How To Power A Car Stereo With A Computer Power Supply

Or just use a knife like how i did -needle nose pliers. Ive seen people use computer power supply units the big 350 W guys but that seems like major overkill here especially since Im only looking for the 12v and wouldnt need the other wires from a PSU like the 33v and 5v lines.

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If that still doesnt work either your power supply is no good or its your stereo deck.

How to power a car stereo with a computer power supply. Unless you require a rock. First connect one 1 yellow wire any from your PC PS Personal Computer Power Supply to the 12V positive terminal on your car amplifier. A battery charger is generally unregulated.

-solder-less butt connectors unless you plan to. Alternatively he could rig up a transfer switch to power it from an external 12 volt power supply but the external power supply might be quite expensive and the wiring is a bit of a pain. If its relevant the stereo was on a 10 amp fuse when it was in the car.

After removing the stereo from the car connect it with a 120 volt supply unit and then connect it with a plug. When the radio in my garagewoodworking shop died cheap guy that I am I cobbled one together with an old PS and a car radio. Some amplifiers do their work in multiple stages each affected by the power supply.

To connect the car stereo with the outlet plug two basic things are necessary the first thing is removing the stereo from the car and the second thing is to connect it with the outlet plug. Now from the stereos harness loom find the wires in the back cut off half an inch of the insulated part from the red and yellow wires. You can also buy a 12v convertor.

A computer power supply unit provides much more power and if you overload it then it automatically shuts itself down. Cut a 12V wire yellow and a ground black wire from the main connector. Then you should connect all the wires properly as during the installation of the stereo.

However before spending money on a battery charger borrow one and do a test. Cut the 12V wires yellow and the same number of ground black wires. FWIW an old computer power supply will also work.

Strip the insulation to leave about 38 to 12 bare wire. The regulated DC power supplies. 1 X Research source.

The yellow and red cables are switched power cables. On my PSU there are black blue yellow orange red and greenStep 3 Try to eliminate blue orange red and green. How to power a car amp with a computer power supply diagram and details Using an ATX desktop computer power supply for a car amp isnt hard in fact you only need a few steps.

Gain and amplifier stage design also play into this. I am going to teach you how to mod your old computer case into a stereo and wire a car stereo to a computer PSU. A DC power supply is used in place of a 12 volt battery when you need to operate car audio equipment and the only source of power is the mains voltage AC wall outlet.

It will work very efficiently. Some high current battery chargers will produce up to 17 volts as the battery reaches it fully charged state. If this system is used in a quiet room or with closed headphones so that there is nothing to mask the noise your choice to use a PC power supply might effectively ruin the project.

You should start doing it right away. Now connect one1 black wire any from your PC PS to the negative - or ground terminal of your car power amplifier. Step 1 Disconnect all power from PSUStep 2 Depending on year and model of PSU there may have different color wires.

A normal power supply can provide 12 volts at 19 Amperes figure quoted from a HP dc5100 MT Computer which is exactly what most Car Audio amplifiers need. It is possible but unlikely that the charger will create a lot of 100Hz hum on the audio. If you get -90 dB noise in an early stage which is followed by a gain stage the noise gets.

This type of power supply is similar to a battery charger but has much better manners. Finally tape all your wires check your wiring plug in and see if it works if you turn the power supply on and the internal fan comes on but the deck does not try to find a power button on your deck if that doesnt work un-plug your power supply wait 10 minutes for the capacitors to drain and check your wiring. This is the second case i have made.

I will not delve much as to. The yellow cable from a computer power supply usually provides the 12 Volts. How to wire a computer power supply to a car stereo.

Although it will drain the battery over time. Now connect another yellow wire any from your PC PS to the remote terminal the one in the middle of the positive and. If just for testing purposes on aftermarket radio hook the yellow and red wire to positive on battery black to ground.

First of all you should dismount the car stereo system and put the battery charger nearby. Using an ATX desktop computer power supply for a car stereo isnt hard in fact you only need a few steps. This video Shows how to connect your car audio Video unit in to home audio unit using Computer ATX power SupplyAll you need1 Any Head unit Car stereo un.

When the radio in my garagewoodworking shop died cheap guy that I am I cobbled one together with an old PS and a car radio. I had e a car stereo in my garage with.

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