This article discusses six common car amplifier problems and how to fix them.
No Sound? No Power? Fix Your Amp EASILY with THESE SIMPLE TESTS!
In order for the amplifier to turn on, there must be power to both the remote control and the power wires. There must also be a good ground.
If the remote turn-on wire has no power, your amplifier will not turn on. The remote wire acts like your finger flipping a switch, where your finger is the battery power and the switch is a mechanism inside the amplifier.
The remote turn on wire usually comes from the radio, in which case the amplifier will not turn on if the radio is not on. So if there is no power at the remote terminal on the amplifier, the next step is to check for power at the corresponding wire where it connects to the radio.
