You’ll find the fundamentals from wiring a new outlet to mounting door speakers. Amplifier, speaker, head unit, subwoofer installations, and under-the-hood power modifications will all be discussed.
If you’re in the market for new audio gear, my number one piece of advice is to find an audio expert to consult before making internet purchases. Most stores won’t have everything you need, and the audio gear is costly. Everything from the head unit to the ring terminals I utilized in my automobile was bought online. As with video, there are a ton of helpful tutorials for DIY audio system setup on YouTube. In short, get advice from an expert, set a budget, decide what you need and want from your system (volume, quality, etc.), and then shop online for the required parts.
Because amplifiers consume so much juice from a vehicle’s battery, the first step is to “beef up” the electrical system. It might be as essential as the Big 3 or as complex as a system with several amps and two batteries, depending on the intensity of the application. The Big 3 is a simple method for enhancing the current flow from the alternator to the battery and the earth. A good wire is required for this. I use 0 gauge wire and ring terminals; it’s worth shelling out the extra dime for high-quality connectors. Finally, a fuse could be added, but it is not required. Adjust the length of your cables and securely fasten the ring terminals. You can now connect these three wires. The first cable connects the battery’s positive terminal to the alternator’s positive terminal. The second wire connects the engine ground to the battery’s negative terminal. The last wire should be secured from the negative battery terminal to a piece of bare metal in the engine compartment. After these three wires are connected, your car’s electrical system will be ready for serious power.
The installation of the head unit is the following step. Many different variations exist for this component. You may need a professional installer depending on how complex your car stereo is and how new your vehicle is. When dealing with older vehicles, the process usually entails more than purchasing an installation kit, removing the old part, and inserting the new one. These are details that only an expert would know.
Amplifiers and capacitors should be fitted after the electrical system is fortified and the head unit is set up. Two amplifiers were employed in my system. So, I will describe how to set that up. The car’s subwoofers require their dedicated amplifier, while the rest of the speakers can use the second unit. Three cables in your vehicle must run from the amplifier to the head unit. The most challenging aspect of the installation is getting the wire past the firewall, inside the car, and through the fuse box to the trunk, where the amplifier is typically housed. The RCA cables carry the sound, while the remote wire controls the amplifier’s on/off functionality. You should have the RCA cables, the wire for the remote, and the power wire (positive) in the trunk after you’re done. Find a spot in the trunk with exposed metal, and connect a ground wire using the same gauge as the power cable if possible. Connect the splitters, dividing the ground and positive wires into two separate lines after establishing the environment and positive cables.
Now you have two power cables (splitter included), two ground cables (bare metal), RCA cables, and a remote wire, all stored safely in the trunk. At this point, you should connect the capacitor to the subwoofer amplifier’s power cord. To prevent the amp from being damaged by a sudden drop in voltage, the capacitor will discharge part of its stored energy. It is now feasible to set up the amplifiers. Find a way to secure the amplifiers in the trunk so they don’t rattle. The power cable is then connected to the amps’ positive terminals. The amp’s negative terminal, where the ground wire is connected. Connect the amp’s RCA cables to the left, right, and white inputs. Finally, link the amp’s remote port to the remote wire. To prevent shock, make sure the power wire’s fuse is blown before connecting. After fusing the head unit and amps, you should turn them on simultaneously.