If your car is of such design, you need not worry. In this video I explain how to fix the issue where you turn the key, but nothing happens. What do you think? it wont turn off automaticly when i shut the car off. If all else fails and the car stereo won’t turn on, chances are you are faced with a defective audio unit. The other power wire only becomes hot when the ignition is turned on. The yellow wire should always have 12 volts even if the car is turned off. Use a multimeter to inspect the power at the back of the radio. Black (usually ground) Red (usually battery) and Yellow (usually constant power). Since my friend had an older car, we were able to determine that the unit needed to be replaced. Go to Product Repair. could any one help me. My car stays on. The most common reason that a car key will not turn is that the steering … i basically cant do anything. Some car manufacturers, however, may design the car electronics in such a way that the head unit won’t turn off for about 10 minutes after you have turned the car off. Wired to - Answered by a verified Car Electronics Technician. Some audio units have an anti-theft protection mode that gets affected when there is a loss of power. I'm putting money into this damn thing and it won't … We recommend downloading and installing the latest version of one of the following browsers: Our site is not optimized for your current browser. What you'll need to do is take a wire and splice it into an accessory or ignition wire (preferebly an accessory wire) from the ignition harness or behind the fuse box, and run that wire to the red wire on the radio harness. The unit screen goes grey and says no signal and nothing functions while headlights are on. Step 2. Can Sony car stereos run after you turn the ignition off? Power on the car stereo. I did connect both black grounds together and they connect into the factory harness. © 2021 Car Understanding - Share Tips, Guides & Reviews. Adding a CD player or MP3 ready stereo to your car can give you the opportunity to listen to new music as well as improving the overall sound quality of your car’s sound system. Which simply means that for some reason, the power button stopped working altogether. On the other hand, if you plugged in your CD player into the main audio unit and suddenly your car stereo won’t turn on, you may have blown out a fuse. My battery is being drained due to the power staying on after the ignition is turned off. Be among the first to get the latest I’ve Checked the Power, What Else Did I Miss? Of course, if you access the car itself with your key, you likely won't be able to turn on the ignition because of all those extra tumblers. In some cases, the wires may have been dislodged. So, you need to check the fuse box to fix the problem. Some audio units have six pieces of wiring. iv just fitted a after market sony sterio. Nada. A power surge may have caused damage to the fuse. What’s With the Pigtail Connector and Wiring? Here’s another possible cause that seemed pretty obvious and which I learned from my friend. ... Only way to turn it off is eject it when i leave the car. You insert the key in the ignition of your Mercedes-Benz, but nothing happens. By this Method You can make your Tablet (only Android) turn on and off with car key. If you have to reprogram the preset stations for the car stereo every time you turn the ignition switch to off, there may be a problem with the wiring. Car stereo doesnt turn off with ignition? Connecting a non PSA radio to a multiplexed car can cause all sorts of mayhem. Stereo wont turn off when i take the key out the ignition. It’s a fact of life that mechanical things tend to wear out, and the same goes for mechanical keys and key cylinders used in your car’s ignition system. It works perfectly, whilst the vehicle is off and when the motor is running. The Head unit is an Alpine CDE-114BTi. An amplifier connected to the main audio unit could also be a problem. Test the stereo. You can try hooking up a different stereo to check if the stereo might be the problem. If the car's battery is dead, you will often notice that the key won’t turn. It looks like JavaScript is disabled in your browser. Your amp will be on when your car is on and off when you car is off. Make sure no wires are touching at all and sealed right. Whenever you turn off your engine, you’re supposed to turn the key all the way towards the bottom in the “Lock” section. A good sign is that it has power, so it means it’s not busted. Turn the ignition key to the accessory setting and press the “Power” button a few times to verify the condition. At first I was having problems with the stereo not remembering the preset radio stations but having … Before you install the stereo in the center console of your vehicle, reconnect the battery and turn the car on to make sure it is functioning properly. Someone has … A busted car stereo is upsetting. Consult the manual and verify if the wirings are connected properly. Diagnosing a Dead Car Battery. Now, let’s get to the bottom of this and determine the possible causes behind why the car stereo won’t turn on but has power. But, if you installed a new car stereo but it won’t turn on, then most likely the problem is either of the above. Check also if that wire leads to another fuse that may be blown out. Has these 3 wires that had nothing to connect to were orange reverse, blue/black power antenna orange/black... Have power but the fuse the buttons on the ignition, which the. We will need to replace the power button stopped working vehicle are working and that CDs or your MP3 play... 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