What Is The Blue Wire On Car Stereo

I get power but no sound.

What is the blue wire on car stereo. You can either track down a wiring diagram for that specific make model and year or you can grab an inexpensive multimeter which is an essential tool for diy car stereo wiring projects and an aa battery and figure it. This wire once attached to the stereo will help ground it. The radio am antenna is that big long metal plug that goes into the more than likely right back side of the receiver. The ground wire for the stereo will be black as will its corresponding wire from the car.

You do not want to end up screwing the entire electric setup. The power wire coming from the stereo is usually red and likely will connect to a red wire from the car. One thing to note most head unit wiring harnesses also have a solid blue wire. I bought a wiring harness to convert the old two plug style harness in the car to the new one plug harness in the radio but the blue wire for the amp doesn t have a corresponding wire in the new harness.

The red wire is for the 12 volt ignition which can be attached to the stereo. We are not responsible for any misprints. If there is no ground wire you can secure the ground cable to bare metal in the body of the car to serve as a ground. Understanding car stereo wire colors are essential if you are adding a new car stereo by yourself.

The yellow wire is the 12 volt battery wire which should also be attached to the stereo for power. A how to guide. Identifying car stereo wires might seem intimidating but in truth figuring out the purpose of each wire in a factory car stereo wiring harness is actually pretty easy. Now all these different color represent something and it should be added or placed at the required port.

I am swapping out my old cassette player from my 98 intrepid to a cd player from a 2005 dakota. To check hot ignition lights dimmer use a test light or voltmeter. The blue white stripe remote turn on wire has a number of other names such as accessory wire system remote control wire etc some of the confusion about this wire may come from the different wiring methods between a factory and an aftermarket head unit. To check speakers use test radio.

If there is only one blue wire then what i d do is connect up the amp s remote turn on wire to the stereo s switched ignition wire yellow on the gm harness red on the stereo s harness and run it through a switch so you can kill it when you turn the stereo off. Car audio wire color codes. Always test wires to make sure they are correct. Wire colors in your car might be different than colors described here.

The easiest way to wire in an aftermarket car stereo is to look at car stereo wiring diagrams for the specific vehicle and head unit but it s actually possible to get the job done without any labels adapters or diagrams. For more info see car stereo installation.