The most likely cause of a stereo not powering up is a blown fuse. Thanks so much! In this part of the article, our editors have explained how you can easily fix your car amplifiers for no sound. Radio stopped working. If your stereo does not turn on at all, it could be because of a blown fuse. If you have a car radio that works sometimes, and suddenly cuts out at other times, that can be more difficult to diagnose. If your radio doesn’t work, but you can listen to CDs, MP3 players, and other audio sources, then the problem is either related to the tuner or the antenna. Well everything was connected properly so i tested my ground, remote turn on, and battery cable for power, everything was fine. Turn the ignition key to the accessory setting and press the “Power” button a few times to verify the condition. If you find a blown fuse, try replacing it and then driving around for a while to see if it blows again. I Turned it off and pushed it into its slot in the console, and its has stopped working. Remove the car stereo from its internationally standardized slot in the car's dashboard known as a DIN -- Deutsches Institut für Normung -- slot. No power or anything. Bose head unit stopped working. My car stereo suddenly stopped working. Cars are unforgiving environments for electronics, and vibration, heat and dust can all cause premature failure. This left the stereo in mute mode. Some cars are able to receive some stations, depending on proximity and signal strength, with the whip retracted, while others can’t tune in anything at all. If you find that the radio is no longer working in your car, the cause is most likely a disconnection from the power source or where the current passes through. Other causes can be a short in the wiring or other wiring problems. Why Doesn't the 12v Socket in My Car Work? Take the stereo out. He also ghostwrites articles for numerous major trade publications. If you get in your car one day, and the radio won’t turn on at all, it’s probably a power or ground issue. If it does, then you have a short somewhere that’s probably going to be a little more difficult to fix. There is no sound through some or all of the speakers for the car stereo. the new radio connected easily enough but has ... ( was it working then stopped) ? Because a vehicle is constantly vibrating while in operation, it is easy for connections to become loose or disconnected.You also need to make sure that the wires are able to accommodate the entire power supply needed to operate the speakers. Got all the wiring looms I needed, including the one for the steering wheel controls. Some security features of stereos actually prevent them from working after a power interruption. Radio (stereo) stopped working 98 Answers. Loose or corroded grounds will usually cause more complicated issues than a total failure, but it’s worth checking before you go out and buy a new head unit. 5 Reasons your Car Stereo Stopped Working: Carter Subaru Ballard Pro Tips One of the great joys of driving is cranking up the stereo and listening to your favorite tunes as you sail down the highway -- and if you're stuck in traffic, catching up on the local news and sports events of … If you have a car stereo that has no sound than we should start by checking that all the wires are hooked up. The most likely cause of a stereo not powering up is a blown fuse. The most common reason for a car radio to stop working after the battery has gone completely dead is that the radio has an anti-theft “feature” that kicks in whenever battery power is removed. Make sure the harnesses are plugged into the car stereo. Tight working-space confines can create difficulty making connections in the first place. Other causes can be a short in the wiring or other wiring problems. If you find that your sound comes back on if you open and shut the door, that may be the problem, or it could be a ground issue. I checked the fuses (even under the hood) all seem to be fine. Here are a few common problems and what can be done to troubleshoot, as well as fix them (my fixes are the most common. Michael Heine is a CompTIA-certified writer, editor, and Network Engineer with 25+ years' experience working in the television, defense, ISP, telecommunications, and education industries. Cars are unforgiving environments for electronics, and vibration, heat and dust can all cause premature failure. Plugged it in, turned on and it worked fine. Car Stereo Has No Power: Blown Fuse/Bad Head Unit Now, let's say the stereo in your car won't turn on at all, but the rest of your car's electronics seem to be working fine.