Why does my stereo keep cutting out?
If the sound keeps cutting on and off or if there is an interruption in sound while driving, this could be an indication that there is a short in the speaker wires or a loose connection in the installation. It is recommended that a qualified professional installer inspect the speaker wires and installation.
Why does my car stereo shut off when I turn it up?
If the car stereo or amplifier powers off when raising the volume, then there may be an issue with installation. This usually occurs when the ground wire is not connected properly. However, it also can occur when an amplifier becomes overloaded by connecting too many speakers.
How do you diagnose a car stereo problem?
Use a multimeter to test the stereo’s two power wires. This will help you determine if there is broken or faulty wiring. One power wire provides power to the stereo’s memory and is always hot. While the other wire is only hot when you turn on the ignition.