My car … 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. I have told him it could kill the battery. Listening to the radio in your car usually requires the ignition switch to be in the “accessory“ position. 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. 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. Your starter requires as much amperage as it can get, to turn over a cold engine (cold = driven less than 3 miles). The dealer mentioned that the engine can be turned off while the car is moving..obviously I haven't tested it though. A radio pulls power from the alternator which is supplied by the battery. The amp will go off if the alternator is producing too much power than what the amplifier can handle. It can be frustrating to turn on your car stereo and find out that the sound has cut out. One cheap fix would be to put a switch in the power lead to the radio and mount the switch in a convenient location. In any 12 volt system there is a 12volt + and a 12volt -. Another reason why an amp will go to protection mode is due to a short. Before doing any deep diagnosis, these are the areas to begin with. If this is happening to you, make sure the radio is wired properly. The BCM then continues to monitor the battery state of health and it's 10 minute timer. This is a super annoying feature and I could definitely see the car taking off if you're not careful. 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even when turned off, it might be a good idea to consider these other possible explanations: Your email address will not be published. The problem might be with the antenna wire. Radios also require fuses to get protected from power surges or power spikes. The canbus system controls the voltage and ampage of the reverse bulb positive pole and because of the actions that happen when the engine is started, this is why it fails. Tracking down the fault can be difficult when the radio is functioning since it actually has power at that time. If the wiring is good, then the voltmeter should read 12 volts or the voltage equal to your source. It is always advisable to follow the right steps when diagnosing your car audio system. the car does not need to be in motion for it to happen just running is enough. You may even hear a whining noise from speakers while accelerating. If you are used to driving with your music playing, things will get difficult when your radio stops to work. Only works if the doors were automatically locked by the car while driving. Is your car radio not working? It’s a pretty common problem when an aftermarket radio or amplifier is installed. 2 possibilities. Some new head units also might be faulty. In this case, you might be careful with your seller’s refund policy before doing any order. 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. You will need to check for this connection when your radio is dead. Save my name, email, and website in this browser for the next time I comment. For more information, please read our privacy policy. Check for loose connection points or points that have been cut or peeled off. A broken antenna will not receive signals, and therefore you will only be hearing white noise. Can a Car Stereo Drain Your Battery? NOT doing so will only turn on the accessories. The wires and the technology itself might be outdated, and it might need a new replacement. A car alternator recharges the battery and powers certain electrical systems like lights, radio, air-conditioning, and automatic windows. This is very annoying and sometimes embarrassing. Before taking any action that may be costly, it is recommended to try diagnosing the problem before deciding to venture into and expensive remedy. Then check for any readings. Top Answer. Even if you foolishly run the battery dry and have to jumpstart the car later, it. He wants to play the car’s radio while the engine is off. When a car stereo cuts out and then turns back on: The problem is usually in the wiring. 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. Modern-day autos always are drawing a small amount of power from the battery, even when the car has been shut off. The ONLY door switch input that causes the RAP system to turn off is the DRIVER door. There are several checks you can carry out to trace the source of the interference. Today, even putting in neutral after using the shift lock release, the car still has no power and will not start. Unlocking it again unlocks the other doors, ... Radio and Navigation turn off when the driver door is opened. If the display shuts off at the same time the music cuts out, then the unit is probably losing power. Well I am not sure exactly battery type/brand cos I don't know all that much about cars. Understanding How ECO Start/Stop Technology Works. Try troubleshooting it, if the tuner is damaged you might need to replace the whole head unit. If the radio is switched off, it shouldn’t be able to drain the battery. Hence this is why the trigger for the reverse isn't working when the engine is running but when you turn the engine off and put the keys into accessories position, it may display when in reverse. tardis July 6, 2016, 12:25am #4 The power lead is on all the time. It involves a lot of wiring with a lot of different components to work properly. Make sure to turn off heaters and lights, as these could cause the battery to drain quickly. The car itself is salvaged, but I have never had a single issue. / 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. But if it does not read then the fuse is blown. 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. 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. If the radio is switched off, it shouldn’t be able to drain the battery. There are so many reasons why your radio is not working. It works in such a way that when there is a power interruption, the head unit by default goes off and is rendered useless. See Answer. The most common description of the noise is a whining sound that gets louder as the engines RPMs increase. 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. Who else wants to know How to tell if a speaker is blown? The best places to do so is on your car’s frame or the body of the car. Some aftermarket systems come with a special security feature that protects the system from theft. Learn how your comment data is processed. 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. For you to get these reasons in details, we are going to discuss each of them in details. 3 4 5. There is a section called "Engine Off". ... AM is an afterthought on auto radios these days. If you are lucky to identify it by yourself, you can replace the blown fuses with new ones. See Also: How to Install Speakers in a Car. If you're into design, go and check them out. This means that even if you simply pause at a stoplight, the engine will not be working, which greatly reduces fuel consumption. Faulty starter. Start with testing the ground wire (black), accessory wire (red) and constant (yellow). (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. 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). We use cookies to ensure that we give you the best experience on our website. Cars have become nothing short of computers on four wheels. Also, you need to check Voltage at the Rear AMP to see if there is an Increase or Decrease in Voltage for the Main Power wire & the Turn On wire from the Radio Some of the fuses to look for are the amp fuses and radio fuses on the car’s fuse block. If you are having any of these problems you will need to replace the radio or repair it. Follow these guidelines for an awesome music experience in your car. This is great for them but bad for car stereo enthusiasts. This is may be the problem with your radio if it does not turn on completely. If it always has 12v, then again something is not hooked up right. The car will be completely turned off, but the radio will still be on and playing. After about 20-30 minutes of driving. 33 ... in a 2018 Nissan Maxima is a badass car and I have never been in one with a push button so yes thank you cut the car off … However, if it’s installed incorrectly or is faulty, there’s a chance it could drain the battery. Ground wires can be disturbing if they are not correctly grounded. Another reason why your car radio is not working is because it does not receive any power supply. I read somewhere that while a ‘normal’ car’s engine would start up about 50,000 times during the car’s life, on a stop-start car, that figure would be around 500,000. This site uses Akismet to reduce spam. To find whether a fuse works or is blown, connect the multimeter across the fuse. The main … The operation of a radio starts from the power supply and ends in the output of sound by the speakers. only works while the engine is running, so there's ZERO gas waste in using any electrical device while the engine is off. Interference is either radiated - that is, picked up by the aerial - or conducted to the set by its own wiring. Notify me of follow-up comments by email. Having the heating on while the engine is off is much more likely to drain the battery than leaving the radio on. never goes back on while the car is running. Blown fuses. Back in 1960, an AM radio was the only thing you had in a car. My radio when the engine is not engaged but the car is on, radio works perfectly fine. 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. With these push button start engines, there's no way to flick a key into the accessory position. The speakers might have blown and that is why you have a poor sound out of them, or the system is not working completely. 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 you might hear winning white noise that come and disappear when you turn your radio on especially when the engine is running. I just replaced the ground and its still happening. Second, practice good battery maintenance once a season to extend the life of your car's electrical source. It never plays more than a couple seconds before it breaks the sound again. If you have a wire that is shorting the system, then that might be the cause of your car radio not working. It sounds like the song is broken up and put back together with little pieces missing. 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. Dash lights/radio turn off when car is started. takes ZERO extra gas to recharge the battery from the … Right now, one has to shut everything off, then push the start button to get into accessory mode. Radio always works when engine is not running, powers off when engine starts, and turns off/on at random while driving. There are simple ways to avoid being in this precarious position in the first place. When I accelerate in neutral, the radio turns off. I don't really have adverts here: it's funded by wonderful people buying the Car Mechanics Video Course. Ensure that they are attached to metallic frames of your car’s body. The dashboard clock, for example, keeps track of time regardless of whether the car's engine is on. ... As I drive the car the radio constantly reboot and switch on in every 2 minutes. To find that out, first, switch on your car stereo with the volume adjusted to the maximum with the engine running. 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? It might look silly, but this might be the cause why your radio is not working. As mentioned previously, make sure you don't leave your lights or radio running when the engine is off--these are major battery drainers. They sit with the engine off, listening to the radio with the key in the accessory position. 2009-05-05 19:33:05. Red Wire labeled "ACC" should only have power when ignition is turned to ACC or car is running. I left it alone for a little while thinking it would turn off, like headlights take a few seconds, but never did. One power wire is hot all the time, and the other only has power when the engine is running, or when the ignition switch is in the accessory position. It is also great for learning what is going around you. The normal cause of engine noise in the stereo system is the ground. How a Car Works is created, written by, and maintained by Alex Muir. Many people complain of ordering new head units, and they arrive when faulty already. cigarette lighter, power windows etc? If your alternator has a bad diode , your battery can drain. One electrical, one cooling system related You could have a sticky thermostat, clogged radiator, or bad water pump, or a nasty air pocket somewhere in the engine that needs to be bled. The procedure is most likely to be found in the manufacturer’s manual. There are so many reasons why this is so, here are some common ones; Wiring can be challenging especially for an upgraded system. Radio keeps on switching off and on intermittently. This powers up a bunch of other stuff in the car that consumes battery power. Today we answer a fairly common question about not getting any sound from a car stereo, even though it powers on. Some radion stations on my car radio is hardly audible because of loud static noise when the engine is running. When my engine is off (ACC or ON), my stereo works perfectly fine, but when I start my car the audio keeps cutting out. How long can a car battery last while playing radio? But other things also can draw on the battery. 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. yes, it only cuts out when the engine is on. My 16-year-old son drives a 2008 Honda CR-V. Also, if your radio has a large screen and you fiddle with the controls a lot, it will drain the battery more quickly. Such systems will require more complex installation techniques. It's continuously on/off whether the car is stationary or I am driving. With this in mind, let’s now look at some reasons why radios fail to work. They usually do this on Friday or Saturday evenings instead of coming inside and going to bed. In this guide, you will find step by step directions on how to fix Dodge Grand Caravan radio. 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 tuner also might be having a problem. Wiring, fuses, speakers and antennas can often cause a loss of sound. In older cars (in the 1960s and earlier), the extra power required to start the radio as well as start the car sometimes prevented the car from starting. Checking these areas might save you money. Engine noise in the vehicles stereo speakers. When the switch on the radio is off, the radio should be off regardless of whether or not the radio is receiving power. 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 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. To solve this problem, you will be required to identify the ground wires and locate a better position to connect them. If you get 0v when the car is off, this is probably incorrectly hooked up to the ACC (Accessory power) instead of constant 12v. This is the alternator winning that is normally caused by a bad ground to the head unit or the speakers. 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. New cars are more powerful, and won’t have a problem starting the engine and radio at the same time. How this system works: Like other automotive electrical systems, your car’s radio is actually very complex. 2 weeks after that I had this radio problem and now the engine check light had come on You will need to locate the blown fuses by using a voltmeter or consult a mechanic or car audio system diagnosis professional. See if that makes the radio shut off. have not done anything to the car in a while 2 months or so. Mend - keeps, turn, engine, off Its an easy fix, the red and yellow wires need to be swapped. No, my car has always shut off power as soon as I turn the ignition to off. I know what you're talking about - I think my parents' car does that, but not mine. 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. Required fields are marked *. Do you have any problems with other circuits in the car that are fed off the accessories power e.g. cigarette lighter, power windows etc? What makes me extremely mad is I might be getting ready to back up and the engine shuts off. I have told him it could kill the battery. If you realize that there are disparities, it will be good to check with your car’s wiring diagram. They might have a clear recommendation on your car radio not working. This is may be the problem with your radio if it does not turn on completely. Why did it not work when you switched the wires? • off Unlocking the car once only unlocks the driver’s door. While your engine runs, the alternator recharges the battery — which is why you typically don’t have to worry about the battery dying while you’re blasting the radio on your drive to work! ... yr prompt replies.What I have not told u that prior to this I had changed a new battery. NOT doing so will only turn on the accessories. I never told him, but shut the radio off after that. 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. But what can you do if your radio consistently turns on and off by itself? My radio, windshield wipers and ac/heater fan will not work. When the ISG switches the engine off at traffic lights etc, it is awesome. A loose wire somewhere will mean that the radio will not be working at all. If you cannot access it, then you may need to contact the manufacturers for guidance. It will however work when you turn the key all the way back or forward but not when the engine is running. The car is a 1996, volkswagen Golf GTI The ECO Start/Stop system works to turn off the engine anytime your car is stationary for any length of time. Something about double tapping the start/stop button to turn it back on..I'm sure it's in the manual. 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. 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. Carspeakerland.com is a participant in the, Text-to-speech function is limited to 200 characters, Reasons why your car radio is not working, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), © 2021 CarSpeakerLand - Car Speaker and Car Audio Blog. They will use a tiny amount of power from the car, but this is a few microamps, so would take … The best way to identify if the wiring has problems is using a voltage meter. don't really have another car to test it in. A brilliant system. In theory, leaving the radio on while the engine is off could drain the car battery. Radio entertainment might not be as necessary as such, but it is good for safety and just keeping the mood as you travel. 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. Your starter requires as much amperage as it can get, to turn over a cold engine (cold = driven less than 3 miles). 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. When I turn the car on the radio turns off around 1500 rpms and at 1000 rpms it turns back on. A wiring system is established to connect the alternator to the radio and the radio to the speakers. Simon Hughes explains how sometimes a car radio may stop working and how to fix this often simple problem. Regarding keeping the radio on after stopping the engine, I … Your radio may not be working because the protection mode has been turned on. The amount of battery power your radio uses will depend on the audio equipment you have in your car. If the meter picks any reading then the fuse works. There are a few reasons why this might be happening. To make all those starts seamless, the stop-start won’t kick in if it detects the battery is dying and it’s going to struggle to restart the car. 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. In this menu, you can set how long you wish the radio and interior lights to run after the engine is turned off. Your email address will not be published. Try troubleshooting and fixing the problem at home before taking your car into the dealer or auto repair shop. Car radios are designed to have a single ground wire and two power wires. You will need to check the plug in the back of the Radio to be sure it is powering the Rear AMP when the Engine is On & Off. If you recently upgraded your radio audio system, then the problem might be with the head unit, the speakers or the fuses. Check that the radio really is turned off, and not just silent. Did you upgrade your car audio system? 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. An hour is pushing it. 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. If your radio works via an external amplifier and has stopped working, the amplifier most probably has gone to power protection mode. A lot of people worry that listening to the radio in the car with the engine turned off could drain the battery. You might be digging too dip and forgetting the speakers. Check whether your upgraded system has this feature. ... when engine is turned off. He wants to play the car’s radio while the engine is off. This is a common problem if the CD player works well, but the radio itself does not work. This point is crucial. The speakers themselves might also be blown. If I turn off the engine, with the key in the ignition on, the same station is very clear. Settings like volume level, fade, balance and pan control knobs might not be well set and therefore affecting the radio signal coming out of the speakers. If you continue to use this site we will assume that you are happy with it. I removed the fuse as a temporary fix. 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. Should you turn off the radio before turning off the engine? What may drain a car battery when it’s off, however, are things such as interior lights, door lights, or even bad fuses. The radio turns on and stays on until I turn the car off. 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. 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. Asked by Wiki User. If need be, you should consult a professional for more guidance and advice. The radio will also receive signals from the antenna. 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. Check the antenna wire, it might be disconnected and might need a little soldering or crimping. You may also want to … If your battery is in good condition, you should be able to listen to the radio for hours without any problems. 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. 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. There you have it on why your car radio may not be working. Make sure everything is sorted out. To find that out, first, switch on your car stereo with the volume adjusted to the maximum with the engine running. 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. This allows for up to 10 minutes of Accessory use (power windows and radio/entertainment system included). 33 people found this helpful. 3. It is a 2003 and has 176,xxx miles on it. Ensure that they are on their default points. You may need to check the condition of the speakers as well. 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. 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. Running a check on the wires will be necessary to confirm that the speakers are just alright. Car radio interference originates usually in the ignition system, the charging circuit or among electrical accessories. That is why the radio failing to work might not be directly due to the radio but also the components the radio is wired with. Can the radio drain the car battery even when it’s turned off? However, radios usually don’t use a lot of power, so battery drainage is more likely to be caused by other things such as lights, fans and heaters. Not sure if it is a fuse problem or not. The way your radio works can be quite complex. We have added all the important reasons that make car stereo to drain the battery. You may be running on an old head unit, and you may need to replace it. He warned me not to use the radio but I didn’t listen. Related Article: Why did my Car Speakers stop working. Some aftermarket radios will also work hand in hand with amplifiers and other components. The reason why your radio fails to work may be a very simple one and at times a very complex one. That is why the radio signal does not go through to the speakers. You may even hear a whining noise from speakers while accelerating. Do let anything come between you and listening to your favorite radio presenter. That is because certain operations in the vehicle never are supposed to stop. Here we go: Not turning the engine on. The reason why you might not be hearing anything is because the speakers are disconnected. With a failure of these components, it means the radio signal output will also be affected. Is there a way to leave the radio on when shutting the engine 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. If you’re driving a modern car, there’s generally no advantage to turning the radio off before turning off the engine. Learn how your comment data is processed. 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. Best Radios for Running/Jogging (UK 2020). When you get out of the car and the radio is still on, try opening one of the other doors on the car. 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. After realizing this, my 2013 Kia Ceed ISG system now works perfect every journey every day, even with air con on setting 2 or 3 entertainment system & lights all on, (mine has daylight running lights on). 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. My 16-year-old son drives a 2008 Honda CR-V. OBD2 scanners are one of the many diagnostic tools that you can use to … A broken starter is another common reason your car won’t start.

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