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Trailer Brake Controller #15225393 09/15/20
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I have this TBC that was in my truck when I bought it, but I've never had a trailer with electric brakes until now. I bought a 20' 10K car hauler w/ dual axles and EBs. I searched online for Brake Master TBC manual, but I didn't find much. Anyone have a manual for this or know how to set it up and use it. It's already installed, but the brakes on the trailer are maxing out when I brake softly. Thanks!

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Re: Trailer Brake Controller [Re: BALLISTIK] #15225431 09/15/20
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kingston Offline
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I don't know anything about that one, but there should be a button or dial to adjust output.

If all else fails, get a Tekonsha Prodigy.

Re: Trailer Brake Controller [Re: kingston] #15225437 09/15/20
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Originally Posted by kingston
... there should be a button or dial to adjust output...


This. If you can't find the control or the manual, replace it.


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Re: Trailer Brake Controller [Re: kingston] #15226023 09/15/20
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K1500 Offline
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Originally Posted by kingston
I don't know anything about that one, but there should be a button or dial to adjust output.

If all else fails, get a Tekonsha Prodigy.


This on both counts. If you have a time based controller they tend to lock the brakes when you drag the pedal while slowly slowing down. You can turn the gain down, which slows the initial aggressiveness of the brakes, but they still ramp up over time. The Prodigy is inertia based. It has a small accelerometer/pendulum that controls the brakes. The harder you brake, the harder the trailer brakes. If you lightly drag the brakes of the truck, the trailer does the same without lock-in up. I have had both and prefer the prodigy.

Re: Trailer Brake Controller [Re: BALLISTIK] #15226070 09/15/20
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mch Offline
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I have not seen one of those for years. You should be able to adjust the brakes with that little sliding rheostat on top of the controller. Push to the right for less braking action and left for more.

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Re: Trailer Brake Controller [Re: K1500] #15226340 09/15/20
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Originally Posted by K1500
Originally Posted by kingston
I don't know anything about that one, but there should be a button or dial to adjust output.

If all else fails, get a Tekonsha Prodigy.


This on both counts. If you have a time based controller they tend to lock the brakes when you drag the pedal while slowly slowing down. You can turn the gain down, which slows the initial aggressiveness of the brakes, but they still ramp up over time. The Prodigy is inertia based. It has a small accelerometer/pendulum that controls the brakes. The harder you brake, the harder the trailer brakes. If you lightly drag the brakes of the truck, the trailer does the same without lock-in up. I have had both and prefer the prodigy.



What happens if your backing it up a hill?

Re: Trailer Brake Controller [Re: BALLISTIK] #15226626 09/15/20
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I already adjusted it all the way to the right for 'less' braking force, but the sudden jerking when even minimally applying the brakes is annoying. I did find the 'time' adjustment on the side, and I'll try to lower that as well to see if it helps.

After looking at new TBCs they don't seem to be expensive, so start listing good models that ya'll have used before. I might install a new one just so I can have a modern model with comprehensive instructions. My next topic here might be air bags, to help with carrying weight in the bed while pulling... laugh

Thanks again guys.


"Social order at the expense of Liberty is hardly a bargain” de Sade
"He who'll not reason is a Bigot, he who cannot is a Fool, and he who dares not is a Slave."SirWilliamDrummond
Re: Trailer Brake Controller [Re: BALLISTIK] #15226660 09/15/20
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VaHunter Offline
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Tekonsha Prodigy is what I have in my Ford Super Duty and use it with a 7000# 14ft utility trailer. It works great.

Re: Trailer Brake Controller [Re: BillyGoatGruff] #15227031 09/15/20
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K1500 Offline
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Originally Posted by BillyGoatGruff
Originally Posted by K1500
Originally Posted by kingston
I don't know anything about that one, but there should be a button or dial to adjust output.

If all else fails, get a Tekonsha Prodigy.


This on both counts. If you have a time based controller they tend to lock the brakes when you drag the pedal while slowly slowing down. You can turn the gain down, which slows the initial aggressiveness of the brakes, but they still ramp up over time. The Prodigy is inertia based. It has a small accelerometer/pendulum that controls the brakes. The harder you brake, the harder the trailer brakes. If you lightly drag the brakes of the truck, the trailer does the same without lock-in up. I have had both and prefer the prodigy.



What happens if your backing it up a hill?


Nothing unless you apply the truck brakes. It isn’t activated until the controller sees the service brakes on.

Last edited by K1500; 09/15/20.
Re: Trailer Brake Controller [Re: BALLISTIK] #15227042 09/15/20
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K1500 Offline
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Both of my 3/4 tons have the integrated controller and they work fine. Before those trucks I bought a time based controller (in a hurry and didn’t do much research) and hated it. Shortly thereafter I ditched it for a prodigy and was much, much happier.

IC-B

Re: Trailer Brake Controller [Re: BALLISTIK] #15229287 09/16/20
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Is there a gain knob?
From what I recall you crank the gain up until the light changes then back off a bit.
Then test on a flat strait section of road at 15mph to see where they lock up, adjust
Then go on to a 35mph version of same.


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