07 Toyota Yaris Hatchback - Electrical Problem. Car won't start

[Mikro340]

In need of serious help I've had my Yaris for about 4 years now. I bought it used and it currently has 85k+ miles on it. Over the years I have installed numerous sound systems, landing me in my current situation. I left the car with my brother while I was out of town for a few days and he called me and said that the car won't start. Upon arrival I examined the car and realized that my starter motor was burnt along with my alternator and engine harness. Ive since replaced my engine harness, interior fuse box, starter, alternator, and ignition switch. The car still would not start. Can someone please help me!?!


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