Even if the system is low, it should be longer than 30 minutes to work. I have installed the camera in a Transit Custom, the supplied mounting hardware is completely useless for my car. I have the license plate light built and altered so that I own bracket concealed mount could Luckily I have a workshop and can do it all yourself. Currently I have the monitor and the spark returned and I hope that the new parts actually work. Too bad. The shipping was fast, and the parts look well neat.