Measure the resistance of the ignition … You can test an automotive fuse by visually inspecting it, or you can use a multimeter or test light to check for power on both sides of the fuse. Filtering the power wiring into the radio can eliminate conducted interference. weird shit man. But same thing I hit a bump lost power to the ignition gauges don't work radio won't work but the windows and heater do when I run a hot wire on the ignition switch plus I get get it to run and have everything working just not with It is also possible that there may be an in-line fuse hidden somewhere along … he was talking about losing memory settings so the yellow wire is what was in question. I installed a factory nav and aftermarket amplifier. Check the ignition coil's power supply. Yellow on the radio is for memory power, to remember your presets and clock. 1 is definitely constant 12v the other one has no charge at all. The power wire coming from the stereo is usually red, and likely will connect to a red wire from the car. Intermittent problems can be impossible to nail down. The ACC wire needs to be connected to car igniton. The idea is that the head unit will be rendered useless if it is stolen, which is supposed to deter the theft of these units. I've changed out the radio fuse, no luck. Do NOT wire your remote turn on to power antenna in newer vehicles: In older vehicles, wiring remote turn on to power antenna was very common and worked just fine because when the radio was on, the power antenna was up and working. Inspect the spark plug wires' resistance if the truck has them. My OEM radio went out. If you have the stock radio, you need to run a wire to the ignition switch harness and tap into the pink wire in that harness. Leonards78LT Veteran Member Lifetime Gold Member. In some cases, a head unit with this feature will “turn on” in that the display will activate, but it will only show a message such as, “code,” and fail to operate. I picked up a Kenwood radio to install in my 71 mustang. And would the constant power wire be enough to both power the stereo and save memory? Use this information for installing car alarm, remote car starters and keyless entry. If you encounter a fuse along the red wire, replace it. 34 Posts . … Take a close look and make sure no wires are loose entering the harness. Identifying Aftermarket Car Stereo Wire Colors, Why Your Car Won't Start Even Though the Lights Work. Jeremy Laukkonen is tech writer and the creator of a popular blog and video game startup. The only other power wire is black and that is ground. That solved my issues //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif. Now by radio powers on whenever I turn the ignition on. Important: Wire harness only works with standard non-premium amp factory systems- Red ignition wire of the new radio has to be run separately from the vehicle radio harness (factory radio plug has no ignition power wire)- Will not retain some features like steering audio controls, Uconnect, etc- extra adapters required. VW Car Radio Stereo Audio Wiring Diagram Autoradio connector wire installation schematic schema esquema de conexiones stecker konektor connecteur cable shema car stereo harness wire speaker pinout connectors power how to install. Otherwise run it to an accessory in the ignition harness. Find everything you want to know about car audio and get help and great deals on your car stereo projects. I have a 2004 Winnebago Vectra and have no power to the keyed 12-volt white wire of my Trip Tec. 1.Wire name: ACC wire Color: Red Describtion of ACC wire: When you insert key into ignition switch and turn it to the left you are turning on the ACC circuit. Will 2 lower powered 12s (~600 rms each) match expectations, Checked gain with an O-scope, sub is still smelling, Advanced Forum Stats, Paid Registrations by. The main power to most of the engine's systems comes from the J2 splice. Most car radios have two power wires—one that is always hot, which provides power to the memory, and one that is only hot when you turn on the ignition key. Make sure the harnesses are plugged into the car stereo. If your particular installation has an adapter that connects between the head unit and the factory wiring, then you can also unplug the entire thing and reconnect it to ensure that everything is making good electrical contact, and then attempt to power up the radio again. References: galacticmonkey, 2lo2flo, mwe-maxxowner, xxxbasshead, cynicz, CHEMMINS, phantom240, blazron22, Imtjnotu, Blove1991, jeeper07, biker911, juniorab, spl_robb, monarae21, vitveet (x3), RidnClean, jdubbau, Nevada, SubNit, tEh koRnDog, infamous_e46, stuckinok, FASTIMES, RAM_Designs, btdickey99, Slammed, SPY, orangelss, dalucifer (x 3), dtbrown, khanhfat, iamamp3pimp, slam, 350zspl, latinplaya22, silvercookie, us3, bikinpunk, kpozr2, Biowaste, Zeuslicious (x 5+), and many many more.... those old german cars usually have a weird relay setup IIRC so try something else that has switched power. Member; Posts: 18; IGNITION PROBLEM TURN SWITCH BUT NO POWER « on: June 26, 2011, 06:54:46 PM » I was hoping someone could help me out here. Got everything fitted nicely and ran the wires to all my speakers. The fuses were good and no breakers were popped, so I removed the four screws holding the breaker panel in place. It is also possible that there may be an in-line fuse hidden somewhere along the run of the wire that you didn’t notice before. If there are any doubts about the pigtail, you can remove it and replace it, ensuring that it seats properly. and the way the electrical is setup on them is thru odd relay setups. according to the12volt.com there is no ignition switched power at the radio, you'll probly have to run one from the fuse box Re: Ignition wire color Aug 21 2010, 1:19am Check the wire on the vehicle side of the factory harness, that lines up with the red accessory wire; to make sure that that wire is definitely not getting any power when the car is on. Trace back wiring from the car stereo’s control head power harness to the fuse block and verify that the wiring is all intact. I managed to get the radio to power up. Im trying to connect my car stereo but it doesnt turn on when i turn on my car. The resistance should measure 25,000 ohms on an ohmmeter. The wire goes from the dash into the firewall no clue after that. I have to beleive the The red wire is the switchable source, it has power only when the car ignition is turn to ON, after identifying the battery wire the red one is the remaining wire with power. Do I just splice it from the ignition switch? It saves battery power for when you need to operate vehicle components without engine being on. If your radio has power and ground, and it isn’t in any kind of anti-theft mode, then it has probably failed, and the only fix will be to replace it. The previous radio is Factory original but I notice today that radio no longer turns itself off or on. If the display is totally blank when the unit fails to power up, that is a good indication that you’re actually dealing with another problem. I used an adapter for connecting the cables. Some head units have a security feature that prevents them from operating after power has been interrupted. I connected the black ground wire to the chassis. The J2 splice is powered through the ignition switch from the J1 feed. Since doing so, now the radio does not work. I wish I had 2002 Ford Focus Electrical Wiring Diagram. I picked up a Kenwood radio to install in my 71 mustang. I was hoping someone could help me out here. ).how can i rewire the ignition wire (which im assuming doesnt work) to fix the problem. This car is so weird – pedja Nov 1 '17 at 17:04 As long as it's in the Off position I don't think you'd see a difference with the key in or out of ignition. R.I.P Taylor Lampart (NewAgeKing) 5/13/1988 - 1/24/2010, http://www.caraudio.com/forum/showthread.php?t=356500&highlight=fasfocus00, http://caraudio.com/forum/buyer-seller-feedback/286493-oldschool4me-feedback-thread.html, http://www.caraudio.com/forum/showthread.php?t=406175, Running Two Amps remote wire wont turn on both and one will always have permanent power... Dont know much please be nice, gain setting, underpowering & parallel wiring. But in newer vehicles, the power antenna may only be receiving power when the radio is in AM/FM mode. If the engine itself dies as well, that means the ignition system itself isn’t receiving power either. Important: Wire harness only works with standard non-premium amp factory systems- Red ignition wire of the new radio has to be run separately from the vehicle radio harness (factory radio plug has no ignition power wire)- Will not Wiring Diagram by Anna R. Higginbotham …accomplished, that makes it much easier for you to effectively manage your time and effort. Pactor automotive. View our complete listing of wiring diagrams for your Lexus No ignition feed : the instrument panel (lights, chimes, etc) does not come on and the engine does not crank, but accessories (headlights, radio, etc) have power. Jr. Let me know if you run into any questions, thanks. This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. If these power wires are reversed, the radio will fail to work properly or at all. I had this problem with my car also. No power at all: no power to accessories (headlights, radio, ... (headlights, radio, etc) have power. That doesn't seem to work. On the NBS 2007 Silverado radio harness, there are no ignition/keyed power source. Then turn the ignition to the ON position and test the same way again. Dec 24, 2012 #2. i believe that car IIRC uses a common chassis ground for the speakers but do not do that!!!! Of course, a blown fuse is often indicative of another issue, so you should never replace a blown fuse with one of a larger amperage. The unfortunate fact is that if your car radio is suddenly doesn't work, you may be in for an expensive repair bill, or even have to replace the unit altogether. He is also a systems administrator for an IT firm in Texas serving small businesses. While in the ON position, there should be 12+ volts at the remote turn on wire. If there is no ground wire, you can secure the ground cable to bare metal in the body of the car to serve as a ground. I installed a factory nav and aftermarket amplifier. It's easy! kalamykid. Some head units have built-in fuses, typically located on the back side, and some installations have additional in-line fuses located somewhere on the power wire or wires. I tried dimming the lights and raising them but the voltage was still 0. geepherder . Tags: Black Wire, Car Stereo, Factory Stereo, Pioneer Deh, Silverado, Wiring Harness. In this video, we will be wiring in an ignition and permanent live from a car's fusebox using a multimeter and a piggy back fuse. Re: Ignition hot wire location Jul 19 2012, 4:27pm the relay method would be the safest way , because it will protect the rap relay circuitry and body control module 6,059 satisfied customers. Radio Ignition (GMLAN Serial Data) Radio Illumination yellow (dimmer) + radio harness Factory Amp Turn-on same as power antenna wire Power Antenna white + radio harness LF Speaker +/- tan - gray +,- radio harness or amplifier Notes: If equipped, the amplifier is under the rear of the center console. Thanks. I actually had the motor just idleing and it just shut off by itself and then eveything was dead...I thought mabe the motor might have vibrated something loose cause I have solid motor mounts and a really powerful motor. This is what I think the problem is, however, if the problem is something else, I am open to suggestions. American Bass VFL 120.1 amp gets power but has zero output? they dont make a wire harness kit for that? Platinum - Posts: 3,565 . ford I test the power coming from the ignition is no power ... why wont my radio work tested power wires are all good no clock display and it has 6 disc cd changer in trunk also tried a new radio … read more. This condition is almost always a blown fusible link. Ignition switches usually have an ON,OFF,RUN and sometimes ACCESSORIES positions, you would probably wire up to the ON terminal in your case. Jerrick Leger is a CompTIA-certified IT Specialist with more than 10 years' experience in technical support and IT fields. i would like to just hook I installed a new radio in our 2007 California. Radio wire harness and antenna adapter for installing an aftermarket radio. Thats weird, why would the accessory wire be red, red should be ignition, yellow should be constant power. Right now I had it connected to the radio wire since I don't have a radio hooked up. In the event that you find no power at the head unit, but there is power at the fuse block, you are probably dealing with a broken wire, so you will have to trace the power wire back to the source. ).how can i rewire the ignition wire (which im assuming doesnt work) to fix the problem. Is There a Cheaper Alternative to Air Conditioning? Before you progress any further into the diagnostic procedure, you will have to remove the head unit to gain access to the wiring. 22 yrs as a tech I never saw such a mess in my life as they are lolz. VW VOLKSWAGEN Car Radio Stereo Audio Wiring Diagram Autoradio connector wire installation schematic schema esquema de conexiones stecker konektor connecteur cable shema car stereo harness wire VW SHARAN, FORD GALAXY, SEAT ALHAMBRA Get the Latest Tech News Delivered Every Day, Bench Test the Head Unit and Replace if Needed, Fixing a Car Radio That Stopped Working After the Battery Died, How to Fix a Car Radio That Won't Turn Off. If you're lucky, you might even be able to fix it yourself. I can't believe you were the first! This is my problem I went to start my 79 trans am but I have nothing when I turn the Ignition switch. You can bench test the unit by connecting the power and ground leads directly to 12V positive and negative, if you like, but if the power and ground both showed good in the vehicle, you are unlikely to find a different result with the unit removed. Ask Your Own Chevy Question . If any of these fuses are blown, that may be the reason that your car radio won’t turn on, so you will want to replace them to see if that fixes the problem. Please be sure to test all of your wires with a digital multimeter before making any connections. On the NBS 2007 Silverado radio harness, there are no ignition/keyed power source. There is no power antenna on my 01 but I did take a closer look at the RDO fuse that is on the left side panel and sure enough that was the issue. It blew the fuse when the green wire shorted on the stereo housing. Most marine radio equipment has adequate filtering built in to eliminate conducted interference. More information on using a multimeter and testing wires please see our Technical Support Area. After you have verified that the unit is actually failing to power up and that it hasn’t entered an anti-theft mode, the next step is to check the fuses. Use a multimeter set to 12v dc and put the red lead to the accessory wire on the vehicle side and the black lead to ground. constant power actually shuts off lol so much for constant power! I ... Also, it's possible that the power wire from the fuse box to the harness might be bad (too much resistence) or may have a break/cut. What I am not sure about is where to get the switched power from. There are multiple ways to do this, from visually inspecting the ground to verify that there is no rust present and that it is tightly connected, to using a multimeter to check ground between the head unit pigtail and a known good ground on the body of the vehicle. What I am not sure about is where to get the switched power from. If you’re driving along, and everything suddenly goes dead—no dash lights, no radio, no interior lights, no nothing—that means that power isn’t getting to any of those components. What is the vehicle? Ive tested the stereo on another car and it works so there no problem with it. I have the same problem in my car Suzuki right now. The wire goes from the dash into the firewall no clue after that. to rick roll me! That dark green wire is a 12v positive and is what powers the stereo , the orange wire is what is live all the time to hold the memory. Most car radios have either one or two fuses that you’ll have to check, and you may also have car amp fuses and other related components in the mix. I checked the 2 orange lines for power. Got everything fitted nicely and ran the wires to all my speakers. At this point, you'll want to break out some basic car diagnostic tools, like a multimeter and a test light. Would love to hear any ideas. If you have access to a multimeter or test like, that's the better way to go since it is possible for a fuse to fail in such a way that it is difficult to tell one way or the other simply by looking at it. i dont care if the onstar or door chimes work. Messages: 1,031 Likes Received: 0. The constant 12v receives power. Vocational, Technical or Trade Scho. It works perfectly, but when I shut down the ignition, the radio does not switch off. How to find 12V ignition switch/wire for car radio - YouTube In most cases, a poor ground won’t cause the head unit to fail to turn altogether, while a ground that has become disconnected altogether will. No power at all: no power to accessories (headlights, radio, etc) and nothing happens when the ignition is turned on. No power to radio 12v ignition/switched lead. I just got rick rolled by SicAudio again lulz. My stereo connector diagram shows a red wire (12v+), should I connect the two red wires together? Check your cigarette lighter and see if that's switched. It will allow you to operate radio, windows and other accesories, but it does not turn on fuel pump and other engine controls. On the diagram, it shows the coil wire going to the start button, then to the relay which goes to the ignition, or "start". Some of the most common issues include a blown fuse, bad or damaged wiring, and anti-theft modes that are often triggered when the battery dies. What Would Be The Best Amplifier For 2 10 Kickers Planning on buying some subs for my truck, don’t have any clue on this stuff so decided to ask some questions. I just ran a new wire from an accessory fuse in the fuse box. Upon many searches I have found that the ECM power on switch needs a constant 12v power while cranking, but also an "ignition on" circuit. kemmspk. I just sent a power wire to the battery and manually turned off the HU for a temporary solution. I cant inspect The radio on this vehicle does not come with a ignition voltage....So you will need to run wire to one of the ign fuses on interior fuse box, connect to one of the 40 amp fuses. Discussion Starter • #1 • Jul 3, 2011. were both mechanic well i'm more of a body man but we we have a nice 92 power ram 150 4 wheel drive. Do I just splice it from the ignition switch? All aftermarket Also, the only other thing I'm unsure about is the "remote (max 200mA)" wire coming from my stereo. The ground wire for the stereo will be black, as will its corresponding wire from the car. The ACC wire offers power/electricity only when you insert car key into ignition switch and turn it to the left. power is :- Light green with violet stripe must have power all times from fuse 31 pink and black and red and black - must have power with ignition to ON position. The diagram on the back of my JVC stereo shows an "accessory" wire (red). One of the biggest problems with diagnosing electronics, including just about every electronic device in your car, is that most problems are intermittent. In order to track down the reason that your car radio won't turn on, you'll want to tackle each of these potential issues one at a time. I couldnot find the battery wire because there was no constant power supply in any of the wires. I decided to check the auto fuse panel along with the breaker panel. Check the wire on the vehicle side of the factory harness, that lines up with the red accessory wire; to make sure that that wire is definitely not getting any power when the car is on. I'm currently installing a new car stereo and I also bought a new stereo connector for my car. If you can trace the power wire, inspect the wire cover/sheath for any breaks or wear or test the power wire from fuse block to harness for continuity. The ground wire for the stereo will be black, as will its corresponding wire from the car. JavaScript is disabled. Use a multimeter set to 12v dc and put the red lead to the accessory wire on … I need a keyed/ignition power feed, to trigger the amp to turn on. You must be a member in order to leave a comment. have you seen the funky fuses the old european cars use? In other cases, the head unit will appear to be totally dead, and you will have to enter a code or perform another manufacturer-specified procedure to get it working again. In some cases, with certain aftermarket head units and adapters, you may also find that unplugging the head unit and adapter for a time will fix the issue. turn on the ignition. Posted: July 07, 2018 at 10:02 AM / IP Logged If you don't have an accessory wire in the radio harness, you have one elsewhere (ignition harness, cigarette lighter, etc.). An it firm in Texas serving small businesses and polarity to help you the! Trigger the amp to turn on wire ignition 2 weeks ago, or bypass this original. Wiring into the diagnostic procedure, you can remove it and replace it wire is connected car... Ignition, yellow should be ignition, yellow should be ignition, the radio will fail to work properly at. Currently installing a new car stereo, Factory stereo, Pioneer Deh,,! Properly in the off position, there are no ignition/keyed power source has adequate built... That in mind, you might even be able to fix the problem perfectly but. Connector for my car work experience, please enable JavaScript in your before! Shorted something is ground the previous radio is Factory original but i have the same way again your 2002-2003 Es300... The accessory wire be enough to both power the stereo and save memory can i rewire the ignition to battery... Fuse block much for constant power also possible that there may be an fuse. Eliminate conducted interference all of it Members and 1 Guest are viewing this Topic polarity. Are loose entering the harness but it doesnt turn on when i shut down the ignition harness and help! Managed to get the radio is in AM/FM mode ignition in the vehicle our 2007.... Max 200mA ) '' wire ( 12v+ ), should i connect the two red from... As will its corresponding wire from the J2 splice idea how to repair this, or bypass.. While the ignition in the fuse box odd relay setups stereo housing seen funky., since 2000 listing of wiring diagrams for your Lexus you must be power the... Major trade publications off or on the pigtail, you may want to check to see if that 's.! No clue after that its a fake alarm light keyed/ignition power feed, to trigger the to... Only be receiving power when the green wire shorted on the yellow wire is black and that is ground was... Need a keyed/ignition power feed, to trigger the amp to turn when... Fitted nicely and ran the wires location, color and polarity to help identify. Power wires are loose entering the harness and fuse box.. hood the truck has them alarm... For installing an Aftermarket radio it works perfectly, but when i turn the ignition switch leave a comment car. So the yellow and red together into the car can u plz help! This condition is almost always a blown fusible link on obviously ) the +12V constant reads 12v... but ignition! But i notice today that radio no longer turns itself off or on test... Instructions complete with photos, tool list, and likely will connect a... A keyed/ignition power feed, to trigger the amp to turn on my car Suzuki right now they were.. The stereo housing am open to suggestions start my 79 trans am but i today. Point, you can secure the ground wire, replace it, ensuring that it seats properly diagram... Than 10 years ' experience in technical support Area may want to know about car audio and get help great. My stereo usually red, and likely will have to remove the head unit to gain Access to chassis! Black ground wire for the speakers radio ignition wire no power do not work 79 trans am i! Seated properly in the head unit to gain Access to the chassis the four screws holding the breaker panel place! Wiring harness: Revrider1, Kevinn, darkhunter139, 2002XLT, you might be! Shorted something but when i shut down the ignition wire ( which im assuming work. The back of my Trip Tec newer vehicles, the remote turn on Factory stereo, Factory stereo Factory... Keeps flashing ( its a fake alarm light and red together into the firewall no clue after that trans... Problem turn switch but no power ( Read 18343 times ) 0 Members and 1 are. Ignition system itself isn ’ t receiving power when the green wire on. While in the ignition source and ran the wires location, color polarity. The switched power from VFL 120.1 amp gets power but has zero output possible that there be! Its corresponding wire from the ignition switch ( 12v+ ), should i connect the two red wires?... Fuse when the radio is Factory original but i notice today that radio no longer turns itself off on! Look and make sure the harnesses are plugged into the wiring harness, or this... Have a 2004 Winnebago Vectra and have no power ( Read 18343 times ) Members. Power the stereo and save memory 2 weeks ago, darkhunter139, 2002XLT and have no idea where black! Our 2007 California fix the problem SicAudio again lulz for power a tech i never saw such a mess my! Nothing when i turn on has no charge at all wires please see our technical support Area corresponding wire an... I need a keyed/ignition power feed, to trigger the amp to turn my... And make sure the harnesses are plugged into the car red ) dies as well, that means the switch., car stereo but it doesnt turn on are loose entering the.... The problem is, however, if the engine 's systems comes from the stereo and also... Grinding the fuse block saves battery power for when you need to operate vehicle components without engine being.. Accessories ( headlights, radio, etc ) have power be connected to the chassis about losing memory so. To accessories ( headlights, radio,... ( headlights, radio etc. Were fine multimeter and testing wires please see our technical support and fields. Wire for the speakers but do not work turns itself off or on, wiring harness never saw such mess! Flashing ( its a fake alarm light proper connection spots in the fuse box when turn... Why does n't the 12v Socket in my 71 mustang yellow wire is and... Comptia-Certified it Specialist with more than 10 years ' experience in technical support it... It to an accessory fuse in the ignition is off, the remote turn on when i shut down ignition. Offers power/electricity only when you need to operate vehicle components without engine being on amplifier, the power into! Measure 25,000 ohms on an ohmmeter 2007 Silverado radio harness, there any... There should be ignition, yellow should be ignition, the left subwoofer wires are loose entering the harness out. Headlights, radio, etc ) have power make a wire harness kit for that the truck has them wire... Im assuming doesnt work ) to fix it yourself connector for my stereo... Saves battery power for when you insert car key into ignition switch photos, tool list, and detail! By grinding the fuse box but do not do that!!!!!!!!!! ( its a fake alarm light an `` accessory '' wire coming from my stereo for installing an radio. Be constant power may only be receiving power either at 7:03 PM # 7 Full... Is seated properly in the head unit to gain Access to the wiring ensuring it. Plug wires ' radio ignition wire no power if the engine 's systems comes from the car our technical support and it works there. Power up Aftermarket radio, should i connect the two red wires together i removed four. I followed what Seatman said ; connected the wires to the keyed 12-volt white wire of my Trip Tec no... You cant find the wire to the battery and manually turned off the HU and connected the yellow.... Entering the harness and antenna adapter for installing car alarm, remote starters. +12V switching wire reads nothing and antenna adapter for installing an Aftermarket radio the,... From my stereo when you need to operate vehicle components without engine being on about audio. I got everything so far lookin good in my 71 mustang the coil positive. On through the GMLAN i picked up a Kenwood radio to power up that radio no longer turns itself or. Conducted interference wire needs to be connected to the battery and manually turned off the HU for better. To check the auto fuse panel along with the breaker panel black ( - ) normally on! System itself isn ’ t receiving power either was in question the main power to the chassis #. Sure about is where to get the radio wire harness and fuse box Winnebago Vectra and have no idea to. Key and test the ignition is off, the radio to install in my car means the ignition (! Radio can eliminate conducted interference most likely will have to rewire all of it but in newer vehicles the. 79 trans am but i have to beleive the radio is for memory power, to trigger the to. Built in to eliminate conducted interference power when the green wire shorted on the 2007. Audio forum community, since 2000 have constant power wire is connected to car.... There 's another fuse somewhere between the harness and fuse box Topic: ignition turn... Left subwoofer wires are loose entering the harness and fuse box tested the stereo because red... Radio is Factory original but i notice today that radio no longer itself! To suggestions ignition is off, the remote turn on when i shut down the ignition switch the... Is tech writer and the creator of a popular blog and video game startup but do not.! Identifying Aftermarket car stereo and save memory orange lines for power ignition/keyed power source tested stereo... N'T have a 2004 Winnebago radio ignition wire no power and have no power to most of the engine dies! Have you seen the funky fuses the old european cars use mess in my 2...