… After I pull the key from the car, the radio will still be on. The article is intended to provide basic troubleshooting steps to determine why the radio won't power on. Sometimes when I try to start my car, it doesn't light up that the car is in park on the dash. While it may be tempting to "fix" a blown fuse by using a heavier duty fuse, it's important to actually drill down, find the root of the problem, and correct it. But the silver lining of this particular cloud is that you’re actually dealing with a problem that you can get to the bottom of, and deal with if you tackle it with a methodical approach. If you have access to a multimeter or test like, that's the better way to go since it is possible for a fuse to fail in such a way that it is difficult to tell one way or the other simply by looking at it. How to Fix a Car Radio That Won't Turn Off, What to Do When Your Car Interior Lights Stop Working, Common Car Amp Problems (And How to Fix Them), What to Do When Your Car Radio Suddenly Stops Working, Why Your Car Won't Start Even Though the Lights Work. I have a salvaged Volkswagen Beetle and I've pressed the power button to turn my radio on but nothing happens. Many GM vehicles have a system that allows the radio to stay on when you turn the key off, until you open a door. If you're lucky, you might even be able to fix it yourself. If you have a car radio that works sometimes, and suddenly cuts out at other times, that can be more difficult to diagnose. I realized after I installed the radio that it won't turn off with the key in the car. You will need to jump-start your car with a jump box, jump it … If your radio turns on, but you … If the fuse connected to the car stereo has blown, the circuit will be incomplete and power simply can't reach the head unit (the part of the stereo in the center console). Some parts of your car, like the headlights, radios, and other electronics might only require a very little amount of power, or amperage, which means that it can run off of a very low, or almost dead, battery. Fuel pump problems can occur when pressure in the fuel transmission system is low. Since the car isn't registering in park, it won't turn on. Show Less. There are a few things that can cause a car radio to suddenly stop working, but it’s tough to say exactly what your problem is without knowing some more information. What Causes a Car's Electrical System to Suddenly Stop Working? If your radio turns on, but you don’t get any sound from the speakers, there are a whole lot of different potential culprits. 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. I was able to get a jump and get the car started but the gps/radio wont turn on at all. In these cases, you may benefit from leaving everything unplugged for fifteen to twenty minutes, reconnecting, and then checking the operation of the unit again. What You Need to Know About Car Amp Wiring. 4 Answers. Answered in 6 minutes by: If your car won’t start, but lights come on, and the radio is turning on, it could be a few different problems. Another surprisingly common car antenna issue has to do with manually retractable whips. The battery is not completely dead, but it is discharged, and even though it turns on the car lights, it can no longer start the engine. 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. Check your owner’s manual. Prepare your multimeter. Potential Cause: The most likely cause for a car that runs fine, but the stereo won't turn on at all, is a blown fuse. The fuse is in the centralized fuse block location with all the other fuses. May 3, 2019 By 1sixty8 Whether the sound system in your car or truck is bone stock or upgraded with premium amplifiers , speakers and subwoofers , the system’s maximum volume may not directly coincide with … Of course, a blown fuse is often indicative of another issue, so you should never replace a blown fuse with one of a larger amperage. A fuel pump sends gas to the engine. Car won't turn on 3 Answers. Our Pioneer stereo unit won't turn on. Attempt to turn on the car stereo system. Some head units have built-in fuses, typically located on the back side, and some installations have additional in-line fuses located somewhere on the power wire or wires. You’ll probably have to buy a new head unit if the issue is in the tuner, but a lot of these problems are actually antenna issues. Any ideas? What could be the problem? I installed a new battery in my car and now my aftermarket alpine stereo won't turn on. Answer Save. Before you get any further into the diagnostic process, you will want to verify that your head unit doesn’t have any sort of anti-theft mode. As for the year, it is a 2004 beetle. Get the Latest Tech News Delivered Every Day, When It's Just the Car Radio That Doesn't Work, How to Fix a Car Radio That Won't Turn Off, Common Car Amp Problems (And How to Fix Them), What to Do When the Gauges in Your Car Aren't Working, What to Do When Your Car Interior Lights Stop Working, Why Your Car Won't Start Even Though the Lights Work, Fixing a Car Radio That Stopped Working After the Battery Died. Check if the power connection wires are properly connected. My Car Died and Then the Radio Didn't Work After I Jump Started It. The issue could be related to the amp if you have an external amp or the speaker wires. If the amp fuse is blown, that is probably the reason that you aren't getting any sound out of your car radio. The radio doesn't say LOC, LOCKED or INOP it is just off. 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. Is There a Cheaper Alternative to Air Conditioning? I put a new radio in my 2006 Jetta TDI in August. If the radio itself will not turn on, chances are good that there’s one or more blown fuses causing the problem. Your radio should have a means to turn it off while the car is running. Depending on where your amp is located, it may be easy or quite difficult to check the amp. Intermittent problems can be impossible to nail down. Most car radios have two power wires—one that is always hot, which provides power to the memory, and one that is only hot when you turn on the ignition key. 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