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Car Audio & Electronics

Car Audio & Electronics

Find answers to car audio and electronics questions from installing a car stereo or DVD player to boosting your bass by buying a subwoofer. Learn how to listen to your iPod in your car, and say goodbye to bulky CD cases and boring commercial radio. Looking to avoid speeding tickets? eHow can help you find, install and use radar detectors or radio scanners. From audiophiles looking for high end stereo sounds to long range truckers with CB radio questions, eHow has expert car audio How Tos.

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Showing 1-29 of 29 results

  • How to Connect a Switch to a Car Amplifier

    Amplifiers require more than a 12-volt power source and ground to operate. They're built so that a 12-volt signal--a remote turn-on--is necessary to actually power up the amplifier. In most car...

  • How to Install a Rocker Switch

    this is a step by step instruction on rocker switch installation. it is the same as most it just breaks the negative line to drop the electric current through the devise to allow a cut off so it...

  • How to Use a Tone Generator

    The most verastile tool for most any pouch

  • How Toggle Switches Work

    Toggle switches are capable of controlling a wide variety of devices, ranging from simple circuits, to electronic toys to very expensive machinery. Even the starter switch found on cars, boats and...

  • How a Circuit Works With a Car Alarm

    Electrical circuits are a basic component for devices that rely on electricity to run. Its main purpose is to make use of an electrical current by directing the flow from one point to another. The...

  • How to Check Auto Relays

    Relays are used in a wide variety of applications in automobiles, from intermittent windshield wipers to cruise controllers, flashers, foglamps, stereo equipment and air-conditioning units. Their...

  • How Does an SPDT Relay Work?

    A relay is an electrically operated switch used to isolate one electrical circuit from another. In its simplest form, a relay consists of a coil used as an electromagnet to open and close switch...

  • How Does a DC Relay Work?

    A relay is an electrically operated switch used to isolate one electrical circuit from another. In its simplest form, a relay consists of a coil used as an electromagnet to open and close switch...

  • How to Check if a Relay is Bad

    A relay is an electrically operated switch used to isolate one electrical circuit from another. In its simplest form, a relay consists of a coil used as an electromagnet to open and close switch...

  • How 12-Volt Relays Work

    A relay is an electrically operated switch that isolates one electrical circuit from another. In its simplest form, a relay consists of a coil used as an electromagnet to open and close switch...

  • How Reed Relays Work

    Relay switch contacts can be "normally open" (NO) or "normally closed" (NC), that is, when the coil is at rest and not energized (no current flowing through it), the switch contacts are given the...

  • What is a Car Relay Switch?

    Relays are used in many different applications in automobiles, from intermittent windshield wipers to cruise controllers, flashers, fog lamps, stereo equipment and air-conditioning units.

  • Installing a Toggle Switch

    A toggle switch is really nothing more than a drawbridge in a circuit. If the drawbridge is up, there is a gap between the castle and the rest of the world, and nobody can get in. If it is down,...

  • How to Wire a Relay Switch

    Do you want to add extra lights or electronics to your car, but don't know how? In a few easy steps, you can learn how to hook them up to your car's power.

  • How Does a Theft-Prevention Device Work?

    There are a number of theft prevention devices for sale that will keep your car safe from criminals. One of the less expensive devices involves a kill switch. Kill switches are used in any number...

  • How to Install a 12-Volt Toggle Switch in a Vehicle

    Most automotive toggle switches are three-prong units that are really quite simple to install and wire up, once you understand exactly what it is you are doing. A well-placed and properly mounted...

  • How to Select a Weather Channel on the Uniden PC78Elite CB Radio

    The Uniden PC78Elite is a popular choice among CB radios with optimized features. Many customers choose the Uniden PC78Elite for its 7 NOAA weather channels and weather alert system. It's...

  • How to Adjust the SWR on the Uniden PC78LTW CB Radio

    The SWR (Standard Wave Ratio) is important for the function of the Uniden PC78LTW CB radio. What can you do to make sure that your radio's SWR has a safe reading for operation?

  • How to Use Emergency Channel 9 on a Uniden CB Radio

    If you are ever faced with an emergency, you can summon assistance quickly via your CB radio. Channel 9 is reserved for such situations.

  • How to Adjust the SWR on the Uniden PC78 Elite CB Radio

    The SWR (Standing Wave Ratio) is important for the proper functioning of the Uniden PC78 Elite. What can you do to make sure that your radio's SWR is at a safe operating level? Read on.

  • How to Select a Weather Channel on the Uniden CB Radio

    Your Uniden CB radio comes with three to seven weather channels that offer current weather reports in your location—an invaluable feature for anyone on the road. Here's how to access the channel.

  • How to Select a Weather Channel on the Uniden PC78 Elite

    When you're on the road, you don't want to be caught off guard by unexpected bad weather. With the Uniden PC78 Elite CB Radio, you won't be.

  • How to Select a Weather Channel on the Uniden PRO538W

    When you're on the road, you don't want to be caught off guard by unexpected bad weather. With the Uniden PRO538W CB Radio, you won't be.

  • How to Use Instant Channel 9 on the Uniden PC78 Elite

    Instant Channel 9 is reserved for emergency communications. How do you use it?

  • How to Adjust the SWR on the Uniden PC78 Elite CB Radio

    The SWR (Standing Wave Ratio) is important for the functioning of the Uniden PC78 Elite CB radio. Follow these steps to make sure your radio's SWR has a safe reading for operation.

  • How to Adjust the SWR on the Uniden CB Radio

    The SWR (Standing Wave Ratio) is important for the functioning of the Uniden CB radio. Follow these steps to make sure your radio's SWR has a safe reading for operation.

  • How to Change the Display Lighting on the Uniden PC68LTW CB Radio

    You can adjust the lighting for the LED channel display on the Uniden PC68LTW CB Radio, making it easier to read depending on the time of day. Follow these steps.

  • How to Select a Weather Channel on the Uniden PC78 Elite

    When you're on the road, you don't want inclement weather to hinder you from reaching your destination. With the Uniden PC78 Elite CB Radio, you won't have a problem, provided you follow these steps.

  • How to Set the NB on the Cobra 25 WX NWST CB Radio

    One of the Cobra's strong points is its emphasis on reducing background noise. This characteristic allows the user to receive signals without distracting interference. The NB, or Noise Blanker,...

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