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Audi A1 Towbar Electrics 7 & 13 pin

Many manufacturer’s have designed their vehicles similarly to a computer in the way they deliver all the signals around the vehicle. These digital signals interact with one another and each item of hardware is able to communicate with each other. For example, if the correct electrics are installed, the operating system of the vehicle will recognise the presence of this module and ‘change’ the way the vehicle operates. Likewise, when the trailer plug is connected, the vehicle will ‘detect’ this and open up a communication process. This vehicle network system is known as CAN bus (Controlled Area Network). NOTE! This ‘detection’ process will only operate if special towing electrics are installed. The ‘Universal electrics by-pass relay’ will NOT allow this detection to take place.



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