Terrible workmanship during installation causing damage to vehicle computer....

We had a Cartrack device installed in our Ford Ranger and from day one it started giving us issues. It drains the battery. We bought a new battery, and still the battery was draining. We moved to the Cape and it started getting worse to the point the car could not stand overnight and the battery would be drained. After having to resort to Hello Peter i finally got hold of someone who assisted and the tracking device was removed and a new device installed. The technician also advised that the unit was installed incorrectly and that is the reason for it draining the battery. The new device worked fine for about a week when the battery draining issues started again. By now i had the telephone number of the department and arranged to have the device removed but again they left all the wires in. Only removed the little black box. Still the battery is draining. Took the car to an auto electrician who advised although the tracking device is out the wiring used is still impacting the vehicle. R700 account. Then decided to take the car to Ford, who ran diagnostic tests and finally advised the car BCM was damaged due to the power spike caused by Cartrack installation of tracking device. The BCM now needs to be replaced and re-programmed. Auto electrician cost R900 and the BCM part and installation, R10,000... I now need CArtrack to take ownership of their terrible workmanship which caused crazy amount of damage. Who will be phoning me in order for me to provide the report from Ford is the question...