When I opened the box I didn't know how or where to start when it came to connecting it myself. But found that it already comes with a fuse so you don't need to connect anything to your car's fuse box. A fuse that protects your car from damage caused by overvoltage. It took me two minutes... I just connected the red wire to the positive of the car battery and the black wire to the negative. I now have a 100% Tracki GPS device and don't have to go to the car every night to take it out, charge it and then put it back in. Works perfectly! It has been working intermittently for a month and a half. I hope this helps you decide.
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