Stereo receivers pre amps and integrated amplifiers rarely have subwoofer output jacks or offer bass management. It can be modified to work with all stock stereos but you may ne.

Subwoofers Faq
How to hook up a subwoofer in a truck. In this video you can follow along as one of our experts installs an amplifier and subwoofer in a car with a factory stereo. Crimp the terminal ring from your wiring kit to one end and attach the fuse holder to the other end. The value is often found printed on the magnet if youre unsure of what you have. Today i will show you how to install a subwoofer and amplifier in your vehicle. Impedance is the amount of electrical resistance or load a sub puts up against an amplifiers output. Step 1 decide the size of the subwoofer.
Subwoofer voice coils usually come in 2 ohm 4 ohm or 8 ohm impedances. In this instructable i will show you the whole process of installing an amplified subwoofer into a car. See how to install a powered sub yourself in this video. The first step to installing a subwoofer is to decide the size of subwoofer you need for your truck. The impedance of a subwoofer coil is expressed in ohms. Its important to keep the fuse close to the battery since the lead between the terminal and the fuse is unprotected.
Strip the insulation from the end of the wire that leads to your amp and attach it to the other end of your fuse holder. Series wiring and parallel wiring. Crutchfield americas trusted electronics specialist since 1974 has award winning customer service free lifetime tech support and free. Adding a subwoofer to your factory stereo is a great way to improve your sound without giving up your familiar factory controls. A car audio subwoofer is part of a cars audio system that provides the bass frequencies and installing one can improve the level of sound in your car. The subwoofer is hooked up to the receiver with a single interconnect cable.
Even if it is your first time doing this you can usually knock it out in a weekend. Installing subwoofers in a car. This process will work with most stock stereos and all aftermarket stereos.