Electric Trailer Brake Controller Installation - Nissan Pathfinder Forum
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post #1 of 56 (permalink) Old 03-15-2013, 06:21 PM Thread Starter
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Electric Trailer Brake Controller Installation

I finally installed my electronic brake controller for my electric brake trailer into my 2013 Pathfinder. This wasn't a difficult job. These instructions should make it a little easier for you.

I haven't found the best place to mount the actual controller yet. I think I have found the third best place and currently have it mounted there. I'll explain how I currently have it mounted, then I'll discuss other options.

First find the brake controller connector under the dash (see page 9-25 your PF owners manual). In the first picture I have already used a long thin knife to reach up and cut through the tape holding the factory connector to the harness. The next picture shows the factory connector hanging down with the protective cap on (the protective cap isn't mentioned in the owners manual!). The next picture shows my electric brake controller wiring harness connected to the factory connector with the protective cap in my hand. If you mount the controller where I did, you will only need about 8" of lead. I snaked the wire over into the left fuse panel cutout. I used my brake controller harness and spliced to the Nissan supplied adapter, However I recommend you buy the Nissan adapter from the manufacturer of your controller. Nissan changes the colors from the factory connector, to their supplied adapter, and none of the colors seem to match the standard brake controller colors. If you modify your own adapter, study the wiring very carefully.

I mounted my Tekonsha P3 to the fuse box cover opening. There was a lip there that allowed me to drill two small holes (after checking that nothing was back there) that would not be visible if I removed the controller. I used the standard bracket that came with the controller. You can't really see the controller from outside the vehicle and you can't really see that I don't have the fuse panel on.

Lastly I have my pop-up all hooked up for the test drive. The brakes worked perfectly!
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post #2 of 56 (permalink) Old 03-15-2013, 06:47 PM Thread Starter
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So I mentioned that I think I mounted my controller in the third best location. I was going to mount it to the right of the steering wheel, but thought I would be bumping it with my knee. I had that problem with this controller in my Explorer. I finally decided on mounting it to the left slightly inside the fuse panel. During my trip I didn't bump it at all.

However, I would like it to be less intrusive. I think that INSIDE the fuse panel with the fuse panel cover on would be the second best location. I noticed that the Tekonsha Voyager is 3"Wx5"Lx1.5"D and the top is flat. That might fit inside. Once the controller is setup you really don't need to access it. I only used the manual knob one time in 10 years, so I don't really think you need to use it for lightweight (<5000Lb) trailers.

Finally, I don't know where the best location would be, still looking!
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post #3 of 56 (permalink) Old 03-16-2013, 06:50 PM Thread Starter
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Electric Brake Controller Wiring Chart

I recommend using the Nissan adapter that you can buy with your brake controller if possible. However, if you are going to do it yourself, these are the colors that worked for me to connect my 2013 Nissan Pathfinder to my Tekonsha P3 Proportional Brake Controller. While I double checked this chart be sure to double check yourself. Don't match color to color when hooking up the wires, double check the charts.

Also, a proportional brake controller is better than a timed brake controller.
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post #4 of 56 (permalink) Old 03-19-2013, 01:04 PM
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Were you able to access the fuse panel without removing the brake controller? I like your idea of mounting it inside, but I tow a couple different trailers, and I have to adjust the controller based on the trailer I use. So, I may try your current location. The controller is sitting in a box waiting to be installed! By the way, I couldn't find my wiring under the dash. I had to take it to the dealer, and he had to remove the panel under the steering wheel to find it. It was very well hidden!
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post #5 of 56 (permalink) Old 03-19-2013, 02:23 PM
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Thanks for taking the time to upload the photos and pics. Will help when if people decide to tow with the pathfinder.

2001 Nissan Pathfinder SE 4WD
2013 Nissan Pathfinder?!?!
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post #6 of 56 (permalink) Old 03-22-2013, 11:31 PM Thread Starter
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Yes and no on accessing the fuse panel with the brake controller installed. Some fuses I would have to pull the brake controller to get to. However, I had an explorer for 11 years and never had to replace a fuse and my camry for 14 years and never had to replace a fuse. So, wasn't too worried about it. I'm still hoping to find the 2nd or 1st best spot for the brake controller.
The wiring was well hidden. I was hoping the pictures would help people find it. You definitely have to move the seat all the way back and lay on the floor to look up in there to find it. I wish they would have done it a little differently. If you think about it, Nissan could have built it in, and allowed you to set the boost from the info screen.
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post #7 of 56 (permalink) Old 04-22-2013, 12:19 AM
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Thanks for sharing. I'm going to follow your instructions, the spot you picked is as good as it gets.
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post #8 of 56 (permalink) Old 05-04-2013, 10:09 PM
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Thanks very much for your instructions! I mounted a Tekonsha P3 in the same spot. If you had not mentioned the protective cap on the factory connector, I wouldn't have been able to figure it out myself. It looks like a connector, not a cap, and is difficult to get off.
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post #9 of 56 (permalink) Old 05-19-2013, 07:42 AM
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Thanks so much. I had found the harness but did not know there was a protective cover on it so spent an hour looking for another harness only to find out I had the right one.
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post #10 of 56 (permalink) Old 06-05-2013, 08:16 PM
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Thanks Just Checking!

Thanks for the pics! We have a JX35 and just finished mounting the brake controller. Made life easy locating the harness and great heads up on the harness cover!!
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