Connect the antenna cable the single wire with the big plug at the end to your new head unit as well. How to wire a full car audio system.
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How to wire a car audio system. To avoid problems and get the best sound determine the fuse ratings of your amplifiers and their distance from the battery and refer to the following chart to determine the proper power wire gauge. Wire gauge chart for car audio systems. Connect the car stereo wire harness to the connector that was attached to your old radio and attach the other end to your new one. Wiring in one amplifier can be complicated enough especially when youre dealing with a factory car stereo and the situation just gets more complex when you add multiple amplifiers to the equation. If your car requires an output converter connect this as well so your radio will work with your car. If you have a late model car with an integrated infotainment system it can also be very difficult to upgrade the stereo.
Connect the amplifier turn on wire the next step is pulling the radio out see our related article on car audio installation 101 and locating the amplifier turn on wire leading from it typically its blue in color. This wiring diagram shows how a full blown car audio system upgrade gets wired in a car. To wire a car stereo start by disconnecting your car battery to avoid electrocuting yourself. Then match the colored wires of your radio and your car and twist the wires together. The system depicted includes new speakers an aftermarket receiver a 4 channel amp for the front and rear pairs of full range speakers and a mono amp for a subwoofer. Amplifier turn on wires automatically cue the amp to power up once the radio is turned on.
You can wire two amplifiers or even multiple amps in one car audio system but it takes some extra planning. Everyone has different opinions on car audio and some people just love the look of their factory stereo. When wiring your car audio system using the proper gauge wire for an amplifier is critical. In either case there are a number of ways to improve a factory sound system without touching the head unit.
Gallery of How To Wire A Car Audio System
