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Unread 11-27-2012, 02:57 PM   #1
johngreen1234
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Trailer Brake Controller Wiring Hookups

Okay, time to install my P3 into my 2010 GC Laredo, 5.7 4x4. I just want to verfiy some very BASIC points, since I'm pretty stupid:

--I'm going to be running POS and NEG all the way to the battery, right? If so, what is the recommended route from the install location near the steering wheel?

--It seems simple enough to find the green Jeep TT wire. That leaves the #2 Stop Lamp Switch. Where in the world is this critter hiding?

Thanks!

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Unread 11-27-2012, 06:35 PM   #2
DieselDevotion
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No need to run a ground all the way to the battery, a good chassis ground will work. And what positive wire are you referring to? The charging wire in the trailer plug or power to the controller? If its for the controller you want switched power that's only on when the ignition is on and not a constant hot.
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Unread 11-28-2012, 09:22 AM   #3
igloid
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That wire is located above the brake pedal in a taped bundle of wires. A real pain the @ss to get to. Worst part of the whole job when I did it.

Look here for more information.
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Unread 11-29-2012, 10:57 AM   #4
johngreen1234
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Took my GC into Camping World to have them install my trailer brake controller. This after I took a close look at the project and got cold feet. If I'd had any previous experience working through the dash I would have done it, but as it was I couldn't find anyone here, at Tekonsha or NAPA who could advise me EXACTLY how to do it, so I took it to the "experts".

Turns out Camping World knew less about my rig than I did, and doubled their price once they got started. And while they certainly have a lot of experience installing brake controllers, they still managed to install mine crooked, and used the wrong screws attaching the controller to the bracket, stripping it.

On the up side, the controller is mounted to the glove box as I wanted and is out of the way of my knee, and is readily accessible.

Hopefully I'll get a little more Sack when it comes to future projects, as it was only fear of the unknown that kept me from giving it a try.

Thanks!
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Unread 05-11-2013, 08:28 PM   #5
Tuco
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Ive got all the wires connected except for the connection to 12v positive at the battery. I have a 20amp circuit breaker. The directions say to hook the black wire (12v +) from the controller directly to + side of battery thru a 20 amp circuit breaker. But wont this cause the battery to drain?

I couldnt find a power switch on the Tekonsha Prodigy controller and when I tried hooking it to plus side of the battery a purple light turns on the controller. Will this light eventually turn off or am I supposed to connect to a switched source of power?

If Im supposed to use a switched source, how do I connect to an ignition switched hot source and be sure I have the correct amp fuse? The directions that came with the controller and the WK directions are pretty vague about this.
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Unread 05-11-2013, 11:31 PM   #6
JeepN4KC
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My understanding is the brake controller times out and the drain on the battery is so minimal it doesn't effect battery.
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Unread 05-12-2013, 08:11 AM   #7
YJMCBoy
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On my controller it would only light up and seem to be energized when a trailer was hooked up. Without a trailer on it had a constant 12+ and I never had a problem, i think it was a tekonsha
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Unread 05-12-2013, 09:14 AM   #8
Tuco
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I think you guys are right. After doing more online searches it looks like these units go into a sleep mode after 10-15 minutes of no motion. I makes sense to wire it directly to the battery for safety reasons. It would be nice for Tekonsha to put one more sentence in the instructions to let us know this is how the controller operates. Maybe they state this somewhere else in the paperwork.


Anyway, its nice to be done. Thanks for the tips.
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Unread 05-13-2013, 10:59 AM   #9
NDSU_Bison
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Tuco, if you are anywhere near Portland, check out Curtis Trailers if you ever get a new rig and need a new brake controller installed. They installed the controllers on my 98 XJ and 2008 WK with no problems. Then again, they might just be more flexible on the price for people like me who have purchased 2 RVs from them.
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