In some vehicles with an adaptive terrain system, HDC may be activated automatically, for example when selecting Rock Crawl in Land Rovers. When active, the system does nothing until the vehicle descends a gradient, and the driver is off the pedals. When the driver touches accelerator or brake, the system cancels and reactivates when the pedal is released. The harder the descent, the more you should use modern HDC, and in particular, it does a great job of car control on slippery descents, particularly in vehicles without low range.
Enable it, select an appropriate gear, then select the speed you think appropriate, steer…and trust the vehicle. For vehicles with low range, you should always select low range for any form of descent because the less braking you, or HDC has to do, the better. Never use HDC with the gears in neutral. Some vehicles allow a cross-axle differential lock to be engaged while using HDC. While HDC does work in reverse, I find it too fast to be useful in many situations. HDC should also not be used in sand as there is more than sufficient retardation from the soft sand itself.
What is hill descent control and is it better than engine braking? We explain how it works, when to use it and how. To this end, you may choose to install either surge or electric brakes.
Read more about how they work here [link to previous post]. Option one: the trailer can be equipped with mechanical or hydraulic override brakes, which do not require electricity to work and are therefore well-suited for boat trailers, which often end up in water.
In this case, a brake controller is not required as they activate automatically. Option two: equipping the trailer with electric brakes, which run on the electricity supplied by the vehicle. In this case, an electric brake controller is required.
The law also requires that trailers over 2,kg GTM likewise have a breakaway system. A breakaway system is a device that ensures that the trailer slows down on its own accord in the hazardous and unpredictable event that it becomes disconnected from your vehicle while moving. Consisting of a battery mounted on the trailer and a cable connecting the trailer to the vehicle, the breakaway system is activated if the trailer breaks free, pulling the cable out of its plug with it. A switch will then trigger the battery and apply the trailer brakes to slow the trailer down.
The brakes will remain locked for 15 minutes. It is recommended to always check that the battery is charged it should be able to operate for at least 15 minutes and the breakaway system is functioning properly.
To test, simply pull the cable: the trailer brakes should lock automatically. Replace the cable in the switch to disengage. As we have seen, if you are planning on towing any type of trailer with GTM above kg, electric brakes and an electric brake controller are your best bet if your aim is to be safe and compliant with legal requirements.
We at Elecbrakes have developed the electric brake controller that fits the bill. Elecbrakes is a proportional brake controller mounted onto the trailer rather than the car, eliminating the need for hardwiring the tow vehicle. Once installed on the trailer, Elecbrakes will open up a world of opportunities as any vehicle big enough to tow your trailer can now do so, with no additional set up procedures or costs apart from a tow bar. No drilling the dashboard or hardwiring the vehicle is necessary.
Elecbrakes works via wireless Bluetooth technology: the trailer-installed device utilises Bluetooth 4. It is also fully customizable: the driver can easily control the brake response with precise settings you can choose up to 5 favourite programs through the smartphone app, available both for Apple and Android.
A driver who is borrowing or renting a trailer equipped with Elecbrakes will only need to download the free app on their phone—that is the only set up required, once the trailer is attached to the towing vehicle.
The trailer-mounted, compact device employs a high-speed microprocessor connected to sensors, which continuously sample the various operating parameters at a thousand times per second. Its long range capabilities guarantee a consistent, trustworthy wireless connection, without dropouts under typical operating conditions.
No matter how many vehicles will tow your trailer, you will only ever need to install Elecbrakes once—and have the peace of mind of a high-precision, safe, and compliant solution to your towing needs. Unless your trailer weighs less than kg when loaded, you will be required to install brakes. Vehicle-based electric brake controllers require modifications to be made to the tow vehicle or vehicles , usually to the dash area. Both units should be mounted inside the vehicle with screws or other secure fitting methods, to avoid any movement on their part.
Depending on whether the brake controller is of motion-sensing or time-delay type, you may need to position the main unit at a certain angle with respect to the direction of motion.
You will then fix the provided mounting brackets with screws by drilling a few holes into the dashboard and attach the interface to these brackets. Ease of use and ease of installation are a priority here at Elecbrakes. This is why Elecbrakes can be installed and set up in 5 easy steps that require only a few tools and minimal mechanical knowledge, all easily accomplished in under 2 hours. The compact device, with dimensions of 14x9cm, is designed to be mounted on the chassis rails or draw bar of the trailer; it can be mounted on the side, the top or the bottom as long as it is not mounted on an incline.
Plug and play options for existing connections are also available, for an even faster setup. Centre punch mounting hole location and pre-drill mounting holes use mm drill. Lubricate and insert 4 self drilling and tapping screws into pre-drilled mounting holes. Follow the wiring diagram supplied to connect the wires to the trailer wiring circuits, using splice connectors as illustrated. For more information on wiring, click here. Like what you see? What It Does.
Play Video Help on the Downhill Drive. What would you like to do next? Share this video Comment on this video Learn more about this safety feature. When driving downhill, scan the road ahead for any dangers and be prepared to steer to safety if necessary.
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