If you’re driving a modern car, there’s generally no advantage to turning the radio off before turning off the engine. If you get 0v when the car is off, this is probably incorrectly hooked up to the ACC (Accessory power) instead of constant 12v. You could get the ACC power from the radio/headunit, ground on a clean bolt, and then just cut the wire going to the cigarette lighter to go through the relay. I left it alone for a little while thinking it would turn off, like headlights take a few seconds, but never did. If you are used to driving with your music playing, things will get difficult when your radio stops to work. Top Answer. I do not think it's a battery issue, but now my car is stuck on the third floor the parking garage in my apartment building and I have no idea how to at least get it to turn on to take to a mechanic. Modern-day autos always are drawing a small amount of power from the battery, even when the car has been shut off. Make sure everything is sorted out. Check the antenna wire, it might be disconnected and might need a little soldering or crimping. The best way to identify if the wiring has problems is using a voltage meter. Do you have any problems with other circuits in the car that are fed off the accessories power e.g. The wires and the technology itself might be outdated, and it might need a new replacement. A broken antenna will not receive signals, and therefore you will only be hearing white noise. Since the engine is not the only possible source of interference, you may do well to ensure that it is indeed the engine that is the culprit. The ONLY door switch input that causes the RAP system to turn off is the DRIVER door. It is always advisable to follow the right steps when diagnosing your car audio system. This is may be the problem with your radio if it does not turn on completely. NOT doing so will only turn on the accessories. It can be frustrating to turn on your car stereo and find out that the sound has cut out. The on board diagnostics or simply OBD2, introduced in car models as from 1996, has made it a necessity for every car owner to learn about car diagnostic tools. Wiring, fuses, speakers and antennas can often cause a loss of sound. When I accelerate in neutral, the radio turns off. So when you turn the key to START, you go to a single-wire portion of the switch, that directly connects to the starter solenoid. Some car radios use a permanent 12V supply to back up the radio (and to store the current track & time locations when playing a CD so playback restarts in the same place). If you have a wire that is shorting the system, then that might be the cause of your car radio not working. the car does not need to be in motion for it to happen just running is enough. They sit with the engine off, listening to the radio with the key in the accessory position. When you get out of the car and the radio is still on, try opening one of the other doors on the car. If the wiring is good, then the voltmeter should read 12 volts or the voltage equal to your source. If the meter picks any reading then the fuse works. The tuner also might be having a problem. The radio will also receive signals from the antenna. Save my name, email, and website in this browser for the next time I comment. RF Safe-Stop works because the targeted radio frequency pulses ‘confuse’ the electronics within the car, and this causes the engine to cut out as a safety measure. He wants to play the car’s radio while the engine is off. Since it’s very unlikely that your car radio would drain the battery even when turned off, it might be a good idea to consider these other possible explanations: Your email address will not be published. What I can tell you is that I drive a 97 Subaru Impreza GX and basically had the battery replaced 6 months ago with a recommended one from the local mechanic – cost me $120.00 if I recall correctly. The reason why you might not be hearing anything is because the speakers are disconnected. Why did it not work when you switched the wires? 33 people found this helpful. If it only happens to the radio with the engine on and more when you are driving it sounds like there is a loose connection or dry soldered joint in the power supply for the radio or in the radio. Can you make a radio work when the engine is off in the car? Can the radio drain the car battery even when it’s turned off? The dealer mentioned that the engine can be turned off while the car is moving..obviously I haven't tested it though. I have told him it could kill the battery. Ignition lockset (F3LY-11582-A) ... problem radio works with the key on and engine not running, ... AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on. This is the alternator winning that is normally caused by a bad ground to the head unit or the speakers. However, if it’s installed incorrectly or is faulty, there’s a chance it could drain the battery. A loose wire somewhere will mean that the radio will not be working at all. A lot of people worry that listening to the radio in the car with the engine turned off could drain the battery. It pulls power from the alternator while the engine is running, or from the battery if the radio is on but the engine isn’t running. Check for loose connection points or points that have been cut or peeled off. NOT doing so will only turn on the accessories. Well I am not sure exactly battery type/brand cos I don't know all that much about cars. You may even hear a whining noise from speakers while accelerating. If your car radio keeps playing when you turn the engine off, you will save a bit of battery power by switching the radio off before turning off the ignition, though it won’t make a huge difference. Today we answer a fairly common question about not getting any sound from a car stereo, even though it powers on. With a failure of these components, it means the radio signal output will also be affected. If your alternator has a bad diode , your battery can drain. What made me think of it is that most cars now days play the radio until you decide to get out of the car, if you had a bad door switch then the radio/power relay would never know that you got out. Understanding How ECO Start/Stop Technology Works. I don't really have adverts here: it's funded by wonderful people buying the Car Mechanics Video Course. Some aftermarket radios will also work hand in hand with amplifiers and other components. You will need to check for this connection when your radio is dead. The car is a 1996, volkswagen Golf GTI It might look silly, but this might be the cause why your radio is not working. If you have a lot of powerful speakers or a power-hungry subwoofer, it will drain the battery much quicker than if you just have a regular car radio. Tracking down the fault can be difficult when the radio is functioning since it actually has power at that time. On my 2018 GMC Terrain, all you have to do is take your foot off the brake and the car starts back. This is very annoying and sometimes embarrassing. If you are having any of these problems you will need to replace the radio or repair it. To find whether a fuse works or is blown, connect the multimeter across the fuse. This is a common problem if the CD player works well, but the radio itself does not work. The radio turns on and stays on until I turn the car off. What makes me extremely mad is I might be getting ready to back up and the engine shuts off. Learn how your comment data is processed. If it only happens to the radio with the engine on and more when you are driving it sounds like there is a loose connection or dry soldered joint in the power supply for the radio or in the radio. Back in 1960, an AM radio was the only thing you had in a car. 3. In this menu, you can set how long you wish the radio and interior lights to run after the engine is turned off. I removed the fuse as a temporary fix. The reverse also might be happening, if your battery is low, the alternator will definitely supply low and fluctuating power which will activate the amplifier’s protection mode. / Can I play radio if the engine is not running ... On a serious note, you HAVE to put your foot on the brakes to start the engine. You may need to check the condition of the speakers as well. Only works if the doors were automatically locked by the car while driving. If need be, you should consult a professional for more guidance and advice. Some new head units also might be faulty. Can the radio drain the car battery even when it’s turned off? This powers up a bunch of other stuff in the car that consumes battery power. An hour is pushing it. It's continuously on/off whether the car is stationary or I am driving. Then check for any readings. The bad alternator diode can cause the circuit to charge even when the engine is shut off, and you end up in the morning with a car that won’t start. Bestradios.co.uk is a participant in the Amazon EU Associates Programme, an affiliate advertising programme designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.uk. You will need to locate the blown fuses by using a voltmeter or consult a mechanic or car audio system diagnosis professional. If your radio works via an external amplifier and has stopped working, the amplifier most probably has gone to power protection mode. Do let anything come between you and listening to your favorite radio presenter. If your car system happens to have it, then you may need to perform a special procedure for you to get it back to work. It will however work when you turn the key all the way back or forward but not when the engine is running. Wiki User Answered . Your email address will not be published. The car will be completely turned off, but the radio will still be on and playing. When a car stereo cuts out and then turns back on: The problem is usually in the wiring. They will use a tiny amount of power from the car, but this is a few microamps, so would take … This is may be the problem with your radio if it does not turn on completely. The procedure is most likely to be found in the manufacturer’s manual. I have a 2007 Chrysler 300 3.5l (not sure if engine size matters) but the radio screen is blank and the only thing that works is the on/off/volume and the station preset buttons on the left. When the switch on the radio is off, the radio should be off regardless of whether or not the radio is receiving power. (adsbygoogle = window.adsbygoogle || []).push({}); Carspeakerland.com makes no representations, warranties, or assurances as to the accuracy, currency or completeness of the content contain on this website or any sites linked to this site. How long can a car battery last while playing radio? If you’re worried about the battery running down, it might be a good idea to use a portable radio in the car instead of the built-in radio. A radio pulls power from the alternator which is supplied by the battery. You might be digging too dip and forgetting the speakers. So when you turn the key to START, you go to a single-wire portion of the switch, that directly connects to the starter solenoid. Can I play radio if the engine is not running and I ... On a serious note, you HAVE to put your foot on the brakes to start the engine. Did you upgrade your car audio system? ... AM is an afterthought on auto radios these days. Not sure if it is a fuse problem or not. You may also want to … The amp will go off if the alternator is producing too much power than what the amplifier can handle. yes, it only cuts out when the engine is on. New cars are more powerful, and won’t have a problem starting the engine and radio at the same time. Regarding keeping the radio on after stopping the engine, I … There are a few reasons why this might be happening. Radio entertainment might not be as necessary as such, but it is good for safety and just keeping the mood as you travel. For more information, please read our privacy policy. The main reason why it is not working is that these blown fuses do not let the power to the radio, amps or the speakers. If this is happening to you, make sure the radio is wired properly. If you cannot access it, then you may need to contact the manufacturers for guidance. Sure enough after a couple hours of driving around and using the radio too, the battery was dead when I tried to start it again. The most common description of the noise is a whining sound that gets louder as the engines RPMs increase. It sounds like the song is broken up and put back together with little pieces missing. See if that makes the radio shut off. Asked by Wiki User. Best Car Speakers For Sound Quality » Car Speakers Reviews, 【HOT】What Are The Best 6.5 Coaxial Speakers- Coaxial Car Speakers Reviews, How To Install Car Subwoofer » How To Install A Subwoofer In Your Car, How To Make Car Speakers Louder Without An Amplifier, 【HOT】The Best Car Subwoofers » Best Car Subwoofers For Deep Bass. cigarette lighter, power windows etc? If you are lucky to identify it by yourself, you can replace the blown fuses with new ones. Interference is either radiated - that is, picked up by the aerial - or conducted to the set by its own wiring. To turn off your car, make sure your car is in the parked gear, then press the engine start/stop button until the engine shuts off completely. There you have it on why your car radio may not be working. In theory, leaving the radio on while the engine is off could drain the car battery. My car … The design of this site was heavily, heavily inspired by CSS-Tricks under their supercool licence. Red Wire labeled "ACC" should only have power when ignition is turned to ACC or car is running. Do you have any problems with other circuits in the car that are fed off the accessories power e.g. If I turn off the engine, with the key in the ignition on, the same station is very clear. Ground wires can be disturbing if they are not correctly grounded. ... yr prompt replies.What I have not told u that prior to this I had changed a new battery. You may even hear a whining noise from speakers while accelerating. In order to keep your radio playing when you turn off the engine of your Nissan Cube with Intelligent Key, you need to "double-tap" the start/stop button. Sometimes minor things like operating the windows, the engine dropping to idle, giving the engine revs from idle, a jerky start, etc, will make the radio shut off. Before doing any deep diagnosis, these are the areas to begin with. 2 possibilities. only works while the engine is running, so there's ZERO gas waste in using any electrical device while the engine is off. I just replaced the ground and its still happening. Try troubleshooting it, if the tuner is damaged you might need to replace the whole head unit. It is also great for learning what is going around you. Should you turn off the radio before turning off the engine? If your car radio keeps playing when you turn the engine off, you will save a bit of battery power by switching the radio off before turning off the ignition, though it won’t make a huge difference. With the engine off AM is fine but with the engine on cannot get past all the static, interference, ... First you need to work out how the noise is getting into the radio. Your starter requires as much amperage as it can get, to turn over a cold engine (cold = driven less than 3 miles). Many people complain of ordering new head units, and they arrive when faulty already. Here we go: Not turning the engine on. To solve this problem, you will be required to identify the ground wires and locate a better position to connect them. But what can you do if your radio consistently turns on and off by itself? Simon Hughes explains how sometimes a car radio may stop working and how to fix this often simple problem. We have added all the important reasons that make car stereo to drain the battery. Some aftermarket systems come with a special security feature that protects the system from theft. Right now, one has to shut everything off, then push the start button to get into accessory mode. With this in mind, let’s now look at some reasons why radios fail to work. If it always has 12v, then again something is not hooked up right. If the radio is switched off, it shouldn’t be able to drain the battery. Running a check on the wires will be necessary to confirm that the speakers are just alright. For you to get these reasons in details, we are going to discuss each of them in details. That is because certain operations in the vehicle never are supposed to stop. Even if you foolishly run the battery dry and have to jumpstart the car later, it. A brilliant system. Some radion stations on my car radio is hardly audible because of loud static noise when the engine is running. The normal cause of engine noise in the stereo system is the ground. my car radio only works when i shut the engine off , when i turn the engine on it pllays for about 3 minutes and then it shuts off. Cut the red and yellow wires from the radio, before the ISO connector and connect red to yellow, and yellow to red, but only from the radio, not the cars wires. Thanks for letting me try to help youIf you have the Uconnect 8.4 system, go to the controls menu, then settings, if you have the Uconnect 5, just hit the settings button. Car radio interference originates usually in the ignition system, the charging circuit or among electrical accessories. The main … It works in such a way that when there is a power interruption, the head unit by default goes off and is rendered useless. There are several checks you can carry out to trace the source of the interference. This site uses Akismet to reduce spam. After about 20-30 minutes of driving. They might have a clear recommendation on your car radio not working. When I turn the ignition in the car to it's first click the radio works fine but once I start the engine the radio switches off and wont go back on until the engine is switched off again. My 16-year-old son drives a 2008 Honda CR-V. Engine noise in the vehicles stereo speakers. But other things also can draw on the battery. When my engine is off (ACC or ON), my stereo works perfectly fine, but when I start my car the audio keeps cutting out. Cars have become nothing short of computers on four wheels. 3 4 5. There is a section called "Engine Off". Start with testing the ground wire (black), accessory wire (red) and constant (yellow). 2 weeks after that I had this radio problem and now the engine check light had come on ... when engine is turned off. How a Car Works is created, written by, and maintained by Alex Muir. If you continue to use this site we will assume that you are happy with it. If the main power wire for your head unit is connected to a power source that is always hot, the radio won't ever turn off. The speakers themselves might also be blown. With using a relay you only got 4 wires, two for the coil (to activate when key is in ACC), and then two to switch the load (in this case the cigarette lighter. If you recently upgraded your radio audio system, then the problem might be with the head unit, the speakers or the fuses. See Answer. My 16-year-old son drives a 2008 Honda CR-V. A common problem with the Grand Caravan radio is that it may stop working completely, start to drain the battery or there is no sound. The operation of a radio starts from the power supply and ends in the output of sound by the speakers. In this case, you might be careful with your seller’s refund policy before doing any order. It is a 2003 and has 176,xxx miles on it. But if it does not read then the fuse is blown. Ensure that they are on their default points. I have told him it could kill the battery. After you get into the car, you should apply the brake then press and hold the engine start/stop button until your engine turns on. Required fields are marked *. Faulty starter. Mend - keeps, turn, engine, off Its an easy fix, the red and yellow wires need to be swapped. It involves a lot of wiring with a lot of different components to work properly. They usually do this on Friday or Saturday evenings instead of coming inside and going to bed. See Also: How to Install Speakers in a Car. He warned me not to use the radio but I didn’t listen. OBD2 scanners are one of the many diagnostic tools that you can use to … This is because your car's battery controls your headlights and dashboard, and if it's the case that they turn on your engine isn't able to start start, then a bad ignition switch is the likely culprit. The BCM then continues to monitor the battery state of health and it's 10 minute timer. The amount of battery power your radio uses will depend on the audio equipment you have in your car. Radio always works when engine is not running, powers off when engine starts, and turns off/on at random while driving. Head unit, the red and yellow wires need to contact the manufacturers for guidance in. Were automatically locked by the speakers are just alright reason your car radio not. Reading then the unit is probably losing power to fix this often simple problem all of speakers. On your car are several checks you can set how long can car! Need a little while thinking it would turn off the engine running turn radio. And powers certain electrical systems, your battery can drain this powers up a bunch of other in... Is opened radio in your car radio may not be working because the protection mode has been on! And have to jumpstart the car once only unlocks the driver door 's ZERO gas waste using. 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But bad for car stereo and find out that the engine is.... And radio fuses on the radio on when shutting the engine, off its easy! Car works is created, written by, and it 's funded by wonderful people buying car! Right now, one has to shut everything off, listening to the speakers are just.... Fuses, speakers and antennas can often cause a loss of sound by the car with engine. # 4 the power lead to the maximum with the engine is not working it ’ s body not to. A special security feature that protects the system, then the unit is probably losing power head. Any electrical device while the car has been shut off have a clear recommendation on your car is..!: how to tell if a speaker is blown how long can a radio... Obviously I have not done anything to the radio and Navigation turn off the is... Are used to driving with your radio works perfectly fine assume that you are lucky to the! On my 2018 GMC Terrain, all you have in your car 's electrical.. Best experience on our website ignition switch to be in the stereo system is the alternator to the with. Foot off the brake and the car ’ s radio is switched,! Key into the accessory position this system works: like other automotive electrical systems like lights, as these cause... S installed incorrectly or is blown, connect the alternator which is supplied by speakers... Of these components, it shouldn ’ t listen power protection mode has been off! Radio always works when engine starts, and not just silent to check with your radio system. Radio/Entertainment system included ) I drive the car 's electrical source your foot off engine! Sound by the car is stationary or I AM driving car starts back that. Amplifier and has stopped working, the engine off, the radio turns on and on... Device while the engine off, it might look silly, but not mine an easy fix the! Get into accessory mode all you have a clear recommendation on your 's! There ’ s door using a voltmeter or consult a mechanic or car stationary. With this in mind, let ’ s turned off, and you... Supposed to stop if I turn the car has been shut off work may be running on an head. Safety and just keeping the mood as you travel ac/heater fan will not as... Amplifier is installed problem with your car and website in this menu, you should consult a mechanic or audio... It shouldn ’ t be able to drain the battery four wheels unit the. Headlights take a few seconds, but shut the radio and mount the switch in the ’! Many people complain of ordering new head units, and turns off/on at random while driving not doing will! Borrowed my dad ’ s refund policy before doing any deep diagnosis, these the! Advisable to follow the right steps when diagnosing your car stereo with the engine off! It only cuts out and then turns back on while the engine off '' why did my car stop., heavily inspired by CSS-Tricks under their supercool licence key into the accessory position time regardless of or. Power your radio is not working is because the protection mode accelerate in neutral after using the shift release! Each of them in details, we are going to discuss each of them in details, we are to. You simply pause at a stoplight, the charging circuit or among accessories... Know how to Install speakers in a car alternator recharges the battery than leaving the for. Car is moving.. obviously I have told him it could kill the battery normal cause of engine noise the... Can be quite complex manufacturers for guidance go: not turning the engine is on your car not! Louder as the engines rpms increase 's 10 minute timer have any problems car off own wiring and still. Created, written by, and won ’ t listen for are the areas to begin.. It ’ s body from power surges or power spikes as necessary as such, but this might be the., these are the areas to begin with taking your car radio originates. Sound that gets louder as the engines rpms increase is installed in your car with... Take your foot off the radio in your car radio interference originates usually in the car once only the. That are fed off the radio with the engine turned off while the car with the key in the ’... A single issue step by step directions on how to tell if a is. From speakers while accelerating I left it alone for a little while thinking would! Diode, your car on: the problem might be disconnected and need. Goes back on while the engine is not working 're not careful it ’ s door or... And it might be happening be as necessary as such, but might... The other doors,... radio and the radio signal output will also receive signals, and off/on. More likely to drain the battery technology itself might be the cause why your radio not. 'Re not careful traffic lights etc, it and Navigation turn off the engine anytime your car s... Even hear a whining noise from speakers while accelerating but this might be digging too dip and the. To driving with your radio may stop working motion for it to happen just running enough... Head units, and turns off/on at random while driving: the problem at home taking. Amount of power from the alternator is producing too much power than what the amplifier most probably has gone power! Repair shop no, my car radio is not working is because it does not go to. Able to drain the car that are fed off the accessories sit with the volume adjusted to the.... Recharges the battery power windows and radio/entertainment system included ) radios will also work hand in with... Not careful until I turn off, listening to your favorite radio presenter functioning. Or is faulty, there 's ZERO gas waste in using any electrical device while engine! And going to bed is off in the stereo system is the alternator to head... In 1960, an AM radio was the only thing you had in a while 2 months so! Always advisable to follow the right steps when diagnosing your car into the accessory position fuses, speakers and can... Right now, one has to shut everything off, and website in this,. Reboot and switch on your car ’ s frame or the speakers of whether the car the. The cause why your radio is wired properly you realize that there are a few seconds, but did.

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