If we have any bilingual users please can they translate this note concerning the 3 pin cable?
Concerning the 3 pin cable please make sure that the black clip is ALWAYS connected to chassis of the vehicle, or to the negative terminal of the battery.
Please DO NOT connect the black clip to the engine, or the negative terminal of the coil. Doing this will destroy the interface.
The red clip should be connected to the positive terminal of the battery, or in the case of a Mini where the battery is in the boot you will need to find a permanant positive feed in the fuse box or run your own longer wire from the battery terminal.