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  1. Trailer Brake Controller
  2. CURT
  3. Electric
  4. Electric over Hydraulic
  5. Time Delayed Controller
  6. Up to 4 Axles
Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Time Delayed
CURT

Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Time Delayed

Part Number: C47GV
In Stock
$99.95
Trailer Brake Controller
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In Use/Installed

This compact brake controller fits nicely in your cab. You can mount it anywhere you like and it's only 1" thick. The LED display is large and bright so it's easy to see, while the large manual override is easy to reach in a pinch. Great Prices for the best trailer brake controller from CURT. Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Time Delayed part number C47GV can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (1)
  • Q & A (0)
  • Videos (4)
  • Photos

CURT Trailer Brake Controller - C47GV

  • Electric
  • Electric over Hydraulic
  • Time Delayed Controller
  • Up to 4 Axles
  • CURT
  • Dash Mount
  • Under-Dash Box
  • Automatic Leveling
  • LCD Display
  • Up to 360 Degrees

This compact brake controller fits nicely in your cab. You can mount it anywhere you like and it's only 1" thick. The LED display is large and bright so it's easy to see, while the large manual override is easy to reach in a pinch.


Features:

  • Time delayed: activates trailer brakes with preset intensity
  • Rocker switches control gain and load settings
    • Gain: adjusts on scale of 0.5 to 9.9
    • Load: adjusts on scale of 1 to 9
  • Large pinch-trigger manual override
    • Easy to reach without taking your eyes off the road
  • LED display is bright, large, and adjustable
    • Displays error messages so you can troubleshoot
    • Shows settings using numbers and letters
    • Adjusts brightness for best visibility
  • Auto-sleep mode activates after 5 minutes to prevent draining the battery
  • No mounting restrictions: install anywhere at any angle
    • Included mounting bracket and hardware hold the unit flush against the dash
  • Custom-fit wiring harness plugs right into your vehicle


Specs:

  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with low-volt, PWM , ABS , cruise control, and electric-over-hydraulic trailer brakes
  • Dimensions: 4" long x 3-1/8" wide x 1" tall
  • Warranty:
    • Limited lifetime on brake controller
    • Limited 1-year on wiring harness


Gain and Load Adjustment

Curt Discovery NEXT

Gain is the maximum amount of power that will be applied to your trailer's brakes. How much braking output you need is determined by the weight of your trailer; a heavier trailer will need more power to bring it to a stop. You want to go as high as you can without the trailer brakes locking up. Use the orange rocker switch to adjust the gain on a scale of 0.5 to 9.9 in increments of 0.5.


Once you have the gain set, you can fine-tune your braking by adjusting the load control on a scale of 1 to 9 using the black rocker switch. This controls the aggressiveness of your trailer's braking, meaning how quickly the brakes reach the maximum braking level. If your vehicle takes too long to come to a stop, increase the setting. If it stops too abruptly, decrease the setting.


LED Display

The LED display on the Discovery is large and easy to read at a glance. You can adjust the brightness or trigger night mode so it won't glare obnoxiously on your dash. It also will give you clear error messages you can use to troubleshoot.


Curt Discovery NEXT troubleshoot

Installation

Because inertia plays no role in the functioning of this controller, your mounting options are limitless, so long as you can still easily access the manual override. The included bracket is designed to mount the brake controller flush to the dash so it takes up almost no space at all.


The included custom-fit adapter plugs into the port that is built into your electric junction box beneath the dash. The black box is located to the left of the steering column, just above the carpet. To plug in the adapter, first remove the cover on the box. The adapter plugs into the second slot from the left, on the top row. Once you're plugged into your factory port, just plug the other end of the adapter into the Discovery. Because there are no wires to connect, installation is not permanent. You can unplug and remove the controller at any time to transfer it to another vehicle or securely stow it away.


Note: If you don't already have a 7-way plug at the back of your vehicle, take a look at our exclusive 7- and 4-way brake control installation kit (ETBC7 - sold separately).


What is Time-Delayed Braking?

what is time-delayed braking

Time-delayed braking means that when you apply the brakes in your vehicle, the controller activates the trailer brakes at a pre-set intensity and rate. Both the amount of braking power (gain) and rate of application (load) can be adjusted to suit your preference, the road conditions, the type of trailer, and the weight of your load. To determine which levels are best for your application, test your towing setup and choose what feels right.



51126 Curt Discovery NEXT Time Delay Trailer Brake Control - 1 to 4 Axles

Replaces Curt 51120

51342 Curt Quick Plug Brake Control Adaptor Harness

Installation Details C47GV Installation instructionsAlternate Instructions C47GV Installation instructions



Video of Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Time Delayed

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness: The Breakdown

Hi, everyone, Aidan here with etrailer. Today, we're gonna be taking a look at the Curt Discovery NEXT Brake Controller. This is gonna be a time-delayed brake controller. Let's check it out. When it comes to brake controllers, there's gonna be two options you're probably looking at, time-delayed and proportional. Proportional is gonna be the nicer of the two where if you lightly press your brakes, the brakes in your trailer are also going to be lightly applied.

If you slam on the brakes, the brakes in your trailer are also going to match that proportionally. With a time-delayed brake controller, it's gonna be applied at the same rate every time, so you don't get that fine adjustment. You can still adjust the settings, but it's gonna be the same every time. So if we're rolling up to a stop sign, coming to a very slow and predictable stop, and our gain and sensitivity are set kinda high, it's gonna be applying the brakes pretty hard. Same for if we have those set kind of low and we slam on our brakes on the highway, because someone in front of us stopped, the brakes aren't gonna be applied in a similar fashion.

There is the manual override you can always pinch to apply, but that's just something to know with a time-delayed system like this. Let's talk about those controls. The manual override is a pinch style where I'm pressing the button with my thumb. It's pretty easy to reach from the driver's seat where I've got it all set up. So whenever I'm driving, I feel like if I needed to suddenly reach down and get it, I can find that pretty easily every time, and index my thumb well enough to get a good press.

So good to know for emergency situations where you might need that. Now, there's gonna be two sets of controls here for the gain and the load. The orange buttons are going to adjust our gain or our brake power. You can go anywhere from 0.5 up to 9.9, and this is going to signify the different power levels. So 0.5 is the weakest, and as I go up, it's going to get more and more powerful.

So if I have a heavier trailer that needs more stopping power, I'd set it higher. The next one is going to be our load. This is basically how quickly the brakes are applied, so that can go from 1 to 9. At 1, it's going to be the lowest, and at 9, it's going to be the fastest or the quickest application. So basically, ramping from zero to fully applied where we have that gain set. So for demonstration, I'm just going to put the gain all the way up to max, and I'm gonna hit the brakes. And you'll see, slowly, it'll climb up to where we set it. And if I turn that load down all the way to 1, it's going to climb much slower to that designated power level. So you can fine tune this to your own trailer application, and depending on how heavy of a trailer you have and how good the brakes are, that will determine what you want those set at. But generally, that gain is going to be for the weight of the the trailer, and you can kinda determine the load from there. Now, to give a visual indicator of that gain, we've got our vehicle hooked up to a trailer simulator box. I've got the gain set to the absolute lowest it goes, so that's gonna be the lowest brake power, and you can see where the voltage is reading right now. If I turn the gain up to 5, that's gonna be right in the middle, you'll see that voltage will climb up higher. And then if I turn it up to the max, 9.9, you'll see that climb up even higher. So this is just to give you some visual indication of that different power level of the braking. This is designed to work with trailers up to four axles and will work with PWM, ABS, cruise controller, and electric-over-hydraulic brakes. So keep that in mind as you're picking this out if it's gonna work with your trailer. Up to four axles, I'd say for the most part, you're gonna be totally fine. If you don't need one that can go up to four axles and you like this style, Curt does make a similar version that's up to three axles. So that's something to keep in mind too if you don't need this much. Now, the big advantage to something like this, and something you probably noticed if you're familiar with brake controllers already, is going to be the size. It's a lot smaller and a lot more shallow than the brake controller we pulled out of this 4Runner today. And that's great, because even though it's mounted externally, it's not going to be in the way of your knees as you're getting in and out of the vehicle. And as I'm in a normal driving position, I've got plenty of distance between it and my leg. I don't feel like I'm gonna be hitting it all the time, 'cause it doesn't stick out very far. That's thanks to the very low profile bracket. We've got it mounted up with the included double-sided adhesive, but you can also use the included self-tapping screws. Just know that they're pretty long, and you're gonna have to have clearance behind there. But this will just click into place over that bracket. (bracket clicking) You can hear that snap in, and that's what holds it in. One thing to note is that because it's not inertia based, you can mount this really wherever it fits best, so it doesn't necessarily need to be level or facing any certain direction. Now, the installation can vary depending on your vehicle. I'd say check for what your vehicle has in terms of pigtail adapters. That's what we we're able to do with this option from Curt. We offer this pigtail adapter on our site here at etrailer, and that allows us to just plug directly into the vehicle's prep package for this. So just check to see if your vehicle can do that, because that's definitely going to be the easiest option as far as installation goes, 'cause it just plugs right in and all you have to worry about is mounting up that bracket, and then tucking up that wire loom from the adapter. Something else to note is that that LED readout does have a number of different functions. You can adjust the brightness, there's a day and night mode, but it's also gonna give us readouts for different errors. So if something's maybe not fully connected or something, it will tell us here. Your instructions give you a full list of all the different errors that can occur and short descriptions of what they are. But because its screen gives full text readouts, it's pretty easy to tell what's going on based on what it's showing. Like for example, when we first hooked this up to our simulator box, we didn't have the 7-way plugged in all the way, and it told us it wasn't connected. So we went back there, pushed the plug in the rest of the way, and then it worked properly. So that's going to help with just troubleshooting anything that may be occurring in your setup. For me, I think this is a nice middle ground between having the controls, easy to access, and having that LED readout, so you can see those errors and the power, and just have a little bit more control over it while still staying out of the way and being flushed to the dash. But that was just our look at the Curt Discovery NEXT Brake Controller. Thanks for watching.


Customer Reviews

Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Time Delayed - C47GV

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

This compact brake controller fits nicely in your cab. You can mount it anywhere you like and it's only 1" thick. The LED display is large and bright so it's easy to see, while the large manual override is easy to reach in a pinch.

by:

easy plug and play



by:

Wire harness fit perfectly. Delivered quickly and great price. Also the video from Etrailer on how to install the entire unit was spot on.



by:

Took about 10 minutes to install. Have not made all the adjustments yet, but is easy to understand.



by:

Tested . Work fine and advertised



by:

Trailer brake controller was very easy to install and works great with my trailer.



by:

excellent service and delivery.



by:


brake ontrol works great and better
then the one I had before. The plug I got for the truck just pluged right in and I was all set to go. very happy with its performancw.



by:

Easy install with factory 7way plug didn't need any extra not included in kit. 02 Chevrolet 2500HD and pull an aluminum 3 horse gooseneck trailer, this brake system works great so far loaded and unloaded. Mounted nicely out of way to the dash under shifter.



by:

Like its compact size and simple operat ion.



by:

No problems. Plug and play.



by:

Works as it should !



by:

Very helpful, knowledgeable and friendl y!



by:

I purchased a Curt brake controller from the Chevy dealership and when it arrived it was a controller and a hand full of wires to splice into my system. I got a hold of etrailers and the staff was pleasant and sold me what I actually wanted from the dealership. Now I know to call these guys for all my trailer wiring needs.



by:

I bought the brake controller and wore harness it came fast and was super easy to install and used it the next day to tow my at and trailer and it worked perfect I would deffinitly recommend this brake controller to anyone it's a great but for the low price



by:

This made installing my Trailer Brake Controller a breeze. I had a harness already that came with my truck, but would have to get the connector and pins to put on it to mate it up to the controller. This was already done and ready to go. 2 minutes time to installt he brake controller and have it ready to go.



by:

A good product for the price. etrailer has always been great to order from, product ratings, instructions, fast delivery, and variety.



by:

Well built wiring adapter for brake controller plugged into fuse box two screws for new brake controller , done in ten minutes and tested on the road with trailer ..Whole install and op's check took 30 minutes..



by:

It was EXACTLY want I needed - didn't have to cut wires or anything. Simply plug and play. Great offer by etrailer to provide this adapter. Great product, great service, great price rate, fast delivery - what else can you ask for?



by:

worked great. the web sight my daughter bought her controller from did not show that she needed this adapter harness but etrailer web sight did. bought the harness separate and installed in seconds. that's why I tell her I like etrailer.



by:

Ordered this due to wrong harness coming with brake controller. Haven't installed yet but looking at the harness looks like it will work as intended. Plugs directly into the Curt Discovery controller I received. Thanks



by:

I have not had the opportunity to install my latest purchase but I am extremely satisfied with all my purchases from etrailer as to the correct part being sent and full instructions for installation. Please keep up the good work and I am so glad for the free shipping of my purchases.
Thanks, Al H



by:

Great product, easy install with with the wiring adapter. etrailer is the best, fast shipping and helpfull information



by:

I got kit witch should of had a square end but they sent a flat hook-up wouldn't fit so I had to re-order right one$2.89 shipping ,plus had to wait to hook -up would buy from again but would talk to some body before I order great fit work when plugged in



by:

Worked perfectly. I had my brake controller installed in minutes.



by:

Made brake controller installation a breeze. 5 minutes and done. completely plug and play on wiring.


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    To install the Curt Echo Under Dash part # C27JR in your 2000 Chevy Silverado 1500 you'd need the install harness part # C51342 which plugs in under the dash. If you were wanting something a little more economically priced you'd want the Brake EVN part # TK63VR with the install harness part # 3025-P which works great and is very reliable.
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  • Curt Venturer Brake Control Applies Full Power to Trailer Brakes All the Time on 2000 GMC Sierra
    The first thing to check is the wiring harness # C51342 for your 2000 GMC Sierra. Specifically, check the location of the red wire on the end that plugs into the truck. Make sure it is in the same location as the one in the picture. If not, or if any of the wires are in different locations, move them to the correct locations according to the picture. Make sure the controller is mounted within the range specified in the instructions, linked to the right for reference. If it is outside of...
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  • Troubleshooting a Curt Discovery part # C84VV Not Working on a 2002 Chevy Silverado 1500
    On certain model year Chevy and GMC trucks and SUVs there are some connections that need to be made under the hood to make everything fully functional. It happens on vehicles with or without the factory tow package. I checked your order notes and you also bought the Curt Wiring adapter part # C51342. To see what under the hood connections need to be made check out the link I provided to the right that details everything you would need to install a controller like the Curt Discovery part...
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  • Parts Needed to Install Curt Triflex Brake Controller in a 2002 Chevy Suburban
    All you need to install the Curt Brake Controller part # C24VV in your 2002 Chevy Suburban with the factory 7-way is the install harness part # C51342 that you referenced. This harness plugs into the port under your dash and it will be fully active and ready to go once you mount it.
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  • Troubleshooting Curt Brake Controller Installation in 1990 Chevy Silverado
    If your brake controller is a time-delay type like the Curt Venturer # C74VV it should activate the trailer brakes either when you press the brake pedal or press the manual override lever. But if you have a proportional type controller like the TriFlex # C24VV, which is triggered by inertia (from the motion of your truck) then the brake pedal will activate it ONLY if you are moving. With both types of controller the manual override lever should activate the brakes to the selected power...
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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Sabrina W
Written by:
Sabrina W
Employee Amanda K
Updated by:
Amanda K

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