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Installing the Tweeters. Some tools and spots within the vehicle can be sharp, so be careful when you are working with them. System Design The first step that has to be taken when you are designing your own enclosure is figuring out how much space is available in your vehicle. Boost: Some amplifiers include a boost button that increases the output at a certain frequency. 33 ohms. You can find some freeware on the Internet, you can buy your software.
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Securing the Enclosure Once your box is complete, all you have to do is secure it in the vehicle. Also included in these kits are a ground wire, fuse and fuse holder, a remote turn-on wire and ring terminal. This is why you can turn the ignition backwards and the stereo system runs even though the car is not on. Step 2.
1. Cut the power wire. If it is behind or under a seat, make sure you leave enough slack to allow some movement. Strip back a small portion of the insulation and connect it to the larger terminal that should be labeled "12 Volts" or other similar labels.
2. Determine where the ground wire is going to go. The ground wire needs to be attached to the vehicle chassis and it should be kept as short as possible. It must be connected to metal however, so remember that. Seat bolts or other frame bolts are a great place for grounding these. Scrape back any paint on the metal surface that will be under the ring terminal.
3. Connect the ground wire to the ground connection terminal on the amplifier.
4. Connect the amplifier remote turn-on wire to the turn-on connection.
5. Plug in the RCA cables, making sure the correct color plugs are connected to the amplifier (red to red, black to black)
6. Connect the speaker wires to the amplifier. Make sure the correct speaker wires are connected to the correct terminals on the amplifier. If you are unsure which set of wires goes to which speaker, you can use an alkaline battery (AA or AAA) to "pop" the speaker to help determine which speaker wires go to which speaker. ONLY USE THIS FOR THE SPEAKER WIRES.
Tip 1: Be sure that none of the copper strands from the wiring is exposed and touching the amplifier or the other terminals and wires. This could damage your car.
Tip 2: When running the wiring to the amplifier, make sure the wiring is tucked as far out of the way as possible.