What's the thinking behind that?
The best thing about that set up is, when the trailer has it's own battery it can be towed behind any vehicle and the electric brakes will still work.
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What I was told today (right or wrong) was that you, as the driver don't have any control over the braking pressure like you do with one mounted in your car???
Makes sense but can't remember ever "adjusting" the one we had years ago when ex & I had a big arse dog trailer ..
It could be right, I have been out of the game for so long now.
Mine is a trailer mounted unit and it is fully adjustable, yes you have to get out of the drivers seat to adjust it.
You quickly work out what setting you need for your camper trailer when it it's fully loaded as against when it is empty.
Looks like my setup is now illegal.
in car is good, mines got a lever that you can activate the brakes as little or as much as you want with out the car applying brakes its good for hill decents and pulling the trailer inline when offroad
the Authorities up here h made that decision a few years back now. We used to sell trailers with our Dingo Mini Diggers and coming from QLD most were set up with trailer mounted control units. The problem is as Amelia has stated, the driver has no control over the braking pressure or the amount of braking applied to the trailer.
Also you then lose the ability to use the emergency override option on most controllers if or when needed.
I fitted a remote Red Arc as mentioned in here earlier buy someone else, they are small look smart and work extremely well.
As brake controllers go the Tekonsha P3 is the bees knees, auto leveling, totally sdjustable, boost voltage variable, brake force using a LED guage that you can set the level of voltage, total automatic brake force depending on the amount of brake you are using in the tow vehicle meaning in a panic stop it bumps up the trailer brakes at stand still no voltage is applied at all. There is a readout telling you whats happening. We have them in our work vans and they are so good.
BUT in the Patrol there is no room to mount one so I went for the redarc remote, much more driver input needed for varying road condition, easy to use but no where as good as the P3.
It applies what ever voltage you have set in any braking condition, so in a panic stop you have to wind up the trailer brake force manually. A bit hard when its hitting the fan!!!
Our work trailer wieghs about 1.2tonne and our crew all know which vehicles they prefer to use and its not the Patrol!!!!