Step by step: How to Fix a Car Stereo That Has Power But Won’t Turn On? Before you progress any further into the diagnostic procedure, you will have to remove the head unit to gain access to the wiring. After you have verified that the unit is actually failing to power up and that it hasn’t entered an anti-theft mode, the next step is to check the fuses. It won't power on or anything. Car manual contains the location of the car fuse box and detailed graphics of each fuse’s function. Jeremy Laukkonen is tech writer and the creator of a popular blog and video game startup. A little research to identify an appropriate factory wire to splice into for remote turn on will ensure the installation is done correctly and avoid wasted time troubleshooting this commonly made DIY mistake. 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. I'm not sure what the problem can be. Most car radios have either one or two fuses that you’ll have to check, and you may also have car amp fuses and other related components in the mix. Check to make sure your XM radio and your car radio are tuned to the same FM frequency. If I press DISP it will show the time, and if I press Eject it will try to eject, buts thats it. In some cases, with certain aftermarket head units and adapters, you may also find that unplugging the head unit and adapter for a time will fix the issue. Make sure that your stereo doesn’t have an alarm and take it out of the cockpit but don’t unplug it. Turn off the ignition switch and wait for five seconds. Typically when a car stereo produces no sound it’s usually caused by a shorted or grounded wire, defective speakers, faulty head unit/fuses, or setup is not yet complete with your radio unit. After that, the head unit does not turn off with the ignition. The battery in my RAV4 died so i jump started it. Answer Save. Maintenance/Repairs. Why Doesn't the 12v Socket in My Car Work? New pioneer car stereo won't turn on. Set one or two radio stations as presets. Favorite Answer. Its not only that stereo either. If these power wires are reversed, the radio will fail to work properly or 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. I was installing a new stereo in my truck and lost where the power wire is. If any of these fuses are blown, that may be the reason that your car radio won’t turn on, so you will want to replace them to see if that fixes the problem. Take the stereo out. All fuses are OK, I have swapped radios out with another vehicle to see if the radio itself was dead, but the radio is good and the problem lies within the car itself. And it also loses preferences (volume, radio stations, etc) Info about the connection from the car: Yellow wire - it is labeled "Battery" (on the car side), voltage is 12 when car is on, 0 when car is off. Probe underneath and all around the car with the metal rod to find where the interference is strongest. Could just be a timing coincidence or, like another poster said, it could be the new headunit is "too much" for an old battery and killed it. Ran the Imprint software and transferred settings to curve 1 and 2. Just my luck it touched the stereo,sparked and now won't turn on. In order to track down the reason that your car radio won't turn on, you'll want to tackle each of these potential issues one at a time. For others, only the best will suffice. The most likely cause of a stereo not powering up is a blown fuse. We tried wiring and installing but stereo won't turn on. the harness should give you proper color leads that match to your new stereo's wiring. Sort by. Press and hold the power button for two to five seconds and watch the radio display. I had two brand new ones and tried those but still would not turn on. With that in mind, you may want to check to see if the pigtail connector is seated properly in the head unit. Disconnected negative terminal after this happened 4. You turn the car on and start the radio but no matter how much you try, you just can’t get the radio to work? Connect the red wire to the same location as the yellow wire and turn the key to the run position and see if the stereo turns on. Get the Latest Tech News Delivered Every Day, Bench Test the Head Unit and Replace if Needed, Fixing a Car Radio That Stopped Working After the Battery Died, How to Fix a Car Radio That Won't Turn Off. I'm not sure what the problem can be. Make sure the FM mode in the SiriusXM Radio is turned Off. 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. To avoid injury or accident, read the following precautions before installing and operating the unit. The Evil Genius. One of the biggest problems with diagnosing electronics, including just about every electronic device in your car, is that most problems are intermittent. I tested my constant, and my ignition wires at every point leading up to the stereo and everything is reading fine. When I attached the new battery, the radio would not turn on and hasn't since. If you need model-specific information to complete any step, check your manual. Is There a Cheaper Alternative to Air Conditioning? Ok so my JVC R618 won't turn on. Earth that part to the body with a bonding strap. July 4, 2016, 9:41pm #1. 90% Upvoted. 17 comments. Remove any surge protector. I used the metra install kit for the radio and the radio works fine exvept it does not turn on in the accessory position of the key. New pioneer car stereo won't turn on - Answered by a verified Car Electronics Technician We use cookies to give you the best possible experience on our website. The unfortunate fact is that if your car radio is suddenly doesn't work, you may be in for an expensive repair bill, or even have to replace the unit altogether. The other thing is that the ground wire is not making contact. Place the negative probe on the … Installing a stereo wrong can cause all sorts of problems BUT making your car not start isn't one of them. 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. red to red, yellow to yellow, thats ign power, and memory constant. My clock has a backlight, but wont show the time, my head unit has lights on, but wont turn on, my cabin and trunk light wonty come on, my central locking wil work from passenger door, but not drivers and the usual sound to turn off my lights when i open the door wont come on. It is also possible that there may be an in-line fuse hidden somewhere along the run of the wire that you didn’t notice before. Lv 7. Radio won't work after new battery installed. Make sure host radio is on auxiliary input mode. In other cases, the head unit will appear to be totally dead, and you will have to enter a code or perform another manufacturer-specified procedure to get it working again. It can also be the MAF/MAP sensor that sends the wrong signal to the ECU to inject too little or way too much fuel into the engine. Some head units have a security feature that prevents them from operating after power has been interrupted. So first off, I began checking all my wiring and everything was fine. I tried to jump it for the second time and it wouldn't work. After about two hours I got it all in and went to plug the cable that goes from the sat reciever to the back of the radio. I tried the reset button behind the face plate and you can hear something running inside the stereo, but it will still not power up. If it still won't turn … I will show you how to diagnose the problem and, if you are lucky, repair it without the need for a mechanic. Release the power button when the display lights up and the radio turns on. Sharon06. For an AM radio, use an aerial extension lead with a metal rod attached. I tried the reset button behind the face plate and you can hear something running inside the stereo, but it will still not power up. There is either still a blown fuse smewhere (car fuse panel will have a radio fuse (switched), and often a fuse for the constant power which can be shared by dashlights, or cigarette lighter (constant). Aftermarket radio won't turn off after turning car/key off. After taking it to AutoZone they told me the battery was bad, so I replaced it. Close. Check the 7.5 amp fuse labeled '7.5 A Radio', which is located in the fuse box next to the left foot. No Audio using Aux Cable: Make sure all of the cables between your SiriusXM radio and your stereo system are connected firmly and securely. If the stations are still assigned as they were previously, that indicates there is a problem with your wiring installation. If the display is totally blank when the unit fails to power up, that is a good indication that you’re actually dealing with another problem. If there are any doubts about the pigtail, you can remove it and replace it, ensuring that it seats properly. Manuals are posted on your model support page. Upgrade your car audio and video systems. I already had this Kenwood (KDC-MP228) Installed in my car and I finally came around to installing the Sirius Satellite reciever in it. hyundai, santafe. Since a stock/factory radio doesn’t have a remote turn on output like an aftermarket head unit, the voltage turn on signal has to come from the factory electrical system. He also ghostwrites articles for numerous major trade publications. After finishing installing my aftermarket radio, I discovered that my windshield wipers, dashlights, rear defrost, dash info display, and the gas gauge do not work. I have to turn the unit off manually with the source button. Though I can't give you a diagnosis over email, I can tell you it is 100% possible to kill a car with a stereo installation. At this point, you'll want to break out some basic car diagnostic tools, like a multimeter and a test light. Prepare your multimeter. 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. If the fuses are good, and the connections are good, then the next step is to check for power at the radio itself. Other causes can be a short in the wiring or other wiring problems. ... How to troubleshoot a Pioneer car stereo which does not turn on though there is power coming to it? So first off, I began checking all my wiring and everything was fine. If it still won't turn on, try a different wall outlet. After 10 seconds, turn the radio off. Attempt to start the engine, (engine won’t start), and allow the ignition switch to return to the run position so the dash lights are on. After that I reinstall the component and test and re-test and re-test the system every step I can to keep track of what might cause the disturbance. In most cases, a poor ground won’t cause the head unit to fail to turn altogether, while a ground that has become disconnected altogether will. When I cant find the root of the problem that came after an install of anykind I usually uninstall the component (in your case the stereo) and see if the problem disappears. 9 Answers. 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. Take extra time to identify the wires correctly. 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. Intermittent problems can be impossible to nail down. Take your multimeter and set it to DC. Turn the radio on by pressing in on the volume control knob. To get the stereo to run you need 3 wires hooked up. Plug the lead into the set, start the engine and turn on the radio. Your email address will not be published. It contains detailed instructions and plans. Check if there's a light indicator on your stereo system after you complete each step. The stereo won't turn on when I press the source button. If you have no power with new or old radio then there is one of two problems. Common Car Amp Problems (And How to Fix Them), What to Do When Your Car Interior Lights Stop Working, What to Do When the Gauges in Your Car Aren't Working, What to Do When Your Car Radio Suddenly Stops Working, Why Your Car Won't Start Even Though the Lights Work. Archived. We will show you how to break down each step correctly so you can start jamming away again on the road! A PLANET AUDIO MULTIMEDIA ABOUT THE LIQUID CRYSTAL DISPLAY (LCD) PANEL Do not press on the LCD panel on the unit as doing so can distort the picture or cause a malfunction. 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. The stereo won't turn on when I press the source button. The remote turn on wire must be connected to part of the vehicle's electrical system that only turns on when the ignition is in the ACCESSORY or ON position. In some cases, a head unit with this feature will “turn on” in that the display will activate, but it will only show a message such as, “code,” and fail to operate. if so, it should be plain and simple. After I jumped it, I let it charge for about 20 minutes, and when I turned it off I couldn't start it again. Aftermarket radio won't turn off after turning car/key off. By continuing to use this site you consent to the use of cookies on your device as described in our … My car has 150000 miles. Some of the most common issues include a blown fuse, bad or damaged wiring, and anti-theft modes that are often triggered when the battery dies. Although you can check for power at the back of the radio with a test light, you’ll get a more complete picture if you use a multimeter. 5 Ways to Improve Your Car Radio Reception, Identifying Aftermarket Car Stereo Wire Colors. I started my car and the radio did not work. There are a few different reasons for a car radio to stop working after the battery has gone completely dead. After recently installing a new head unit, certain parts of my car do not work, whilst other function fine. Today the dealership did a tuneup, replaced the timing belt, and put in a new battery. Everything else seems to be working fine. Today we answer a fairly common question about not getting any sound from a car stereo, even though it powers on. Oh these are always fun. However, you may want to consult the owner’s manual, if you have access to it, or contact the manufacturer if you don’t, in order to verify that there isn’t a specific procedure that you will need to follow. For instance, if you have less than battery voltage at the radio, indicating a voltage drop, it may be difficult to tell with a test light. Leave the car running. We tried wiring and installing but stereo won't turn on. New comments cannot be posted and votes cannot be cast. My car … In the event that you find no power at the head unit, but there is power at the fuse block, you are probably dealing with a broken wire, so you will have to trace the power wire back to the source. One will be located in your vehicle’s main or accessory fuse block, and it will often be labeled in an obvious manner. Every speaker in a car audio system dying at once is very unlikely without some serious abuse, like cranking the volume high enough to blow the speakers out. Everything seems fine except my radio wont turn on at all. Securely plug your device to a working wall outlet. While it is possible for a car radio to fail altogether, there are a lot of internal and external issues that can be fixed well short of total replacement. Relevance. When that happens, all you have to do is enter the right car radio code, and you’re back in business. Buying and installing an aftermarket car stereo can breathe new life into your car. If any of these fuses are blown, that may be the reason that your car radio won’t turn on, so you will want to replace them to see if that fixes the problem. Jerrick Leger is a CompTIA-certified IT Specialist with more than 10 years' experience in technical support and IT fields. From top-of-the-line car stereos to the best in-car video available, BestBuy.ca makes it easy to get better sound, better video and a better driving experience. The most common reason why your car won’t fire up is actually lack of fuel. Turn off only the car stereo using the POWER On/Off button. I tested my constant, and my ignition wires at every point leading up to the stereo and everything is reading fine. Vibration can cause wiring to become loose. If I press DISP it will show the time, and if I press Eject it will try to eject, buts thats it. Required fields are marked *. So you new harness should look like this, well at least the colors of the wires. Continued with installation of new head unit 5. installed head unit, car started and i went to work 6. Please help, I'll go crazy with no radio. Securely plug your device to a working wall outlet. Observe the security TELLTALE. 47. there is … He is also a systems administrator for an IT firm in Texas serving small businesses. If your particular installation has an adapter that connects between the head unit and the factory wiring, then you can also unplug the entire thing and reconnect it to ensure that everything is making good electrical contact, and then attempt to power up the radio again. ... Im installing a new pioneer car stereo and after wiring it. I bought the new car radio/stereo unit, installed it, but there is a problem it wont stay on when i turn of my car. So here's the deal. Wait just a few seconds, then turn the car stereo back on and check if the preset stations are still active. Poor head unit grounds are more likely to cause issues like ground loops than total failures, but if everything else checks out, you will want to verify that your head unit has a good ground before you condemn the unit. It won't power on or anything. This problem can have several causes, most common ones being blown out fuses and bad wiring. save hide report. If you're lucky, you might even be able to fix it yourself. Cars are unforgiving environments for electronics, and vibration, heat and dust can all cause premature failure. How to Install a Basic Aftermarket Car Stereo. The first, and by far most common, is that the radio has an anti-theft “feature” that kicks in whenever battery power is removed. For some people any stereo in a car is sufficient. This will give your car a modern touch and improve the functionality of your car’s stereo. Customer Question. Car stereo issues are very common, especially with older cars. first of all are you using a harness to install your new stereo. 3. Place the protective rubber caps on your probes to make sure that you don’t short circuit the car. This thread is archived. These are the most common causes of car stereo problems. The picture may become unclear, or the LCD panel may be damaged. If you are having trouble with locating wires, or if you just want to make sure that you are doing everything correctly, take the stereo manual. Troubleshooting Car Audio I’m getting a turn off “POP” after I installed your product Typically a turn off pop is caused either by a grounding issue, or just for the simple fact that the amp needs to turn off before all the other equipment. Your amplifier needs a signal to turn on or it will stay on always and kill your battery. You can test an automotive fuse by visually inspecting it, or you can use a multimeter or test light to check for power on both sides of the fuse. When all of the speakers in a car audio system all stop working at once, the problem is usually in the head unit, in the amp, or in the wiring. What is the red wire left when installing a Pioneer stereo with an IBR-WHGM3 harness? Ok so my JVC R618 won't turn on. 1 decade ago. 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