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Vehicle Specific Electrics
If you buy a towbar you will also need electrics to power the lights on your trailer or cycle carrier or a complete system to power the internal electrics in your caravan including lights, fridge, etc.
Vehicle specific wiring kits plug into the vehicle’s existing wiring harness and provide either 7 pin or 13 pin solutions that work with your vehicle. Vehicle specific wiring kits provide the ultimate peace of mind in terms of both safety and reliability.
Many motor vehicle manufacturers now design their cars' electrical systems with the ability to recognise when a trailer or caravan has been connected. The vehicle will then alter its characteristics to help create a safe towing environment for the vehicle and its passengers. These features often require activation by the towbar fitter or the vehicles main dealer via a coding tool.
Free Coding with dedicated electrics
Available as:
• 7 Pin Basic minimum by law Runs all road lights (excluding reversing light)
• 13 Pin Basic Runs all road lights (including reversing light) Ideal for newer bike racks
• 13 Pin Permanent Live Ideal for Commercials for the Active Trailer Control System on larger trailers and caravans Supplies power to internal lights in a caravan
• 13 Pin Full Function Includes Basic 13Pin + Permanent Live + Switched Live Quick Reference Guide • LED compatibility on most wiring kits • Fog light cut-o! (stops fog glare from the trailer/caravan when towing).
• PDC cut-o! (reversing sensor cut o! when towing).
• Activation of Trailer Stability Program (extension of ESP) – Safer Towing, enables vehicle to correct a trailer/caravan snaking.
• Active bulb monitoring – Visually alerts the driver that a bulb on the trailer has failed.
• Brake electronics – Boosts vehicle braking to accommodate the trailer/caravan.
• Stop Start – Disables Stop/Start for towing.
• Suspension system – Disables self-levelling if applicable to keep caravan/trailer level.
• Engine cooling system – Boosts engine fans and alters electronic thermostat to keep engine cool when towing.
• Cruise control mapping to accommodate trailer/caravan.
• Reversing camera cut-off.
• Lane change assistant – Disabled during towing.
• Engine Torque Curve – Engine mapping altered to smooth torque delivery (smoother set o! when towing for some vehicles).
• Non-invasive wiring – much neater installation than bypass system.
• Will not invalidate vehicle warranty.
• Allows the vehicle to ‘See’ the trailer/caravan and enable towing features.
With trailer stability program enabled
The trailer is being thrown about as the Stig takes the corners, the car recognizes the caravan is snaking and breaks to rectify this. The caravan looses it wheel at the last corner but even this doesn’t stop the car from keeping on track.
The trailer stability program is only enabled with a dedicated wiring kit.
Without the trailer stability program enabled as you can see there is a lot more smoke from the wheels. The second corner the car and caravan become a cropper. It wont complete the top gear circuit, the strong towbar has stayed in place though.