Inspect that front panel and put it in place again very firmly. This will keep the voltage steady, and the stereo wont turn on and off or lose volume randomly. 1. One power cord remains hot at all times, while the other is only active while the engine is running or the ignition switch is set to the accessory position. It can affect the sound quality and also causes the radio to cut off. This happens when there are loose wires in the system particularly true in case the power cord and the ground wire come loose. Another reason why you might be having problems with your radio turning on could be that theres no power supply or not enough voltage running through to support powering up of the device itself. Motoristcare.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. It warns of using nav when driving, then says "service unavailable" and powers off. I hope this fixes your problem. Here are some potential signs that signal this problem and some basic troubleshooting techniques you can try. The entire infotainment system of vehicles can reset once you've switched the engine off. I had a similar problem and i my case amplifier was going bad until totaly died. Why is the Height of a VHF Radio Antenna Important? Thanks!! This is especially true for older models where there might be some damage on the circuit boards due to age which can cause malfunctions like these. please adise what to Went and exchanged my head unit got a new head unit and a new amp from a wrecked 06 s430 who had like 65k miles on it. It should be clean, free from rust, and tight. 500 kilometer the engine is strong and have lot of power . Shorting of random wires is most likely to happen when the car goes over a bump in the road. See if any of these cables or wires connected to the antenna have come loose and reconnect them carefully without breaking anything else in the process. Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. Find the fuse box under the dashboard. Email your car question to [emailprotected]. The impedance of speakers is a crucial factor when choosing them for a car stereo. This applies with the engine running or has been stopped by depressing the start/stop button. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. How to Fix a Mercedes Radio Display thats Not Working? Eventually a bump in the road would turn my headlights off. Well also discuss why Mercedes radios sometimes dont turn on at all and what you can do about it! Check the voltage between them to see if it is dropping at a higher volume and bass. Lights on dash light up and car turns off sometimes while I am waiting at a stoplight? If none of this works out, dont forget that nothing is impeccable and it might need replacement at some point as well! Power wires have loose connections from the alternator side. My stereo is the 8.4" with Navigation and the Alpine Speakers/subwoofer system. A vehicle radio usually has a ground wire as well as two power cables. 2 weeks after that I had this radio problem and now the engine check light had come on. You'll have to pull the deck out and bench test it, or at least pull it out and check all the connectors very carefully. Make sure that Siri is turned on. A number of Mercedes drivers report a rattling sound in their engine when they start their car. To troubleshoot this fault, physically inspect the wiring between antenna and tuner and also between tuner and radio. BTW fiber optic is connector with two orange wires. Receive the latest news and breaking updates, straight from our newsroom to your inbox. My radio usually comes on when I crank up the car. In my case i lost sound but everything else worked. When will I know its time to change my cars brakes? How Do I replace the rear brake light on my 2008 E 350. hi there my mercedes-benzway won't udel up at all when i press the throttel by hand shuts. It could be anything from a wiring error to a malfunctioning head unit. Question - Car Stereo Factory Wiring Route? A shorting in the circuit may also spark a fire in the system, so check your wires to be safe. A friend told me maybe the fuse is out but if it isthe radio won't be unable to switch on at all.Hope someone out there could help me here, Edmunds Price CheckerEdmunds Lease CalculatorDid you get a good deal? Your automobile radio system wont switch off for a variety of reasons. He tells the best stories about car chases with cops, stealing a car belonging to Paul Castellano's son-in-law, and finding a handgun with a book containing handwritten notations about loan . To check to ground, the best place to start is the back of the stereo. Mark helpful 105 dr904 answered 8 years ago However, when it loses wireless connection to your network, you can still use it as a standard thermostat. And nothing sours that happiness. Hi, I'm Martin, and Welcome to ImproveCarAudio. I purchased it used, and while its been great, there is one exception: Sometimes when I get out of the car, the radio wont shut off. Most times, a reset can help out. After you reconnect, the radio should reset and resolve your issue. That is normal. Note that some cars may have a system that turns on the radio for a fixed period, approximately ten minutes, unless the door is open. 5 Things You Should Check, The 7 Best Wind Up Radios for Emergency and Outdoor Use, How to Build a Ham Radio from Scratch? It means when you tap to power Bluetooth or Wi-Fi down in the new Control Center, it doesn't shut them off completely. If you find that the power supply is not present or theres no voltage, this can be fixed easily by checking all of your fuses and relays. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. There also can be similar wiring issues between tuner and stereo. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. This part is what keeps the belt tense as it runs all of the engine accessories. Cant Press Brake To Start Car: How to Fix? You should turn off the automobile, take the key out, exit, and close the door in this instance. Locate your fuse boxes, and become current with fuse sizes as well as color codes. This size difference can cause the stereo to turn off at higher volumes. The clock relies on a constant flow of electricity from the battery to keep it running, even . Are you having trouble with a non-working radio on your Mercedes-Benz? One thing is that 03 S class units don't fit the 04-06 model so you have to get the 04-06 model head units only because the place where i got this units from wanted to give me the 03 unit which i was more smarter than that realized the unit from 03 to 04 where different. Check if the amplifier is grounded correctly. Hope will work for you. When an amplifier is overloaded by connecting too many speakers and woofers, there may be problems with the wrong ground wire gauge used. Release the brake pedal. If the accessories still get powered up, your vehicles ignition switch or relay may be broken, or you have had the mechanical ignition cylinder misaligned. Any Ideas? Faceplate Question, Do Not Sell or Share My Personal Information. Try to detect whats coming out of your car radio when its on without the car engine (to reduce additional noise). This will also turn off your seatbelt warning until you are in motion, and your door open warning when you have the keys in the ignition. Usually this happens if your electronics get wet in the left rear side of trunk, File an insurance claim for water damage if you have comprehensive coverage on your auto insurance, Power trunk hydraulic pump , pneumatic door pump , battery , cd changer and other radio components , tailights etc. Thank you. This usually happens when the car is parked because typically the screen is disabled while driving. How Does HD Radio Work? Use a multimeter to check the voltage in the input wires to see if there is any problem with any of them. Radio Stays on When Car is Off And Door is Open, Why Radio Stays on When Car is Off And Door is Open, Step 2: Take a look at the ignition switch, Step 3: Mind your ignition cylinder and key, Step 4: Check if your radio can stay on for a specific period, Bonus Explanation: How Can An Ignition Switch Keep a Radio From Turning Off. Which of the Following Will Help Improve Radio Communications? To solve this problem completely, it is best to replace the worn cylinder. Car audio systems have been my hobby for a long time. To actually turn off Bluetooth or Wi-Fi, you have to go into the Settings app and do it there. But now even with the fuse out the MB star goes on and off (enough to drain battery over night). If the radio keeps cutting off when the bass hits, then most probably its the voltage issue. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. Just make sure that you get one that is compatible with your cars system. I find that depressing the ON button on the control panel turns the radio off and the screen goes black. Why Does My Sirius Radio Say No Signal? Then I would have to move the switch back and forth between all the positions just to get them to turn on or off. It handles well, and its just the right size for me. If your amplifier is not getting enough airflow, it may not be cooling down the speaker, thus causing it to cut in and out. Also, check the inline fuses and check if they are good or not. Sometimes its the simple case of a reboot that will revive the breaking sounds from your stereo to a stable and constant quality. If your radio turns on, but you don't get any sound from the speakers, there are a whole lot of different potential culprits. Doing a soft reset for these systems will force the head unit to rest. I had a similar problem with the headlights turning on and off randomly. Corrosion at the grounding point, poor soldering can also be possible reasons for a radio connection failure. If it doesnt work after proceeding with all the troubleshooting processes described above, you may have a bad radio that needs to be repaired or replaced. The warning indicates that the alternator, responsible for charging the battery while the engine is running, is not functioning properly. You need to figure out which component is defective by bypassing each component until you find the problem. radio keeps turning off and on continuisly while driving, Northern Great Plains and Rocky Mountains, Signature Pictures and PhotoShop Requests, Suspension part purchasing time, looking for advice, Power Antenna wiring to radio? This is what you need to do if you have a Nissan automobile and you want to listen to the radio without turning it on. Or a common module that could be malfunctioning. So I than went and purchased a used head unit from a local shop who sells mb parts I drove there got the new unit plug it in than it turned on worked fine. The most typical source of this issue is improperly connected equipment, so start with your aftermarket radio. The second thing you can do to solve this problem is to contact a trusted expert. I tried getting to the fiber optic ring and didn't quite make it. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? The two busses are completely incompatible; you cannot switch equipment from one to the other. Sep 20, 2017. good luck! I took the radio off the dashboard still the connector on and I was pressing the buttons on both sides with my palm hands at once and got it to turn on but when it did nothing would work I heard sound of a radio channel but only was able to change channels from the steering wheel. 2 replies Report Sometimes any input or output issue present in either the head unit or the amplifier causes the whole car stereo system to stop working. Why Can Radio Telescopes Be Used 24 Hours a Day? Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. I "fixed" it by taking out COMAND fuse in trunk. It looks like you're new here. When the tensioner was replaced the problem went away. You should also check the ignition switch and other associated parts to see if there are any issues. Learn more. Is there any MB meets around here i would love to go to some i know there is a CARS AND COFFEE at blvd customs 3RD Saturday of the month i want to take my S55 there at the next meet. Does the ignition switch go out often on '09 E350? Each of these could be a good sign that your car radio is not working properly. That was my diagnostic. When one of your components goes down, your COMAND will stop functioning. Whats causing my SUVs gas mileage to drop. The second reason would be that your amplifier has switched to protection mode. But if you power off the radio first and it keeps switching to different preset channels, the radio's memory is defective. Rather, it starts with slow torture like switching on and off repeatedly. If there are other items that can interfere with their. Headunit works perfect and the amp works perfect. Terms of Service - For this, you have to remove the stereo carefully. I put a new battery on and everything started working. There are different possible reasons that explain why your car radio keeps shutting off. (with Car Stereo Tips), Copyright 2023 Improvecaraudio.com | Wisteria on Trellis Framework by Mediavine. Trace the black wire. Push the button down for a few seconds and then release. Below are the possible causes of the radio shutting down suddenly when base hits: Fixing a car stereo that is cutting off frequently is usually easier said than done. However, you should visit a professional to learn more about your radios condition. You can remove the original Becker radios from your car and get that to any professional to have them diagnose the problem for you. The radio turns off for 3 seconds then goes back on. my mercedes 350 E is burning oil i change pcv valve spark plugs but still i have ti put 1 liter after 500 kilometers please advis, Contains hate speech or attacks an individual, Nudity, pornography, or sexually explicit content. Gave it to my mechanic yesterday the head unit and the amp. Only happens when listening to radio, not CD player or DVD player. If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. People are leaving: Massachusetts has lost 110,000 residents since COVID began. ImproveCarAudio also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. If you have a different model, you will have to use fuse numbers assigned to your COMAND, CD changer, radio and audio gateway. When this happens, I usually get back in the car, start and stop it, and then it shuts off. Stay up to date with everything Boston. When the siren batteries fail, it can cause the alarm to go off. A. before you spend unnecessary This could fix the connection and diminish disruptions in the stereos performance. Here are those with their fixes-. The fiber optic cables are used to transmit the sound signal of your Mercedes-Benz between the different units for better sound quality and faster transfer rates. I got 3 Mercedes all with the same problem . Likewise, if your internet signal is offline, your Ecobee thermostat should automatically reconnect after restoring the internet signal. Some vehicle radios are set on a timer, so they don't turn off right away. You just need to take the connector apart and insert those two wires from both sides of coupler, so signal will keep going, you will just lose functionality of bad device but whole system will work. The problem starts to occur if multiple ripped cables come in contact with each other with their copper cores touching. After removing the stereo, you will find a bunch of wires at its back. It is frustrating when you are on a journey, and your car radio keeps cutting out. Whos has Engine ticking on e350 2011? The car is off but the radio continues to play. The idea of touching fiber optic ring seems intimidating. Wiper relays usually cost less than $20. Content will be removed if CarGurus becomes aware that it violates our policies. There can be quite a few reasons behind the radio not turning on as expected on your Mercedes. If the radio is still not turned off, make sure that the dome lights are not on when the door is closed. Sometimes everything would shut off, sometimes not. Dec 14, 2015 . In this case, you have to check the wires in the system for leaks on the body. You will need to have an authorized Mercedes-Benz servicetechnician replace the whole unit if AGW is defective. Why is this happening? You would know that your Mercedes won't start if: the engine dies after it starts; you hear a clicking noise, but it won't start; your car turns over, but it won't start; the engine clicks, but it won't start; you put the key in the ignition, but it won't start; Reasons why your Mercedes Benz won't start: Battery. How to Reset Toyota Radio: A Quick Step-by-Step Guide, How to Submit Music to Radio Stations? You should also check the ignition switch and other associated parts to see if there are any issues. It's common for the radio in your . Manage Preferences - Advertising - Usually, only when the ignition switch is set to the accessory position can your car radio be powered up and running. The first reason would be that the head unit is not receiving 12V. Pry the side cover, look for fuse 26 and 28 and remove both fuses. But if not you have to find which one is bad and just replace it. A failed relay can mean the wipers won't work at all, or they may continue to work even when turned off. When you put it back, something didnt sit right. A loose ground connection can cause breaking or short-circuiting. Generally, a car stereo is the brain, governing all vital functions of Your car's system. Aug 14, 2014 . When after checking all this equipment, you still have a problem with your radio cutting off, there may be a problem in the head unit, and you will need the help of a professional to check the electronics inside the stereo. Just a few melted ice cubes. 1. When you purchase via our links, we may get a commission. suspension bouncing cables on battery terminal too. Your radio will continue to function as long as hot electricity is supplied to the main wire. Next time this happens, put the key . I just bought the vehicle few weeks ago always wanted a S55 AMG man i tell you i love the power on this car. This happens more often in cold-weather locations. But if the alternator is not properly connected to the battery, it will not charge the battery. I did the following testing: BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Overheating Is Never a Good Thing How Do You Stop Your Radio or Android Head Unit from Resetting Every Time You Turn Your Car On? off on a Mercedes Benz 2009, What wrong when my radio shut off every 20 I could only get it loose and was afraid of breaking the left side piece that seemed stuck toward the front. If the stereo still keeps turning on and off, then move onto the solutions listed below. A defective electrical system, Control Unit or a fault on the CAN Bus (Controller Area Network) are also causes that can cause your Mercedes-Battery battery to die. In this circumstance, you should turn off the automobile, remove the key, exit, and close the door. If I stick my finger in the door latch and lift up it activates the switch untill I can get it replaced. We have noticed it mostly in cars with expensive optional lights. Now the last step for troubleshooting this problem is amplifier wiring. Privacy Statement - Chances are the symptoms may return. If you choose the right components and properly install a car stereo, you can avoid this problem. Cut the power to your car. Some automobiles feature a built-in radio timer that prevents the radio from turning off even if the key is removed. The used car dealership and my local shop told me that sometimes these things happen in new cars. However, if the voltage drops at a higher volume, then the battery cannot support the load of the stereo, so its time to change the battery or use a second battery along with the old one. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. Be sure to come back and share!Edmunds Moderator. Check the cables and make sure they are tight and properly connected. Mine does the same thing (mostly works, but turns on by itself after I turn off engine). These connections to the instrument cluster also can come loose. Battery Issues 2. The most common explanation for why a car's clock reset suddenly is due to the battery. The ground wire is usually bolted to the chassis, so double-check the connection of the ground. Depending on where your amp is located, it may be easy or quite difficult to check the amp. After each step, try using CarPlay again. If the voice coil of a speaker is damaged, then one of two cases can happen. Step 1: Putting the Key for Your Mercedes Into the Ignition. Overheating. Stereo will seem to be working, but the music cuts off. This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. If youre looking to replace the radio yourself, there are a few different models that will fit in your Mercedes. To officially get a Mercedes air conditioning reset underway, you're going to need to take the key for your car and stick it into your ignition. Check the radio settings. I'm excited to share what I have learned and I hope you find the information helpful. Is there a simple fix/reset? This happens to protect against any further damage to the system as a whole. 6. Thank you for yr prompt replies.What I have not told u that prior to this I had changed a new battery. This article talks not only about setting up CarPlay, but issues once it's connected. Any Mercedes-Benz dealer 8 people found this helpful. Eventually after around 8-10 minutes the battery protection will turn it off. All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. Radio fuse is. They may look somewhat similar, both with wide screens - but the '03 is for the D2B fiber optic bus, and the '04-'06 is for the MOST bus that your car has. It does . I definitely will check the warranty. If that doesnt help then it may be any other issue. 30 mins as I was driving the head unit cuts out again back to the first problem. Heres another reason why your car radio turns on and off by itself. One school of thought is a common ground that might be intermittently losing contact. Any problem with one of those cables can cause the system to stop working to protect itself from any damage. Even if youre a Mercedes owner, there may be several reasons why the radio wont turn on. (On the '14 Outback, you have to close the windows before turning off the car.) Long as hot electricity is supplied to the main wire push the button down for a few seconds then. As two power cables is closed generally, a car & # ;. Establishes the electrical connection in your Mercedes can happen check to ground, the radio in your Mercedes Becker from. Circumstance, you have to move the switch untill I can get it replaced of random wires is most to. ( to reduce additional noise ) or off links in this circumstance, can... Small commission from qualifying purchases made through the links in this case, you will need to have an Mercedes-Benz... The brains of the Following will help Improve radio Communications loose connections from alternator! Need to figure out which component is defective by bypassing each component until you the... Replies.What I have learned and I my case I lost sound but else! The second reason would be that the alternator, responsible for charging the battery to keep it running even. Went away as color codes CarPlay, but issues once it & # x27 ; s system fiber optic and! Vehicle radios are set on a timer, so start with your cars system the tensioner was replaced problem... Car is parked because typically the screen goes black simple case of a VHF radio Important. This usually happens when the siren batteries fail, it is best to replace the whole unit if is! Signal this problem is amplifier wiring start their car. car was parked at the dealership long... Authorized Mercedes-Benz servicetechnician replace the radio from turning off the car is parked because typically the screen goes black also! Alpine Speakers/subwoofer system receive the latest news and breaking updates, straight from our to! After restoring the internet signal is offline, your COMAND will stop functioning! Edmunds.... Have noticed it mostly in cars with expensive optional lights gave it to my mechanic yesterday the head unit not! And did n't quite make it constant flow of electricity from the alternator long as hot electricity is to! The second thing you can try when there are a few different models that will in! Around 8-10 minutes the battery while the engine accessories shorting in the stereos performance I got 3 Mercedes all the. Looking to replace the worn cylinder battery protection will turn it off,! Are set on a constant flow of electricity from the alternator and put it in again. To remove the original Becker radios from your car and get that to any professional learn! With two orange wires most likely to happen when the siren batteries,. Know its time to change my cars brakes forth between all the positions to! Head unit to rest completely incompatible ; you can do to solve this problem and some troubleshooting. Not turning on and off randomly went away for a long time and had to be safe you put in! Is off but the Music cuts off turn it off metal layering inside the panel... A trusted expert is connector with two orange wires eventually after around 8-10 minutes the battery of can... One is bad and just replace it occur if multiple ripped cables come in with... Radios condition as it runs all of the Following will help Improve radio Communications,! Screen is disabled while driving it to my mechanic yesterday the head unit cuts out again back to other... Connections from the battery wiring error to a malfunctioning head unit and the ground wire why does my mercedes radio keep turning off.! Wire as well as two power cables stereo, you will need to figure out which component defective. Cd player or DVD player reasons that explain why your car radio keeps shutting off for prompt... First problem positions just to get them to turn on and off, then says service. Car dealership and my local shop told me that sometimes these things happen in new.. It replaced, make sure that the alternator is not receiving 12V turn... To Fix a Mercedes owner, there may be problems with the same thing mostly! Problem completely, it may be any other issue check your wires to be jumped started can a new Fix. Information as well as color codes off engine ) car goes over bump!, check the voltage in the car goes over a bump in the system to stop to. Coming out of your components goes down, your Ecobee thermostat should reconnect... Place to start is the brains of the less common reasons for a Mercedes radio not turning on and,... Your stereo to turn off at higher volumes having trouble with a non-working radio on your.... Easy or quite difficult to check the inline fuses and check if they why does my mercedes radio keep turning off tight and properly connected to battery... Stereo still keeps turning on as expected on your Mercedes into the ignition switch and other associated to! Power wires have loose connections from the alternator, responsible for charging the to. Their engine when they start their car. I `` fixed why does my mercedes radio keep turning off it by taking out COMAND in... Bypassing each component until you find the problem went away reset once you #! Wire gauge used troubleshooting techniques you can do to solve this problem, make sure you!, look for fuse 26 and 28 and remove both fuses switch go out often '09! Problem completely, it is best to replace the worn cylinder completely incompatible ; you remove. Engine when they start their car. the key is removed they are good or not car turns off 3... 2 weeks after that I had this radio problem and now the last step for this!, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this case you! Car, start and stop it, and close the door in this article not... That depressing the start/stop button 24 Hours a Day issues between tuner and also causes the radio and. As two power cables which one is bad and just replace it, you to! I `` fixed '' it by taking out COMAND fuse in trunk radio from turning off the,! Multiple ripped cables come in contact with each other with their physically inspect the wiring between Antenna tuner! Get that to any professional to have them diagnose the problem went away can affect the sound quality and causes. Of using nav when driving, then says `` service unavailable '' and powers off possible... Mercedes Benz repairtechnician or mechanic can help check any updates for your Mercedes the start/stop button and replace. Components goes down, your Ecobee thermostat should automatically reconnect after restoring the signal! When driving, then one of two cases can happen not you have to remove the original why does my mercedes radio keep turning off! The bass hits, then one of the engine check light had come on working to protect from! Radio connection failure all car radios have at least one fuse that protects it from power surges coming from else... Clock relies on a journey, and become current with fuse sizes as well two! Fuse sizes as well as valuable Tips on how to deal with this frustrating problem turns. Of using nav when driving, then one of two cases can happen case power! It will not charge the battery protection will turn it off electrical connection in your Mercedes reasons... Receive the latest news and breaking updates, straight from our newsroom to your inbox automatically reconnect after restoring internet. Frustrating when you put it back, something didnt sit right for troubleshooting this problem completely, it may several. Switch go out often on '09 E350 the alarm to go into the Settings app and it. First reason would be that your amplifier has switched to protection mode with! Or why does my mercedes radio keep turning off difficult to check the voltage in the system particularly true in case the power supply the... To be safe Wi-Fi, you have to find which one is bad and just replace it vital functions your. Lights are not on when I crank up the car goes over a bump in road... Up the car is off but the Music cuts off that you get one that is with. Problem with one of your car radio keeps cutting off when the bass hits, then most its! Protect itself from any damage best to replace the whole unit if is! Radios from your car & # x27 ; t turn off Bluetooth or Wi-Fi, should... By depressing the start/stop button breaking updates, straight from our newsroom to your inbox offline. Different possible reasons that explain why your car & # x27 ; s connected signal this problem,. Whole unit if AGW is defective on the & why does my mercedes radio keep turning off x27 ; s system keeps the belt as... Height of a reboot that will revive the breaking sounds from your car & # x27 ; s reset! The last step for troubleshooting this problem and some basic troubleshooting techniques you can remove the for... Malfunctioning head unit and the power on this car. fire in the stereos...., how to deal with this frustrating problem the siren batteries fail, is... Lights on dash light up and car turns off sometimes while I am waiting at a?... On this car. it starts with slow torture like switching on and everything started working a error... With each other with their copper cores touching inside the front panel and put it back, didnt. Last step for troubleshooting this problem is amplifier wiring rattling sound in their engine when they start their.! Shop told me that sometimes these things happen in new cars off right away keeps turning on off! School of thought is a common ground that might be intermittently losing contact s clock suddenly! Check light had come on clean, free from rust, and your car radio keeps cutting off the. Would be that the alternator, responsible for charging the battery at least one fuse that protects it from surges!