How to Install a Standard Brake Controller on a 2020 Land Rover Discovery

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Question:

I have a 2020 Land Rover Discovery. It has the factory tow package. I am looking for a traditionally brake controller. Your website only displays the Bluetooth options, which I dont want. I tow a boat with 2 axle electric brakes and want a traditional brake controller that i connect into the vehicle with a pigtail. Do you have that option?

asked by: Roger Y

0

Expert Reply:

I can definitely help you get a brake controller installed on your 2020 Land Rover Discovery, but it might be a little more difficult simply because none of our brake controller manufacturers have a pigtail fitment confirmed for under the dash, and I wasn't able to find an online copy of the owner's manual to see if one even exists - this is why we have tee-in fitments listed like the Curt Echo In-Line # C79DR.

If you can confirm that you have a pigtail underneath the dash on your driver's side then you can install a traditional controller like the Prodigy P3 # 90195 just fine. You just need to connect the pigtail wiring to the following functions:

Blue - 7-Way Output to Trailer
Black - 12V Power
White - Ground
Red - COLD Side of Stop Light Switch (only gets hot when brake pedal is pressed)

If you can't find any of that wiring then you can use the Universal Stop Light Switch Kit # RM-751000 and Universal Wiring Kit # 5506 to obtain all of the functions listed above. I'm attaching a wiring diagram for our Wiring Kit # ETBC7 that shows where the wiring from the pigtail on the brake controller are supposed to connect if you do end up going that route.

expert reply by: Jon G

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Brake Controller Wiring Diagram
(click to enlarge)

Answer 1

A blinking green light on your Brake Buddy Stealth Supplemental Braking System #HM39530 indicates a breakaway event so you most likely have a wiring issue with the all-in-one connector on the vehicle. I recommend checking the harness for any cuts,…

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Answer 2

It is certainly possible for any axle to wear out enough over time to need replacing. Since the suspension is built into a torsion axle if the suspension part was to wear out pretty much the only solution would be to replace the axle. If the…

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Answer 3

Based on your trailer tire size the Fulton Trailer Fenders part #F008585-2 would work very well for you. To see a chart with the fender dimensions see the attached picture.

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Answer 4

I'd be happy to help you with that. For starters, the #F008584-2 fenders you'd looked at are designed for 14 inch wheels, you'd be better served going with the #F008585-2 which are designed for 15 inch wheels like the ones you have.…

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Answer 5

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 6

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 7

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…

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Answer 8

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 9

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 10

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 11

Good morning, Cliff. As of today (3/27/24) we are expecting the #KE33JR tire/wheel combo to be in stock in about 2 weeks. Hopefully this means we can take our own pictures and put them on the site within maybe about 3-4 weeks from now. What I can…

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Answer 12

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside…

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How to Install a Standard Brake Controller on a 2020 Land Rover Discovery

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