How-to Wire Two 12-Volt Batteries to Make 12 or 24 Volts
Connecting amplifier to battery - 2010 2011 BMW 5 Series Forum F10
After amp install, car doesn't crank/start. Once the amp power wire is disconnected from battery, the car fires up as normal. : r/CarAV
Adding a Second Car Battery for High-End Audio
How To Install At Battery Amp Fuse Holder - YouTube
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