Car Audio Capacitor Installation There are two terminals on a car audio capacitor. A positive and a negative. The negative terminal is connected to ground. The positive terminal is connected "in-line" with the car audio amplifier +12 volts terminal. See the diagram below.Car Alarm Install GuidesVehicle Wiring Diagrams - Provided by the12volt this list of vehicle wiring Other content from caraudiohelpCar Stereo Installation - Car Audio Capacitor InstallationEnclosure Software - Car Audio Capacitor InstallationWiring Diagrams - Car Audio Capacitor InstallationSee moreA car audio capacitor is an electrical circuit element used to store charge temporarily. This should not be confused with a battery, as a cap only temporarily holds a charge. It generally consists of two metallic plates separated by a dielectric. Related searches for cap car audio wiring car audio wiringcar audio wiring diagramcar audio wiring colorsbest car audio wiring kitcar audio wiring chartcar audio wiring harness adapterhome audio wiringwiring diagram for car stereo