Best 25+ Car audio installation ideas on Pinterest | Car Find and save ideas about Car audio installation on Pinterest. See more ideas about Car audio near me, Car audio systems and Car Audio. Car Audio Amplifier Installation - Tips, Tricks, and Now, mount your amp and make your connections. Try to use gentle curves with your wires and cables when possible. Before you fire up the amp to test, turn the amplifier's gains all the way down. And if you’ve disconnected any connectors relating to the airbag, make sure to reconnect them.