![]() Never mount an amp upside down, as dissipated heat will radiate back into the amp. When mounting an amp on a side wall, make sure the fins on the heatsink are vertical. An amp produces some heat during operation, which its heatsink absorbs and radiates, so it needs a few inches of air space around it to stay as cool as possible.Or you could mount the amp on a wooden board and attach that to the car body. You could use rubber grommets around the mounting screws to isolate the case. Do not bolt your amplifier directly to your car's metal chassis - that's inviting noise problems, like ground loops which hum or buzz.The amp can also interfere with the receiver's AM/FM reception. The amp should be at least three feet from the receiver to avoid noise radiated from the vehicle's electrical system.Plan the location:Ĭhoosing the location for your amplifier according to these guidelines will help your installation go smoothly: (The lower the gauge number, the thicker the wire.) For subwoofers, use 16- to 12-gauge wires. When running new speaker wires from an amplifier to speakers, any size wire from 18- to 14-gauge will work fine. ![]() Each wire manufacturer rates their wire's current capacity differently, but as a general rule, for a typical 16- to 20-foot run, you'll be safe using a: Fuse sizeĪn in-line fuse on the main power cable within six inches or so of the battery connection is essential for protecting the wire, your car, and you from a catastrophic fire in the event of a short circuit. Or, you can check out How to determine the best size wire for help doing it yourself. Your amp's instructions will include a recommendation on what size wire to use. What gauge (thickness) of wire to use for power cabling depends on how much current your system will try to consume, and on how long the wiring run will be. In order to operate correctly, an amplifier needs its power and ground wiring to be large enough to accommodate its demand for electrical current. It's also a good idea to measure distances from the amp location to the battery and receiver, so you know what lengths of wire to get. Make sure you have everything before you begin. Don't forget speaker wires - they're not included in most kits. The easiest way to get these items is in an amplifier wiring kit (available at Crutchfield). In addition to installation tools, your amp installation will require power and ground wiring, RCA cables, speaker wires, and a remote turn-on lead. You can also download a pdf version of this Car Amplifier Installation Guide. The installation of your amplifier will depend on the make and body style of your vehicle, as well as the equipment you purchased. This installation guide offers examples of amplifier installation types and suggested system layouts.
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