These are the head unit the main speakers optional amplifiers and the subwoofers which are also optional but generally considered a necessary part of any good 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.

Car Audio System Wiring Basics
Wiring a car audio system. Learn how to install an entire car audio system by yourself. The amp should be at least three feet from the stereo to avoid noise radiated from the vehicles electrical. An amp that isnt secure. Here are a few things to know there as well. This system only cost 300. In some cases a black dot or a red or black stripe is used to mark the positive terminal.
Identify and connect loose wiring. If you are not using a wiring harness clip adaptor you will need to identify the. Purchase a wiring adaptor. Youll need a line output converter that converts high level speaker line outputs from an audio source into low level rca jacks on your amp. The extra gear youll need for wiring the amps includes. Wiring a new stereo 1.
Home stereo and car speakers normally often use a red or plus sign to indicate the polarity for the speaker wiring terminals which you connect your wiring to. A smart mounting location will help your installation go smoothly. Your new stereo will come with a diagram indicating what each wire is and what it needs to. This wiring diagram shows how a full blown car audio system upgrade gets wired in a car. A car stereo system consists of 4 main components and the wiring that connects them. 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.
Connect the output convertor. A dual amplifier wiring kit. When wiring your car audio system using the proper gauge wire for an amplifier is critical. Follow the manufacturers recommendations for mounting the amplifier and make sure its secure. This harness will plug into the factory wiring so you wont have to cut into any of the wires in your car stereo system. The most important thing to look for is a wiring harness thats specifically designed for your vehicle.
Cut the factory wiring at the speakers or behind the radio then plug those wires from the radio into the line output converter. You want to install a car audio system but youre not quite sure the different types of wires and connection parts you will need here is a total overview o.