, 35 UWB
on a 1995 Ford F53 chassis, 460 gas
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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HD6GTOM
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Joined: 30 Nov 2009
Location: MADISON CO IA
Points: 6627
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Posted: 05 May 2019 at 7:18pm |
Shameless the old gal is gonna ride in the van and hit the brakes when the brake lights come on in the motor home. I'm gonna have to rig up some sorta communication between the motor home and her van. From here to Arizona might be a long trip for her. Just crossing the legs probably won't work long. 
Edited by HD6GTOM - 05 May 2019 at 9:53pm
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shameless dude
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Posted: 06 May 2019 at 12:26am |
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midland has them little 2-way radios at wally world. and don't let the "fuzz" see her in the pulled vehicle...I thinks that is illegal in all states now.
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desertjoe
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Joined: 23 Sep 2013
Location: New mexico
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Posted: 06 May 2019 at 4:54am |
OH Gosh,,,Tom,,,don't do that to her,,,,,unless you,,,,,,,,, UMmmm,,,never mind,,,,,
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HD6GTOM
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Joined: 30 Nov 2009
Location: MADISON CO IA
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Posted: 06 May 2019 at 4:20pm |
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Ya was just kidding. Darn she loves to be a back seat driver. Times when I wish she was there.
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desertjoe
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Location: New mexico
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Posted: 07 May 2019 at 6:42am |
HMmmmmm,,,brakes on a tow dolly,,,??? Sounds like that might create a weight transfer problem as the bulk of the towed weight is behind the Tow Dolley and ,,,,and,,,centrifugal force is gonna want to,,,,,never mind,,,,,
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
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Posted: 07 May 2019 at 6:39pm |
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actually Joe, the vast majority of the weight is directly over the axles of the dolly. Tow dolly's are designed to have the vehicle driven forward up on the dolly.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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desertjoe
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Joined: 23 Sep 2013
Location: New mexico
Points: 13681
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Posted: 07 May 2019 at 8:25pm |
Hey Lars,,,actually,,,I am building a tow dolly from a set of plans by an ME. Something to think about,,,,when one set of tires is raised higher that the other,,a percentage of the vehicle weight is transferred to the "lower" set of tires. If you kept raising the front tires,,eventually ALL the weight of the vehicle would be on the rear tires,,,,right?
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