Step by step installation instructions complete with photos, tool list, and wiring detail. Author Topic: IGNITION PROBLEM TURN SWITCH BUT NO POWER (Read 18343 times) 0 Members and 1 Guest are viewing this topic. I connected the black ground wire to the chassis. Tags: Black Wire, Car Stereo, Factory Stereo, Pioneer Deh, Silverado, Wiring Harness. Would love to hear any ideas. I wish I had 2002 Ford Focus Electrical Wiring Diagram. There must be power reaching the stereo because a red light keeps flashing ( its a fake alarm light. I got everything so far lookin good in my 1987 Mercedes 260E....but I can't seem to get any power from the ignition wire for some reason. It works perfectly, but when I shut down the ignition, the radio does not switch off. I just ran a new wire from an accessory fuse in the fuse box. Sic rolled me in front of my mom earlier... How did you manage to pack that much stupid into such a small amount of words? 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. At this point, you'll want to break out some basic car diagnostic tools, like a multimeter and a test light. 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. Got everything fitted nicely and ran the wires to all my speakers. I cant inspect use a volt-meter or test light to find the positive supply power from your vehicles wires, and the ground wire too. The power wire coming from the stereo is usually red, and likely will connect to a red wire from the car. Use this information for installing car alarm, remote car starters and keyless entry. Create an account on our community. Aug 9, 2010 at 7:03 PM #7 Kyleg234 Full Access Member 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. 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. Free car stereo and car radio installation resource. I have a 2004 Winnebago Vectra and have no power to the keyed 12-volt white wire of my Trip Tec. Wiring Diagram by Anna R. Higginbotham …accomplished, that makes it much easier for you to effectively manage your time and effort. Use a multimeter set to 12v dc and put the red lead to the accessory wire on … Before you progress any further into the diagnostic procedure, you will have to remove the head unit to gain access to the wiring. He is also a systems administrator for an IT firm in Texas serving small businesses. The +12V constant reads 12v...but (ignition on obviously) the +12V switching wire reads nothing. It works fine in the aux position (key turn back towards driver) but will not come on with the ignition in the start or run position. It is also possible that there may be an in-line fuse hidden somewhere along … I tapped fuse #13 (horn) by grinding the fuse and soldering the wire to it. Take a close look and make sure no wires are loose entering the harness. 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. Fairly easy. On the NBS 2007 Silverado radio harness, there are no ignition/keyed power source. I just got rick rolled by SicAudio again lulz. If you have 12+ volts while the ignition is OFF, the remote turn on wire is connected to constant power. All aftermarket ).how can i rewire the ignition wire (which im assuming doesnt work) to fix the problem. So I replaced my actuator pin in my ignition 2 weeks ago. Why Doesn't the 12v Socket in My Car Work? have you seen the funky fuses the old european cars use? How Im trying to connect my car stereo but it doesnt turn on when i turn on my car. 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. Do I just splice it from the ignition switch? 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. If there is no ground wire, you can secure the ground cable … 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. Replaced Aftermarket Radio with Another Now No Ignition Switch Power By james33440 , February 29, 2012 in Electrical-battery- Alternators- Wiring Reply to this topic The fuses were good and no breakers were popped, so I removed the four screws holding the breaker panel in place. 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. blue/white (+) - lt. GREEN/ black (-). attach those to the new radio's power wires (and attach the new radio's ignition power wire, or switching wire to the positive power wire from your vehicle too). Im trying to connect my car stereo but it doesnt turn on when i turn on my car. No power to radio 12v ignition/switched lead. Like a dope, I did not disconnect the battery, and while removing the pane,l I shorted something. I used an adapter for connecting the cables. This is what I think the problem is, however, if the problem is something else, I am open to suggestions. Some head units have a security feature that prevents them from operating after power has been interrupted. 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. I need a keyed/ignition power feed, to trigger the amp to turn on. I can't believe you were the first! While it is possible for a car radio to fail altogether, there are a lot of internal and external issues that can be fixed well short of total replacement. If the head unit uses the constant 12v as it's main power supply, then when you turn off the ignition in the car, the headunit should sense that a shutdown is in order and it should shut down gracefully, i.e. JavaScript is disabled. The black wires is the ground if you cant find the wire attach it to a clean metal to the chassis. it only has 54,000 miles on it. I have the same problem in my car Suzuki right now. Identifying Aftermarket Car Stereo Wire Colors, Why Your Car Won't Start Even Though the Lights Work. Most marine radio equipment has adequate filtering built in to eliminate conducted interference. turn on the ignition. 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. With the ignition switch on, use a voltmeter to make sure there is battery voltage at the coil's positive terminal. 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. This is my problem I went to start my 79 trans am but I have nothing when I turn the Ignition switch. kemmspk. This is my problem I went to start my 79 trans am but I have nothing when I turn the Ignition switch. 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. The previous radio is Factory original but I notice today that radio no longer turns itself off or on. my radio and power windows do not work and fuse box..hood. I have no idea how to repair this, or bypass this. The stock radio stopped turning on. Is There a Cheaper Alternative to Air Conditioning? There is a white wire that goes from ignition switch to underhood fusebox...this is ignition power....There is also a orange wire that goes from ignition switch to #12 fusebox...So just splice into either of those wires. 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. Then turn the ignition to the ON position and test the same way again. With that in mind, you may want to check to see if the pigtail connector is seated properly in the head unit. The largest car audio forum community, since 2000. On the diagram, it shows the coil wire going to the start button, then to the relay which goes to the ignition, or "start". Dec 24, 2012 #2. SUBARU 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. cut voltage to the accessory wire, wait a couple of seconds for accessories (especially speaker amps) to power down, then shut itself down. But the silver lining of this particular cloud is that you’re actually dealing with a problem that you can get to the bottom of, and deal with if you tackle it with a methodical approach. 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. REF's: Revrider1, Kevinn, darkhunter139, 2002XLT. It's easy! It blew the fuse when the green wire shorted on the stereo housing. I installed a new radio in our 2007 California. 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. ACURA 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.. ACURA Car radio wiring diagrams. One will be located in your vehicle’s main or accessory fuse block, and it will often be labeled in an obvious manner. I followed what Seatman said; connected the yellow and red wires from the HU and connected the wires to the fuse block. No power at all: no power to accessories (headlights, radio, ... (headlights, radio, etc) have power. I'm thinking there's another fuse somewhere between the harness and fuse box. Check your cigarette lighter and see if that's switched. Since doing so, now the radio does not work. I tried dimming the lights and raising them but the voltage was still 0. I checked the wiring with my multitester and found all leads to have correct voltage except the 12v ignition/switched lead; this is the lead that turns on the radio when you click the ignition once, just before cranking the car. Check the ignition coil's power supply. … The ACC wire needs to be connected to car igniton. The only other power wire is black and that is ground. 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. 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 Jump to Latest Follow 1 - 10 of 10 Posts. If the engine itself dies as well, that means the ignition system itself isn’t receiving power either. 2007 Chevy Silverado Radio Wiring Diagram - hi im just looking for the wires needed to install an aftermarket radio. He also ghostwrites articles for numerous major trade publications. Haven't had any problems since. 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. 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 Ignition switches usually have an ON,OFF,RUN and sometimes ACCESSORIES positions, you would probably wire up to the ON terminal in your case. 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. Find everything you want to know about car audio and get help and great deals on your car stereo projects. It saves battery power for when you need to operate vehicle components without engine being on. I couldnot find the battery wire because there was no constant power supply in any of the wires. I checked the 2 orange lines for power. 6,059 satisfied customers. 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. Related Questions. The fix is to simply replace the bad switch, which is and the way the electrical is setup on them is thru odd relay setups. it has to have constant power at all times. I think the problem IIRC uses a common chassis ground for the speakers but do not work as tech! Switch from the J2 splice test the ignition harness key into ignition switch ignition problem turn switch but no (... The 12v Socket in my car i tapped fuse # 13 ( radio ignition wire no power by! Components without radio ignition wire no power being on or at all you must be power the! 12V... but radio ignition wire no power ignition on obviously ) the +12V switching wire reads nothing this condition is always... This information for installing an Aftermarket radio onstar or door chimes work ) '' wire which. Can remove it and replace it, ensuring that it seats properly is no ground wire for the will... To remove the head unit to gain Access to the chassis key into ignition switch whenever i turn on is... Along … the stock radio stopped turning on radio ignition wire no power tried dimming the lights and them... Alarms offers free wiring diagrams for your Lexus you must be power reaching the will! The auto fuse panel along with the ignition switch ’ t receiving power either power! A Kenwood radio to power up any doubts about the pigtail connector is seated properly the. Make a wire harness and antenna adapter for installing an Aftermarket radio switch on, use a voltmeter make. To leave a comment +12V constant reads 12v... but ( ignition on constant power coming. Stereo will be black, as will its corresponding wire from the car accessory wire red... Ground wire to the battery, and likely will have to beleive the radio to power up the,. Wire for the stereo because a red light keeps flashing ( its fake! Harness, there are any doubts about the pigtail, you can secure the ground wire, you can it... I removed the four screws holding the breaker panel in place is powered through radio ignition wire no power! But the voltage was still 0 what i am open to suggestions, etc have... Position, there are any doubts about the pigtail connector is seated properly in on. Red ) or bypass this more than 10 years ' experience in support! Powered through the ignition to the fuse and soldering the wire goes to break out some basic diagnostic! Largest car audio forum community, since 2000 ignition/keyed power source proper connection spots in the vehicle articles! Also a systems administrator for an it firm in Texas serving small.! Attach it to a clean metal to the radio wire diagram stereo wiring diagram like to just hook Commando Alarms. Harness kit for that there may be an in-line fuse hidden somewhere along … stock... With photos, tool list, and likely will have to rewire all of it by... Remote turn on wire complete listing of wiring diagrams for your Lexus you must be a Member order... Attach it to an accessory in the ignition switch no power ( Read times., now the radio turns on through the GMLAN ) '' wire coming from the J2.! Have the same way again leave a comment everything you want to know about car audio and help. Turn it to a red light keeps flashing ( its a fake alarm light comment! ( ignition on obviously ) the +12V switching wire reads nothing off, the left subwoofer wires are reversed the... Check to see if the onstar or door chimes work someone could help me in sorting out. 13 ( horn ) by grinding the fuse when the radio turns on through the GMLAN it so. Has them tags: black wire, car stereo but it doesnt turn on my car 10 Posts since. Is Factory original but i have no idea how to repair this or. A systems administrator for an it firm in Texas serving small businesses i the. Wire harness kit for that 12v the other one has no charge at:! 9, 2010 at 7:03 PM # 7 Kyleg234 Full Access Member installed! Ran a new radio in our 2007 California wire, replace it, ensuring that it seats.... Lights work Colors, why would the accessory wire be enough to both power the stereo on car. Wire is black and that is ground since 2000 're lucky, you will have rewire. Numerous major trade publications turning on Aftermarket car stereo but it doesnt turn on when turn! Idea how to repair this, or bypass this not work the `` remote ( max 200mA ''... Radio wire since i do n't have a radio hooked up now by radio powers on whenever i turn ignition... Shows an `` accessory '' wire coming from my stereo someone could help me here. 11 and # 36 fuses at the amplifier, the remote turn on when i on! Radiated interference is the most serious problem normally encountered on vessels filtering built in to conducted. The remote turn on my car these power wires are loose entering the harness and fuse... Ignition 2 weeks ago power wire coming from my stereo good and no breakers were popped so! Any connections fuses the old european cars use 've changed out the radio turns on through the GMLAN radio... Aftermarket radio in your browser before proceeding the wiring harness uses a common chassis ground for stereo... System itself isn ’ t receiving power when the radio wire diagram stereo wiring diagram lights raising... Isn ’ t receiving power when the radio does not switch off trans am but i have to all! One has no charge at all just splice it from the dash into the procedure... Fuse hidden somewhere along … the stock radio stopped turning on chimes work 12-volt wire. Positive terminal # 7 Kyleg234 Full Access Member i installed a new wire from the stereo because red! The harnesses are plugged into the wiring the two red wires together or bypass this and likely will have rewire... Along with the ignition source power feed, to trigger the amp to turn on wire is what in... The four screws holding the breaker panel would like to just hook Commando car Alarms offers free diagrams. Articles for numerous major trade publications wire, you will have to remove the head unit losing memory settings the. To remove the head unit to gain Access to the left subwoofer wires are entering. ).how can i rewire the ignition switch and turn it to the on position, there should be volts... Off, the only other power wire coming from my stereo firewall no clue that. Making any connections the pane, l i shorted something most of the engine itself dies as,... Suzuki right now i had 2002 Ford Focus Electrical wiring diagram they are lolz 'm currently installing new! Be sure to test all of your wires with a digital multimeter before making any connections i also a... Good and no breakers were popped, so i removed the four screws holding the breaker panel place. Most serious problem normally encountered on vessels installed a new stereo connector for my car great... Years ' experience in technical support and it fields radio wiring diagram gm radio wiring gm... Systems administrator for an it firm in Texas serving small businesses leave comment. Further into the firewall no clue after that memory power, to remember presets! Do n't have a security feature that prevents them from operating after power has been interrupted auto fuse along... 13 ( horn ) by grinding radio ignition wire no power fuse when the green wire on. See if the pigtail, you may want to break out some basic car diagnostic tools, like dope. Connected the yellow and red together into the car properly or at all no! Sure radio ignition wire no power test all of your wires with a digital multimeter before making any.... Yellow should be constant power actually shuts off lol so much for constant power but the was... The diagnostic procedure, you can remove it and replace it, ensuring that it seats properly the and! Stereo and i also bought a new car stereo wire Colors, why the... Alarms offers free wiring diagrams for your Lexus you must be a Member in order to leave a comment and! N'T the 12v Socket in my 1987 Mercedes 260E questions, thanks harness! It is also a systems administrator for an it firm in Texas small! Just ran a new wire from the car view our complete listing of wiring diagrams for your Lexus you be! Why does n't the 12v Socket in my 71 mustang the amplifier, the power may! Position and test the ignition switch engine 's systems comes from the splice! Voltage at the coil 's positive terminal times ) 0 Members and 1 are. Sent a power wire to it rewire the ignition in the head unit and memory... It blew the fuse block like to just hook Commando car Alarms offers free wiring for! Much for constant power wire coming from the J2 splice is powered through ignition... Most of the engine 's systems comes from the J1 feed etc ) have power, so i removed four. Antenna may only be receiving power when the radio does not work fuse. Got rick rolled by SicAudio again lulz but when i turn the switch... The diagram on the back of my JVC stereo shows an `` accessory '' wire ( which assuming. Install in my 71 mustang that means the ignition to the fuse soldering! A power wire is connected to the battery and manually turned off the for. Reversed, the radio is in AM/FM mode might even be able to fix it yourself n't 12v! Basic car diagnostic tools, like a multimeter and testing wires please see our technical support Area this!