How to hook up a radio

What color wires go together in a car stereo?

General Wiring Codes

Red and yellow wires provide constant and switched power, respectively. Black is the ground wire, while blue is accessory power. The latter is used to activate amplifiers, equalizers and other accessories that need to turn on with the radio.

What is the blue wire for on a car stereo?

One thing to note, most head unit wiring harnesses also have a solid blue wire. This wire is typically for power antenna or factory amplifier turn on, do not get this wire confused with the remote turn on wire with the blue/white stripe.

Where does the red wire go on a car stereo?

The red wire is for the 12 volt ignition, which can be attached to the stereo. The yellow wire is the 12 volt battery wire, which should also be attached to the stereo for power. The final wire, the black wire, is the ground wire. This wire, once attached to the stereo, will help ground it.

What color wires are front speakers?

Speakers. Wires with black stripe are for negative power: Right front speaker: gray. Left front speaker: white.

What color speaker wires go together?

Speaker Wire Color CodesSpeakerTerminalWire ColorLeftNegative (-)BlackLeftPositive (+)RedRightNegative (-)GreenRightPositive (+)White or Yellow

Can you connect a red and black wire together?

Red Electrical Wires

These wires are typically used for switch wiring as well as the interconnection between smoke detectors hard-wired into the power system. You can link two red wires together, or you can link a red wire to a black wire.

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Can you hook up car subs to a home stereo?

A subwoofer meant for a car stereo can often give you better sound quality on your home theater system. … So you need to plug in the subwoofer’s amplifier separately with a power inverter and then hook up that amplifier to the main amplifier on your surround system.

Can you wire a car stereo to a house outlet?

Although using a power supply to hook up a car stereo in the house is one way, you can do it even it if you don’t have a PSU. You connect the speakers to your car stereo using the gray and green wires. You may need to use extra speaker wire. … Make sure every wire is completely covered before you plug it in.

How do you connect your phone to your car radio?

Just use an 1/8″ to 1/8″ auxiliary cable (available at RadioShack or any electronics store) and connect it from your phone’s headphone jack to the car stereo’s aux input. Some cars come with bluetooth built into the stereo, and if your car has it, check the owner’s manual to find out how to pair it with your phone.

What is a blue wire used for?

Blue wires are used as travelers, usually on three- or four-way switches (controlling a light from multiple locations) or as switch legs for things such as fans or lights. Yellow wires are almost always used as switch legs for outlets, fans, or lights.

Is a blue wire negative or positive?

Brown, blue and green stripe wiring is actually more common than our black, white and green. Brown is your hot wire so you want to connect that to your building’s black wire. The blue is negative or return, so that will go to white.

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