Car stereo resets randomly

Discussion in ' Audio Hardware ' started by audiodromeSep 12, Log in or Sign up. Steve Hoffman Music Forums. Sony car stereo powering on and off by itself! Location: North Of Boston. When I first start my car in the morning and turn the radio on it might stay on for a minute or two but then it will just cut out or fade down to nothing.

Later, it might come back on its own abruptly or it might fade back in. If not, I need to physically shut it off and then turn it back on myself. At first, it was just doing this by itself without any apparent cause but now, whenever I go over a bump or a pothole it will instantly turn itself off if it was on or instantly turn itself on if it was off.

I can also make it turn on and off by pushing a cassette into the unit or by ejecting it out of the unit. Early on, when it was just fading in and out and turning on and off by itself I thought maybe the stereo was just on its last legs and it was time to buy a new one but now I'm not so sure.

It will still turn on and off by itself when the car is perfectly still but the fact that now also a bump or a bang will cause it to happen makes me think that some wiring might be loose somewhere.

I've also been having a problem with my speedometer shutting on and off by itself. Now that may or may not be related to the stereo issue but who knows? Location: MA, US. Usually car stereos have a Reset feature. It's usually a little button somewhere on the front panel that needs to be pushed with a pen or small screwdriver.

Maybe all it needs is to be reset? Though I'm not sure if your unit would have this feature being that it's a cassette deck Location: NJ. Make sure your power wire is installed correctly. Use a voltmeter to check if that variation you are complained is caused by fluctuating voltage. TigerMMGSep 13, Clearly you have a wiring problem.

Unfortunately you are going to have to take it to a mechanic for repair. CaptainOzoneSep 14, Sounds like some of the wiring is loose. Maybe the harness isn't making a good connection causing the issue.

Hitting a lot of bumps a long the way could cause that. Lownote30Sep 14, It could be a loose connection somewhere but it also sounds like there could be some voltage fluctuation going on, especially with the way it fades in and in and changes in volume. Location: Maryland. Perhaps a loose ground wire?Remember Me?

What's New? Forum Technology Automotive Technology just about everytime start car, stereo resets to factory settings. Results 1 to 11 of Thread: just about everytime start car, stereo resets to factory settings. Thread Tools Show Printable Version. Its getting quite painfull, have to adjust the base again and reprogram my stations only to lose them, now I dont even bother.

aftermarket car to home stereo overheating real fix

Its like my battery is disconnected but its not, recently had a problem with a fuse held in by lose contacts, turned out to be the fuse powering cigar socket and stereo. Sorted that out but still the factory resets. Always happens when I start the car. Originally Posted by gareth Just about everytime I start my car, my stereo resets itself back to factory defaults, all the preset stations go and when powered on I get Make sure you have a permanent fused positive directly from the battery and not from your fuse box or elsewhere in the line before the ignition.

With a separate line there should be no problem with drain through the system, but make sure the terminal has a good connection to the battery terminal. Make sure you also have a good direct chassis earth.

The yellow wire is still in its original place, havent run it directly to battery, I just call it 12v from battery because its permanently on as long as theres a charged battery under the hood. Thinking about it now, I have a feeling it may be the battery. The car was sitting for a week and would hardly start afterwards, almost needed jumper leads.

Other cars ive seen sitting longer than that and they still start no problems.

car stereo resets randomly

When I first got the car it had a flat battery and had been sitting on the dealers lot for several months, had trouble getting it to charge then when I test drove car, but the dealer did something more water I think and it was fine after that and started.

My stereo was installed later and initially after install it would reset maybe once in a few days.One of the common problems while dealing with a car stereo is that it may reset frequently and even stop working at times.

Bad experiences kill our time and mood, but they also teach us many things. Through these experiences, we become more robust and courageous enough to face any difficulty anytime and anywhere.

Imagine you are going on a drive with your partner is an excellent romantic mood while listening to your favorite music, and suddenly, your stereo turns off. What could be worse than this? Have you ever imagined? Well, specific reasons cause your radio to reset itself. It is quite horrible and annoying, as well. It can happen anytime in any vehicle. Car Stereo resets itself and causes some problems when it crashes.

It does not matter if your vehicle is new or old. It can happen to any stereo. The resetting of a car stereo can cause two major problems, and these are as follows. Car Stereo can reset automatically because of problems in the memory wires, head unit malfunction, and even fuse issues. It is recommended to follow all the steps mentioned in this guide to correctly fix car stereo.

Relax, you do not have to worry much about this problem. It is a common issue that is detected and removed quickly, and it will also not upset your budget. We will consider this problem and discuss it in detail. In this article, our editors have described the secure methods to maintain the stereo of your car from resetting. Radios are very sensitive in a vehicle, and they demand great care and attention. If you do not take care of them, they will not work correctly and cause a mess.

The question that has been asked frequently from us that if the stereo can reset itself. We have explained all the major reasons that make car stereo to reset, along with this we have added proven methods to fix this. Stereos in cars are very sensitive. They often create problems and are very annoying. When you turn on the engine of the car and find that the settings of your stereo reset itself to the factory settings and are not working correctly, it may occur due to the poor connection of the memory wire.

A thin yellow-colored wire connected in the stereo is called the Memory Wire. The memory has current in it all the time. This little yellow wire is responsible for providing the connection and setting in the stereo such as time and radio frequency etc. If this wire is disturbed, then the stereo will keep resetting itself whenever you switch on the engine. You may also check the Red Wire on the stereo. This wire is essential as it gets only in power when you switch on the car.Remember Me?

Site Navigation. Radio resets every time car turns off aftermarket headunit. So lately my radio keeps resetting every time I turn the car off. Clock goes to AM and presets are all erased kinda annoying.

car stereo resets randomly

It's an older aftermarket eclipse headunit. Maybe years old. The previous owner had it installed along with the sub. I tried pulling it out to see if it maybe had some kind of small battery or something to keep the memory but couldn't find anything. Could it be caused by the car itself and not the head unit?

I checked for fuses and such but didn't find anything. Just wondering if anyone might be able to help me out. Originally Posted by alexb. Originally Posted by LDForget. Theres a wire behind the deck with constant power. Im assuming it currently does not. Check your fuses. You can check for the lack of constant power by grabbing a multimeter, pulling out the radio, and checking if the red wire on the adapter harness has 12 volts.

Thanks, I'll try to check for the constant power tomorrow. As far as fuses, I looked next to the steering wheel and under the hood and didn't see anything related to the radio. Am I missing something? Build Thread.

Actually the Yellow wire should be hot 12v all the time. This will keep your memory. Red is commonly the ignition lead.

Car clock/radio resets when starting engine - what's going on?

Originally Posted by Socco. Yes it sounds like you have the wire that is supposed to be constant 12V wired to a switched 12V circuit. Edit: Just re-read and saw that it just started. It's probably a blown fuse or the unswitched power wire worked loose. Last edited by 98OzarksRunner; at AM.Remember Me? What's New? Forum Technology Automotive Technology just about everytime start car, stereo resets to factory settings.

Results 1 to 11 of Thread: just about everytime start car, stereo resets to factory settings. Thread Tools Show Printable Version. Its getting quite painfull, have to adjust the base again and reprogram my stations only to lose them, now I dont even bother.

Its like my battery is disconnected but its not, recently had a problem with a fuse held in by lose contacts, turned out to be the fuse powering cigar socket and stereo. Sorted that out but still the factory resets. Always happens when I start the car. Originally Posted by gareth Just about everytime I start my car, my stereo resets itself back to factory defaults, all the preset stations go and when powered on I get Make sure you have a permanent fused positive directly from the battery and not from your fuse box or elsewhere in the line before the ignition.

With a separate line there should be no problem with drain through the system, but make sure the terminal has a good connection to the battery terminal. Make sure you also have a good direct chassis earth. The yellow wire is still in its original place, havent run it directly to battery, I just call it 12v from battery because its permanently on as long as theres a charged battery under the hood. Thinking about it now, I have a feeling it may be the battery.

car stereo resets randomly

The car was sitting for a week and would hardly start afterwards, almost needed jumper leads. Other cars ive seen sitting longer than that and they still start no problems.

When I first got the car it had a flat battery and had been sitting on the dealers lot for several months, had trouble getting it to charge then when I test drove car, but the dealer did something more water I think and it was fine after that and started. My stereo was installed later and initially after install it would reset maybe once in a few days.

Now its happens just about every time I start the engine. I guess my best bet is to try another battery that I know is in good cond. I've had this same problem with a couple stereos that I've installed over the past couple years. The only thing that is plausible here would be that the internal capacitor is faulty.

I haven't had any problems with any other stereos. I even switched out head units and that problem stopped. Your best bet would be to get a different head unit. Originally Posted by Korrupt. It would be nice to know what the cause was. Hey Gareth, how about an update as to what the problem was? My Toyota Troopy was doing the same thing, but to make it worse I had the main power to the radio taken from an auxilliary battery, but there was still a connection from ignition to the radio.Okay so i recently purchased a new philips stereo from halfords so i could play my iPhone etc.

The thing is its not saving any of the presets and just resets after i leave it off for a while. I will turn the ignition on, then turn the stereo on. Then i will turn the ignition off and the stereo stays on for a while.

But after around 2 minutes the stereo cuts out and loses power. Now before you all start saying it; Ive swapped the red and yellow wires around, ive fed the red into the yellow wire and still nothing.

Car stereo resets when car shuts off?

So i went down to halfords and asked what they thought and the guy said because my car Peugeot 02plate has an eco mode the stereo will lose power.

So i look at the lighter and there are only three wires; Grey? I am totally baffled and have ran out of things to check or try. You have a memory wire, it should be marked with the diagram in the instructions. This wire needs to be connected to battery power, not switched power like the main power feed. You should be able to find a connection in your fuse box, check the diagram for it.

Sony car stereo powering on and off by itself!

Do NOT assume the wires are power by the colors, a test light will ensure that you have a full time power lead. The Yellow wire is the Un Switched Positive. This has to go to a Permanent Positive feed to retain the Code and Stations once Programmed so you do not feed one from the other.

Those will both be thicker wires, The other thicker one will be the Earth Black or Green Then you will have 2 others, One will be the Trigger for an electric aerial and the last one will be so the radio illuminates when you turn On the car lights. Easy answer is match the colours from the Plug that has the 5 wires as the other plug that has 8 is the speakers.

Car Clock keeps getting reset!

I had this problem, you need to make sure the memory cable is connected to the permanent power this is usually red or yellow. I'm no expert but I got the serial number for my radio and googled it, I then found the wiring diagram for it. Using the wiring diagram link the memory cable to the permant cable using a connector block or something. It worked for me. You may have to find a real permanent live to connect to. A lot of cars have stuff that stays live after the car is shut down, but only for a few minutes.

Ciggy lighters, interior lights and so on won't stay live for ever. Answer Save. Gordon L Lv 5.

car stereo resets randomly

ANDY Lv 7. You need both of them to turn the radio On then Enter Code and Select and retain stations. Or you could Easy answer is match the colours from the Plug that has the 5 wires as the other plug that has 8 is the speakers Andy C.

The original Peter G Lv 7. Still have questions? Get answers by asking now.If you have recently taken your car to be serviced and a mechanic disconnected the battery, chances are that the car stereo will lock itself as a means to prevent theft.

Resetting the car stereo is a simple process and should only take a couple of minutes. However, failing to complete the resetting process correctly can lead to unnecessary headache, so follow these steps to avoid this problem. Ensure the stereo is actually locked by switching on the car and taking note of what the stereo displays.

If the stereo display reads CODE, then it is indeed locked. Open the car's user manual to obtain the four-digit code needed to reset the stereo. The code may be printed on a detachable card. Follow the instructions as specified in the user manual to correctly input the four code. You will need to use the buttons on the front of the car stereo in a specific order to correctly enter the code.

If you are unable to reset the car stereo after three attempts, remove the fascia surrounding the stereo and unscrew the stereo from its mounting cage. Call the dealership where you bought the car and tell them that you are unable to reset your car stereo. Read the serial number that is printed on the stereo to a member of the dealership's staff who will then consult a database and guide you through the process of resetting your stereo.

If this still doesn't work, you will unfortunately need to drive the car to the dealership for inspection. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

To submit your questions or ideas, or to simply learn more about It Still Runs, contact us. Step 1 Ensure the stereo is actually locked by switching on the car and taking note of what the stereo displays.

Step 2 Open the car's user manual to obtain the four-digit code needed to reset the stereo. Step 3 Follow the instructions as specified in the user manual to correctly input the four code. About the Author This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. Photo Credits autoradio 2 image by Nathalie P from Fotolia.


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