The distribution box turns red
Use a volt meter to measure voltage at the power supply and at the power distribution box. Long cable runs can result in a voltage drop, which can be solved by using a heavy gauge wire. During my amp install the positive wire touched the frame of the car and the amp turned off. Distribution boxes are the unsung heroes of our electrical systems, quietly managing power until something goes wrong. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help.
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