Boosted Electrical Power Supply
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This is a discussion on Boosted Electrical Power Supply within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; I have searched this site and can not find information regarding the manner in which one finds and installs a ...

  1. #1
    Registered User
    Join Date
    May 2010

    Boosted Electrical Power Supply

    I have searched this site and can not find information regarding the manner in which one finds and installs a booster for the electrical power supply to power trailer tow lights. I apologize if I am overlooking something. I am trying to install a wiring harness to power some trailer tow lights and can not seem to get it to work. I have connected the wires as others have suggested. I just read that the '02 does not have enough electrical power to support them and one needs a electrical power booster. Can anyone tell me if they have had a similar experience and how one goes about installing both of these items? Where do you purchase this and what is it even called?

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  3. #2
            MainFrame's Avatar
    Join Date
    Sep 2002
    Austin, TX
    I Support ClubWRX I Support ClubWRX
    Technically a power supply is a device that takes an alternating current, like what is found in your house, and converts it to direct current, which is what your car's electrical system runs on.

    Since all cars work on DC, there's no need for a power supply. It wouldn't even be possible to use one.

    In automotive applications there's basically two things you need to worry about. One is amperage, and the other is voltage. I have "boosted" both in my car. However you don't want to boost your charging system's voltage too much because anything over 15volts will potentially damage electrical components. Most accessories are designed to run between 12v and 14.4v. If your system's voltage is too low some components simply won't work.

    If you need more amps in your charging system the trailer lights would work anyway, but they would eventually drain your battery and your car would shut off.

    Do you need more amps, or more volts?

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