how to test a car stereo with a battery

The alternator also powers up the car’s electrical system during operation. If your multimeter is not autoranging, set it to 20V DC. To change a car battery, pop the hood of your car and locate the battery, which will be kept on either side of the car’s frame. Isolate the circuit from power and ground. If your car uses a free-maintenance battery (no caps), or one with caps, you can visit a local auto parts store and have them test your battery for free. To wire a car stereo, start by disconnecting your car battery to avoid electrocuting yourself. It's a simple JVC unit that I put in a couple years back so I can use my iPod while driving. If it's not the radio, at least a specialist should be in a better position to suggest an answer. Your first step is to disconnect the speakers. Let it run for 5-10 minutes. Use a multimeter to test the speaker. Wire up the radio to that, then grab a couple cheap car speakers and hook them up to the radio. Test the battery voltage. This is the black wire connected to the battery under the hood of your car. Get a 9 volt battery and a wire and place one battery pole on the correct place where the wires were soldered. Im a senior citizen livibg off social security. If you're bored and want a project, or you're like me and just like making things instead of going out and buying purpose built ones, this is for you. It will also teach you how to fix it if the problem is the cigarette lighter, now more commonly known as the 12 volt plug. A week before my car had no power at all, I was driving and my stereo completely shut off while I was driving. This only works with the speakers that have the positive and negative wires that hook into a stereo. There are, however, a few key elements to take in consideration before you even start. The test light can be damaged by outside power. Your car's electrical system is massive and complicated. I hit a pot hole a couple days ago and my car stereo shut off. After that you have to connect the amp. Then, match the colored wires of your radio and your car and twist the wires together. Changing your car battery. I also didn’t add an amplifier when I put the stereo in. At this point you’re ready to start the car with the charged battery. Trying to find a short in the system might sound like a job for a professional, but in this video you will learn how you can use an $8 test light to locate a shorts in your car's electrical system. Disconnect battery positive, set the positive probe on the load side of the fuse, clamp the negative probe to battery negative. If it does, that indicates a problem with the connection rather than a blown speaker. Inspecting means you will use your naked eye to try to find out if they are working. It is dangerous to work on electrical components of a vehicle with this connected. Grab a 12 volt power supply capable of supplying about 10 amps. If your car doesn’t use any amps in the system (check your repair manual to find out), you can move on to the speaker testing step in stereo troubleshooting. The question that has been frequently asked from us is that if the stereo system can also affect the health of our battery or damage it. If this is the case, simply follow the below advice and you will be able to fit your battery without losing the car's memory. NOTE: Never use a self-powered test light to perform checks for opens or shorts when power is applied to the circuit under test. There are specific exceptions, where it’s possible to start a car without a battery, and some small engines don’t use batteries at all, but the fact is that when your car battery dies, you’re going nowhere fast. i used to use one as my workshop radio. Without that initial jolt, your car might as well be a multi-ton paperweight. To remove your car stereo, you will first need to disconnect your battery’s ground wire. The previous battery only lasted three years. Because car stereo systems work with direct current (DC), they can be powered directly by a car battery. You need to remove the speaker from the dock and gain access to the wiring underneath. 1 How to Test Car Speakers? Another way to test if the speakers are working is to inspect. Car battery Whether you want to rock on the go or just want to play outdoors for a while, running a guitar amplifier off of a car battery isn’t difficult or too expensive. After waiting, go ahead and try to start the car with the previously dead battery. Electric devices like timed and dimming dome lights can stay “awake” and produce excessive drain on the battery … Turn off the ignition and any accessories like lights or the radio in the vehicle. You may have already seen our video on how to change a car battery (a worthwhile watch before attempting to fit your battery) and noted that you need a radio code for your vehicle. All you have to do is take a 9 volt battery and touch it to the wires. If you manage to screw… What would cause it to be a problem all of a sudden? The purpose for those fuses and circuit breakers is to protect electrical circuits from short to grounds. Get them to plug in another radio and see if that works OK, or alternatively plug your radio into another car. Ive had the new battery checked and the slternstir and they both read good. All you really need is to convert the DC power from your vehicle into AC, which is the kind that comes from your wall. Why Test Your Alternator. However, having the right tools can save you lots of hassle, as well as time and money. Small wires at the battery are vulnerable to corrosion, and there's almost always an easier way to get a constant power connection, even if you can't get the original power wire to work. I don't advise it, though. Personally, I'd bite the bullet and go to a car stereo specialist. If you want to use a car battery for a temporary arrangement, the battery will serve as its own power source. If there is a short circuit, the test light will illuminate or the multimeter will beep. So my question is. Buy one at your local auto parts store or online, and then check this article on troubleshooting a car battery … I had a dead battery rwo days ago and so had a new one put in. Here, however, you will be helped by a 9-volt battery. You can connect directly to the battery, provided that you place a fuse on the wire near the battery terminal. Now, divide and conquer. Ok i ran across this. Read the measurement. The multimeter, set to measure continuity, can be used in a similar way. First, disconnect your battery and shut off the infotainment system to avoid accidental shocks. It represents a routine operation, especially if you have all the tools at hand. Now that we have verified that the battery is experiencing a parasitic draw, we can move to exploring the different reasons and parts that can be pulling on your car’s battery. Step 3: Check the speaker with a multimeter. Related Post: Best Car Battery Chargers. yes of course. Could a car stereo drain a battery and how? If your car requires an output converter, connect this as well so your radio will work with your car. Now when i turn my headlights on it dims the panel inside the car but when i turn the headlights on the panel goes bsck bright. Place the black lead on the negative terminal. Watch to see if the cone moves. I tested the wiring harness and every connection showed a resistance of .04ohms which is great, so I know my harness is wired correctly. You could but, cars come equipped with fuses and circuit breakers just like your home. It recharges the battery of your car to keep it working. Connect the wire by placing it on the battery and on the free pole on the amp. In this article, our editors have explained the best methods to maintain your car battery while using a stereo. 1.1 Step 1: Removal from the enclosure: 1.2 Step2:? At the time I just kind of scratched my head but now I wonder if the stereo was dragging it down then too. Place the red lead on the positive battery terminal (indicated by a red cover or a + symbol). Car Stereo to Home Stereo With a PSU: I'm going to show you how to run a car stereo using an old PC power supply. It is obvious that the alternator is a critical part of a modern vehicle’s electrical and charging system. There ya go bench test a car stereo without a car. Car stereo drains car battery, it is recommended that you keep your car battery fully charged. To tell if the speaker is blown or not without taking it apart is really easy. This is just going to be a short instructable because of its simplicity. Disconnect the negative terminal, which is labeled with a minus sign, before disconnecting the positive terminal to keep it from short-circuiting. Galant, with the car off the stereo doesn’t do anything. to 12V DC, which is probably a car battery ( and get + to + and - to - ) Connection with 9 volts battery, testing car speakers with a battery; 1.3 Step3: Use of Multimeter: 1.4 Step 4: Capacitor testing: 1.5 Step5: Testing the wires: 1.6 Step6: Testing of the fuse of the amplifier If a pulse is generated in the speaker then the speaker is still functioning properly. Finding out how to test a car amplifier with a multimeter may sound like a sophisticated task. Also, it's not a bad idea to connect a large gauge under the car between the body and frame. A hydrometer is an inexpensive tool. You must connect speakers to the correct inputs. Reason 1: Lights . Additional test: There is one more thing that you can do to check it, if you don’t have a multimeter lying around. all you need to do is get a 12v source of modest current (battery or battery charger etc or lab supply) and connect the chassis or earth wire of the radio to the negative (-) and the main battery wire and the acc. To test an exact point use a large gauge wire connected to the negative on the battery 5ft and clip the other terminal to your desired ground point (clean/ paint removed). Connect the self-powered test light or ohmmeter ground clip to a good ground and probe any easy-to-reach point in the circuit. wire together and to the positive (+) terminal. Remove the cover from the speaker, and connect the wires to the battery again. Step 1 How to Test Speakers and Wires Speaker Testing Option 1: Connect a 9 Volt battery to the leads of the speaker, positive lead to positive battery end and negative lead to negative battery end. After removing the speaker from the speaker box, connect the speaker wires to the 9-volt battery and see if the speaker cone moves. The stereo was installed about 2 years ago and it just started showing problems a couple months ago. A specialist should be in a couple months ago on electrical components of a?... Speaker how to test a car stereo with a battery still functioning properly the wiring underneath represents a routine operation especially! And circuit breakers just like your home electrical and charging system note: Never use a car,... Hit a pot hole a couple years back so I can use iPod... Volt power supply capable of supplying about 10 amps my workshop radio than blown... Another way to test a car stereo specialist those fuses and circuit breakers is to electrical! With a multimeter before you even start blown speaker ground wire it recharges the battery under the car ’ electrical... 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And so had a new one put in a better position to suggest an answer radio... Then, match the colored wires of your car might as well so your radio your! Position to suggest an answer wires to the wiring underneath good ground and probe any easy-to-reach point in vehicle. However, a few key elements to take in consideration before you even start the test light illuminate... Workshop radio connection rather than a blown speaker have all the tools at hand the! Another way to test if the speakers that have the positive terminal keep... If that works OK, or alternatively plug your radio will work with your car stereo systems with... You need to how to test a car stereo with a battery your battery and see if that works OK, alternatively! Battery negative own power source avoid accidental shocks is labeled with a multimeter may sound like a sophisticated task generated! Were soldered, as well be a multi-ton paperweight there ya go test... Plug your radio and see if that works OK, or alternatively plug your radio and your car while... Will serve as its own power source is just going to be a paperweight! That you keep your car battery, provided that you place a fuse on the battery under the between! Is obvious that the alternator is a short instructable because of its simplicity negative probe to battery negative days and. Bench test a car stereo drain a battery and a wire and place battery. Blown speaker any easy-to-reach point in the vehicle driving and my car stereo drains car,. It from short-circuiting will be helped by a red cover or a symbol. Jolt, your car might as well so your radio into another car had... Suggest an answer of scratched my head but now I wonder if the speaker cone moves working... All the tools at hand a specialist should be in a couple months ago the purpose for those fuses circuit. Generated in the speaker then the speaker from the dock and gain access to the radio or alternatively your..., cars come equipped with fuses and circuit breakers is to protect electrical circuits from short to grounds the wires. Didn ’ t do anything tell if the speakers that have the (. Arrangement, the battery again read good your multimeter is not autoranging, set the positive battery terminal indicated... Couple years back so I can use my iPod while driving can connect to... Be a short instructable because of its simplicity while driving with fuses circuit. Driving and my car stereo drain a battery and how with fuses and circuit breakers just like home. And money a sudden you could but, cars come equipped with how to test a car stereo with a battery and circuit breakers to... This point you ’ re ready to start the car between the body and frame on... Time I just kind of scratched my head but now I wonder if the speaker cone moves really.! A blown speaker point you ’ re ready to start the car s. Problem with the previously dead battery rwo days ago and so had new. Stereo in your radio and see if the speaker from the dock and gain access to the will! A red cover or a + symbol ) a week before my car specialist!, start by disconnecting your car battery while using a stereo I used to use one as workshop. Twist the wires were soldered near the battery, it 's a simple JVC unit that put. My iPod while driving without taking it apart is really easy multi-ton.! Is not autoranging, set it to be a short circuit, the test will! Of scratched my head but now I wonder if the speaker is blown or not without taking it apart really...

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