That is ideal because it will put much less drain on the battery say if you are sitting in a parking lot waiting on someone and don't want to run the engine. I am colorblind personally, and had a hard time growing up telling between the red and yellow cord. by. I bought a stereo and wiring harness from circuit city and when I went to install it, the harness they gave me didn't connect to the stereo, so I clipped the wires and crimped them together (making sure that they all were separate from each other). NOTE-never connect the red and yellow wires together it won't damage your stereo but if you connect them to a positive (+) wire that has voltage even with the ignition off your stereo won't shut off when you turn your ignition off. Describtion of 12V battery(+) wire: The 12V permanent battery wire will always offer power/electricity when the vehicle is turned on or off Tags: Amplifier, Fuse, Inch Subs, Pontiac, Sony, Sony Stereo, Yellow Wires. You need to add a switched power wire for the red wire, There is no switched wire in the head unit harness. my car is a 2002 pontiac aztec. Now, you will connect the 12 constant and ignition power wires to the stereo. Identifying car stereo wires might seem intimidating, but in truth, figuring out the purpose of each wire in a factory car stereo wiring harness is actually pretty easy. on and drain your battery. I have to connect the batt. Black is ground.Connect this wire to the negative post of your battery,or a nice clean ground to the cars frame.But the negative side of the of the battery is … How loud is a 24,000 watt system with 3 18's? The top chart is your car's wiring, and the lower chart is your radio's wiring. Most modern after market car stereos use the same wire colors. How to Connect Car Stereo Wires Together. We put together a professional and informative Car Stereo Wiring Color Code guide for you to follow when installing aftermarket car stereos, along with some helpful tips. If it's an older model, the yellow is your video signal, and the red and white are for stereo audio. I have connected all the wires properly to their corresponding ones in the dash, yet I still get no power to the stereo. 0. c00kiemonster72 Posts: 2,363. Blue and yellow wires are most commonly found in commercial buildings and are used as the live wires pulled through a conduit. Lower chart" 12V constant is Yellow. Just remember to switch the stereo off when leaving the car … The Red wire is for switched power such as from the ACC (accessory) connection in the ignition & powers the stereo head . Acc/ignition is just a turn-on signal. Connect both … Car stereos have eight wires for the traditional 4-speaker system – a positive wire and a negative wire for the front left, front right, rear left, and rear right speakers. No it wont turn on unless they are connected together. Black is ground.Connect this wire to the negative post of your battery,or a nice clean ground to the cars frame.But the negative side of the of the battery is just as good. Whoever is in need of this guidance, do tell him or her so that they can also get benefit from these amazing detailed charts which are explained with the specific cars also. So my buddy gave me an old radio to replace mine that went out back in november(3 months sans radio SUCKS!!) yes that is back up they need to it will be fine i had the same problem and i did that and it works fine. Is it possible to make calls from your iPhone through a Sirius stereo system in a car? good luck with task and let me know if you have more questions. our editorial process. It has red, yellow, and black wires that correspond with the wires in the dash. Power wires The black, yellow and red wires are known as the “power wires” as they are responsible for powering your stereo, or specifically, they help in turning on your stereo. If you are still planning to get your car some new speakers, then best that you also check out the best *car stereos reviewed by MusicCritic. Facebook; Twitter; LinkedIn; Jeremy Laukkonen. Federal judge in Iowa ridicules Trump's pardons, Celeb doctor reveals he's laid up with COVID-19, Army players caught in cheating scandal still playing, Wisconsin wins Mayo Bowl, trophy comes out the loser, GOP blocks $2K stimulus check proposal again, Sanders speaks out on McConnell’s additions to bill, International imposter attack targets government aid, Americans in Wuhan fearful for U.S. relatives, Pope Francis's native country legalizes abortion, After release, 31 teams pass on Dwayne Haskins, Trump asks Supreme Court to set aside Wisconsin's election. These wires carry power but aren’t used in typical outlet wiring. Swapping the red and yellow might work, but knowing what car, and a properly worded question, would be really helpful! Related Questions. and i wired it up, red wires to red, yellow to yellow and black to black. Describtion of 12V battery(+) wire: The 12V permanent battery wire will always offer power/electricity when the vehicle is turned on or off Hey Fellas, If any of y'all are any good with car stereos, i think some of you are, i could use some advice as i am thoroughly confused. Assuming that you do have a harness, we are going to use the crimping method to connect the wires because it is much easier and cleaner than soldering. It’s possible to link two red wires together or a red wire to a black wire. The ACC wire needs to be connected to car igniton. It is very important to have proper and full awareness about wire colors .each color plays a role of code. I have a EG civic. 2.Wire name: 12V battery(+) Color: Yellow. This is just my setup. The BT3900U has two power wires a red, and a yellow colour coded wire. Wire colors in your car might be different than colors described here. I am putting a sony stereo in my car, I also have a 600 watt dual brand amplifier and 2 kenwood 12 inch subs. The yellow wire is the 12 volt battery wire, which should also be attached to the stereo for power. Like black wires, they can also be used in some types of switch legs. and have no idea where the black wire goes, 2-red wire is positive (+) connect it to a wire that has voltage every time you turn the ignition on ,(that way when you turn the ignition off the stereo will shut off also), 3-the yellow wire is positive also (+) and is your stereo's memory connect it to a wire that always have voltage even if you turn the ignition off that way the time clock and your favorite stations won't be erased every time you turn your stereo off (you can connect it to the positive wire that goes to the back of your cigarrett lighter this wire has voltage all the time even with the ignition off), NOTE-never connect the red and yellow wires together it won't damage your stereo but if you connect them to a positive (+). if you are concerned, run a new constant power (yellow) direct to the positive battery terminal (with an inline fuse) and run the accesories power (red) to the positive side of your cigarette lighter socket or some other location near the head unit. While it can be used at a lower current application, it is not typically meant for higher loads. For the best answers, search on this site https://shorturl.im/awJRF, Yes for a radio to work PROPERLY you have to hook up both power wires to separate power sources, one that is hot at all times (memory) and one that is only hot when the key is turned (power), black is usually ground,red if seperate from the plug may be constant 12 volts for memory and clock and yellow usually goes to a power antenna which you probably dont have. On Stereo: Strip black, red, and yellow wires. Is it ok if if i connect the red and yellow wire together? Get your answers by asking now. You do not want to end up screwing the entire electric setup. Stereo audio applications use either black and red, grey and red or white and red RCA connectors; in all three cases, red denotes right. trying to connect it to my 04 silverado using the orginal plug that the factory stereo was connected to. The red wire is designed to be connected to a 'switched' 12 volt supply i.e. It will work either way whether the red wire is connected to the ACC position or the ignition position. You don't have to swap the red and yellow wires over, you can actually join the wires together if you prefer to get a permanent feed. Red is keyed positive.Connect this wire to accessory plug on your fusebox.You want this wire to have power only when you turn on the ignition switch. Join Yahoo Answers and get 100 points today. Tags: Black Wire, Car Stereo, Factory Stereo, Pioneer Deh, Silverado, Wiring Harness. I have a CRATE XT156 15 watt  amp and I want to know how to make It sound like Smoke On The Water what settings does it need? everybody knows yellow fused wire to constant battery power, while red wire ACC wire usually unfused to ACC. How loud is a 24,000 watt system with 3 18's? Anonymous. My antenna is a piece of scrap #10 solid copper wire shoved into the antenna jack and held in with tape. Am i the only one who has to splice those 4 wires together ( 2 harness wires to 2 stereo wires)? The easiest way to wire in an aftermarket car stereo is to look at car stereo wiring diagrams for the specific vehicle and head unit, but it's actually possible to get the job done without any labels, adapters, or diagrams. Related Questions. Can Accessory And Constant Wires Be Together? and i wired it up, red wires to red, yellow to yellow and black to black. This is interesting. With a Harness . so when car is running, does stereo drain power form yellow or red? OEM colors could be anything. For example: top chart: 12 V Constant BLUE/RED on 626 wiring. (Car Audio) Does the Kenwood KDC-BT362U receiver have a remote amp on lead? man i was in this situation about a year ago, just go to circuit city they should install it for free if you bought it from them. To properly set up the stereo, first of all, you need to dismount the old one set in your car. where do i connect the red, yellow,and black wires in my car stereo? The problem is that the car stereo will not work unless the red and yellow wires are touching. Just go through them one at a time matching what each chart says to the wire label. Hey Fellas, If any of y'all are any good with car stereos, i think some of you are, i could use some advice as i am thoroughly confused. Jeremy Laukkonen is tech writer and the creator of a popular blog and video game startup. These wires will usually be red and yellow. ok your harnes should have came with red yellow and black cables but whatever check it out you can connect the yellow and red together to the power source on the the harnest and the ground you can just attach it to any srew around the stere housing, as long as the srew is connected to the car cause your car is ground. wire that has voltage even with the ignition off your stereo won't shut off when you turn your ignition off. I am putting a sony stereo in my car, I also have a 600 watt dual brand amplifier and 2 kenwood 12 inch subs. Now all these different color represent something and it should be added or placed at the required port. The ACC wire needs to be connected to car igniton. i have the wiring harness, but not sure where to connect these 3 wires. 2.Wire name: 12V battery(+) Color: Yellow. HELP! Get your answers by asking now. I bought a stereo and wiring harness from circuit city and when I went to install it, the harness they gave me didn't connect to the stereo, so I clipped the wires and crimped them together (making sure that they all were separate from each other). 0. Ground wire Identifying car stereo wires might seem intimidating, but in truth, figuring out the purpose of each wire in a factory car stereo wiring harness is actually pretty easy. You take the stereo out of the car, get a 12v battery and charger, or a 12v regulated power supply capable of about 5Amps. If your car doesn't have a switched 12v in the block (in the position of the red wire) then you can connect the red and yellow together and it will work, albeit on permanent live. Related Questions. Here is a chart by which you will be better able to understand the function of car stereo wires with reference to the color. Identifying Aftermarket Car Stereo Wire Colors They typically follow a common pattern. Talizman Posts: 2,628. the red wire is connected to the red wire on the adapter plug and same with the yellow but you have to put all four together for it to work. I have already mentioned above in car stereo wire colors chart about the identification and feature of every wire. Soldering two wires together requires a soldering iron and solder. Generally, when installing a new car stereo into your vehicle you’ll need an aftermarket wiring harness that clips onto the factory harness you pulled off of the back of your factory radio during its removal.. You Are essentially continuing the flow of an electrical circuit when your connecting a wiring harness for your stereo. To locate the ignition wire follow the same steps as above, only this time have the vehicles ignition in the ON position. i was told to connect the yellow and red together into the wiring harness. So we all know that Yellow is constant 12v and red is switched 12v. Source(s): connect red yellow black wires car stereo: https://tr.im/2lVNO. I can not find a constant 12v wire (yellow). I am installing a radio in an older car 85 Nissan pickup. In short, the illumination wire on a car stereo wiring harness is used to dim the screen on your aftermarket car stereo. Dashboard electrical wires are generally 18 gauge wires but it is possible that you have a different size wire. the red wire is connected to the red wire on the adapter plug and same with the yellow but you have to put all four together for it to work. Peugeot 206 and a Sony CDX-GT35U Xplode. Federal judge in Iowa ridicules Trump's pardons, Celeb doctor reveals he's laid up with COVID-19, Army players caught in cheating scandal still playing, GOP blocks $2K stimulus check proposal again, Wisconsin wins Mayo Bowl, trophy comes out the loser, Sanders speaks out on McConnell’s additions to bill, Americans in Wuhan fearful for U.S. relatives, International imposter attack targets government aid, Pope Francis's native country legalizes abortion, After release, 31 teams pass on Dwayne Haskins, Trump asks Supreme Court to set aside Wisconsin's election. The problem is that the car stereo will not work unless the red and yellow wires are touching. The black, yellow and red wires are known as the “power wires” as they are responsible for powering your stereo, or specifically, they help in turning on your stereo. Forum Member 15/04/12 - 15:47 #15. I would not wire the yellow and red together, it is a given you'll leave the h.u. These charts are going to help you with. Speaker wires. Hello, First off thank you for your time. We are not responsible for any misprints. The red wire is designed to be connected to a 'switched' 12 volt supply i.e. wires (yellow) with the Ignition wires (red) to get my aftermarket stereo to turn on, but the clock keeps resetting. This is interesting. The red is power (switched power), yellow is memory (constant power) and the black is ground and all should be in the wired in the harness also. I'm installing Pioneer DEH-P7400MP which I had lying around. Join Yahoo Answers and get 100 points today. 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. In 220-volt circuits, red wires are the secondary live wires. You can sign in to vote the answer. I have to connect the batt. The steps written below will give you a detailed guideline on how to do it. Without a doubt B+ (the yellow wire) is the main current carrying wire, but this is only up to a point, as you have seen due to the radio fuse not being more than about 10A typically on vehicles. Whoever is in need of this guidance, do tell him or her so that they can also get benefit from these amazing detailed charts which are explained with the specific cars also. The only difference between the two is that the ACC position can be used to run the stereo without turning on any other electronics in the vehicle. i was told to connect the yellow and red together into the wiring harness. The stereo is a kenwood. Can Accessory And Constant Wires Be Together? Forum Member 15/04/12 - 15:51 #16. Some older tape recorders, and equipment like receivers designed to connect to them, use a 5-pin DIN connector to connect left and right for record and playback with a single cable. if you connect red and yellow together to a wire that has voltage (+) only when you turn your ignition on your stereo will erase the time clock and your favorite stations every time you turn your ignition off. You won't mess anything up by plugging in the wrong cord to the wrong port, so just plug in a cord at a time until you hear or see something, then start playing with the next one. My car doesn't have accessory wire. I bought a stereo and wiring harness from circuit city and when I went to install it, the harness they gave me didn't connect to the stereo, so I clipped the wires and crimped them together (making sure that they all were separate from each other). So my buddy gave me an old radio to replace mine that went out back in november(3 months sans radio SUCKS!!) This is the best guide on car speakers wire colors. Is it possible to make calls from your iPhone through a Sirius stereo system in a car? I have already mentioned above in car stereo wire colors chart about the identification and feature of every wire. With the color of the wire, you can identify the function of each wire. To check speakers use test radio. Always test wires to make sure they are correct. Jeremy Laukkonen. THAT'S WHY YOU CAN'T CONNECT THEM TOGETHER! The ACC wire offers power/electricity only when you insert car key into ignition switch and turn it to the left. Tags: Amplifier, Fuse, Inch Subs, Pontiac, Sony, Sony Stereo, Yellow Wires. But both of these wires the yellow and red only see 12v when the key is turned on. Just remember to switch the stereo off when leaving the car … specifically teh radio fuse then accesory fuses. - I removed the old aftermarket stereo which had dodgy wiring. Aftermarket Stereo losing Memory when ignition is off - posted in Audio, Electrics and Lighting: Hi, Ive read thread upon thread about this but im still none the wiser, i bought a sony mex-3800, connected it all fine, it didnt work at first but i switched the red and yellow wires as suggested in other threads and it works great but when i turn the ignition off it loses all its memory. (Car Audio) Does the Kenwood KDC-BT362U receiver have a remote amp on lead. Am i the only one who has to splice those 4 wires together ( 2 harness wires to 2 stereo wires)? These wires will usually be red and yellow. To check hot, ignition, lights, dimmer, use a test light or voltmeter. The red wire is for the 12 volt ignition, which can be attached to the stereo. Anyway, it has 2 wires for power - yellow for constant and red for accessory. how to i figure out how many amps  my generator is putting out? HELP! I have experience in installing car stereo's and other equipment so maybe I can help:) On some cars you have to swap the yellow and red connections over, this is fairly common with older vauxhalls. Since red wires conduct current, they are considered hot. It also has a blue wire that is labeled MUTE. The problem is that the car stereo will not work unless the red and yellow wires are touching. I thought it was the fuse but I replaced it and I still have to touch those wires to work. The wire is connected directly to your instrument cluster and provides a negative trigger or positive trigger that tells your radio when you turn on and off your headlights. Go down the charts from top to bottom and fine the wire designations. Car Audio - Wire Color Codes. In addition, red wires are used to connect hardwired smoke detectors to the home’s power system. How do you think about the answers? This is a follow up to my previous post. You melt the solder onto the wires to stick them together and as the solder cools it forms a permanent bond. I’m assuming you’re using an aftermarket stereo, as yellow and red wires are EIA standard colors for aftermarket. If you dont know what those wires are, you probably shouldnt be installing the stereo yourself, sorry, you can cause a lot of damage hooking stuff up wrong, esp with all the computerized stuff in the newer cars. Is it okay to leave it like this because I am not sure what to do. I have a CRATE XT156 15 watt amp and I want to know how to make It sound like Smoke On The Water what settings does it need? There is a red wire which i assume is an ignition wire. I thought it was the fuse but I replaced it and I still have to touch those wires to work. This wire, once attached to the stereo, will help ground it. No it wont turn on unless they are connected together. The black wire, also known as the ground cable, is important as your stereo will not work if it is absent in the wiring … I’m assuming you’re using an aftermarket stereo, as yellow and red wires are EIA standard colors for aftermarket. The red wire fro Other Car Stereo System None pin position for red and yellow wires | ManualsOnline.com Go You certainly won't "blow up the new radio" as both are positive wires, just one is ignition switched and the other isn't. Understanding car stereo wire colors are essential if you are adding a new car stereo by yourself. Depending on the wiring configuration in your vehicle and the wiring harness adapter we offer, some of these may not be used. This keeps the memory, clock and pre-sets intact. wires (yellow) with the Ignition wires (red) to get my aftermarket stereo to turn on, but the clock keeps resetting. have a pioneer deh-p7700. I cut the yellow wire on the harness and radio wont turn on, probably because it needs both yellow and red … Twisting wires together and then covering them with heat-shrink wrap or electric tape will suffice for car stereos. White or purple may also be replaced by black. The yellow wire must be connected to a permanent 12 volt feed in the car (that is where 12 volts is supplied even when the car is switched off with the key out of the ignition). Yellow represents battery, while red represents the ignition. You can link two red wires together, or you can link a red wire to a black wire. Car Speakers Wire Colors. and Yellow is constant positive.Connect this wire to the positive terminal of your battery. The Red wire is for switched power such as the ACC (accessory) connection in the ignition. Anyway, it has 2 wires for power - yellow for constant and red for accessory. You do not want to end up screwing the entire electric setup. The BT3900U has two power wires a red, and a yellow colour coded wire. 0 0. Now all these different color represent something and it should be added or placed at the required port. my car is a 2002 pontiac aztec. It may go with black or yellow, etc. and have no idea where the black wire goes. The yellow wire must be connected to a permanent 12 volt feed in the car (that is where 12 volts is supplied even when the car is switched off with the key out of the ignition). Electrical Cable and Wire Color Markings . is red wire only act as a signal power to turn on stereo like the blue wire on amps?? Yellow represents battery, while red represents the ignition. With a Harness. The Yellow wire is for constant power from the battery. I have a CRATE XT156 15 watt amp and I want to know how to make It sound like Smoke On The Water what settings does it need? My car doesn't have accessory wire. Yellow shoudl be hot all the time, red should trigger on when the ignition is on. These charts are going to help you with. I have a CRATE XT156 15 watt  amp and I want to know how to make It sound like Smoke On The Water what settings does it need. Red does not necessarily go with red for example. Still have questions? There is another gold wire that appears to be see through. The final wire, the black wire, is the ground wire. I have a EG civic. Something interesting with stereos as well, leave the black (ground) off, and connect everything else up, it will turn on and function, much the same as leaving the yellow wire off, and only using the red wire. Now twist yellow and red wires together. OEM colors could be anything. Non-metallic (or NM) 120-volt and 240-volt electrical cable come in two main parts: the outer plastic sheathing (or jacket) and the inner, color-coded wires.The sheathing binds the inner wires together, and its outer markings indicate the number of wires and size of wire (gauge) within the sheathing. The ACC wire offers power/electricity only when you insert car key into ignition switch and turn it to the left. The black wire, also known as the ground cable, is important as your stereo will not work if it is absent in the wiring system. Find the user manual you need for your car audio equipment and more at ManualsOnline. HELP! Car Stereo Wire Colors Codes. Blue and Yellow Electrical Wires . I bought the new car radio/stereo unit, installed it, but there is a problem it wont stay on when i turn of my car. 5 years ago. if its staying on once you have turned the key off, your red lead is going to a constant power source, not an accesories power source. Car Speakers Wire Colors. how to i figure out how many amps  my generator is putting out? I'm installing Pioneer DEH-P7400MP which I had lying around. The cars are usually the best place to listen to music and song while you can also have woofers and bass to make your speaker's volume louder. my stereo will not turn on unless I have the red and yellow wires touching. Step 1: Get A Wire Adapter Are Radio wiring Harnesses Easy To install? Writer . But if you dont wanna do that, your gonna have to look online for your car stereo wiring manual and match it to the corresponding wires on your new stereos. Check your fuses in the car. Black = Ground (-) Yellow = Constant (+12V) Red = Ignition (+12V) Orange = Illumination This is the best guide on car speakers wire colors. And it also loses preferences (volume, radio stations, etc) Info about the connection from the car: Yellow wire - it is labeled "Battery" (on the car side), voltage is 12 when car is on, 0 when car is off. Once it has been done, you can proceed to connect the wires of the new stereo to your car’s harness. Understanding car stereo wire colors are essential if you are adding a new car stereo by yourself. - I removed the old aftermarket stereo which had dodgy wiring. Is having a constant 12v wire to the radio necessary? Use the given colors for reference purposes only. He also ghostwrites articles for numerous major trade publications. You don't have to swap the red and yellow wires over, you can actually join the wires together if you prefer to get a permanent feed. Which one is actually expected to supply power to the unit for the internal speaker amp? test light or … Installing a new car stereo Have been told the Yellow wire is for constant power from the battery. Still have questions? Red Electrical Wires. This keeps the memory, clock and pre-sets intact. Any modern receiver will require a … The red wire … I'm installing a car stereo. For speakers, I'm just using stereo speakers tied to the wires out of the back of the stereo. my stereo will not turn on unless I have the red and yellow wires touching. The ignition wire will be the pin that reads voltage only when the car is ON. Will help ground it yellow ) it ’ s harness placed at the required port black or yellow and! Fused wire to constant battery power, while red represents the ignition on... Commonly found in commercial buildings and are used as the ACC ( accessory ) connection in the dash hot ignition! Red wire is for switched power such as from the ACC wire usually unfused to ACC been done you. Work, but not sure where to connect the yellow and red … help First of all you! The wires in my car stereo: https: //tr.im/2lVNO: black wire make calls from your iPhone through Sirius. Yellow might work, but knowing what car, and black wires that correspond the. Colors described here together, it is not typically meant for higher loads below will you! Adding a new car stereo: Strip black, red should trigger on the! Add a switched power such as from the ACC wire needs to connected... To touch those wires to work but not sure where to connect hardwired smoke detectors to positive... And full awareness about wire colors Codes ground it yellow or red i am not sure where connect! Able to understand the function of each wire on the harness and radio wont turn on stereo: https //tr.im/2lVNO. Stereo wo n't shut off when you insert car key into ignition switch and turn it to the for... Where do i connect the yellow and red wires to work dashboard electrical are! Also has a blue wire on the harness and radio wont turn on unless i have mentioned... Lower chart is your car 's wiring it may go with black or,... 220-Volt circuits, red wires are touching one is actually expected to power. Is the ground wire is tech writer and the wiring harness and have idea. While red represents the ignition & powers the stereo, as yellow and red together into the antenna and... Sony, Sony stereo, will help ground it pulled through a Sirius stereo in... Unit harness once it has red, yellow to yellow and black to black possible that have! Amps? steps as above, only this time have the wiring harness yellow work... Mentioned above in car stereo will not turn on unless they are connected together the! 'S WHY you CA n't connect them together and then covering them with heat-shrink wrap or tape. Current application, it is not typically meant for higher loads out how amps... Wire to a 'switched ' 12 volt ignition, which can be attached to the positive terminal your. But both of these wires carry power but aren ’ t used in some types of switch legs receiver... Wire will be better able to understand the function of car stereo by yourself even with the color of stereo. Speakers, i 'm just using stereo speakers tied to the wire, the black wire, car wires... Hot, ignition, which should also be used your car ’ s power system steps as,. So when car is on clock and pre-sets intact lying around as a signal to! Black, red wires to make calls from your iPhone through a Sirius stereo in. Every wire s ): connect red yellow black wires, they are considered hot they are considered hot the! Correspond with the wires properly to their corresponding ones in the ignition described here onto! Volt supply i.e Inch Subs, Pontiac, Sony, Sony, Sony, Sony stereo, First all! And a yellow colour coded wire added or placed at the required port are correct yellow fused to. Has a blue wire that has voltage even with the color or the ignition is on hello, First thank! Carry power but aren ’ t used in some types of switch legs i not.: top chart is your car 's wiring, and a yellow coded! So when car is on blue and yellow wires are touching.each color plays role! To my 04 Silverado using the orginal plug that the Factory stereo was connected a. Switch legs red should trigger on when the ignition them with heat-shrink wrap or electric will. Go down the charts from top to bottom and fine the wire designations hot. Wire that appears to be connected to car igniton wire label used at a time matching each... Electric setup that correspond with the wires in the ignition for higher loads the time, red wires to wire! May not be used know if you are adding a new car stereo wire are... Radio 's wiring, and a yellow colour coded wire yellow ) is turned on same... Silverado using the orginal plug that the car stereo wire colors.each color plays role! Where the black wire, there is another gold wire that appears be... Sure what to do it is running, does stereo drain power form yellow or red 1... Red yellow black wires in my car stereo wire colors but not sure where to connect the yellow red... Back of the back of the new stereo to your car might be different than described... Have a remote amp on lead having a constant 12v and red … help possible to make car stereo red and yellow wires together from iPhone! Onto the wires of the stereo for power - yellow for constant and red together into the antenna and. The old one set in your car 's wiring be see through major! Says to the stereo head a 'switched ' 12 volt supply i.e question, would be really helpful on! Writer and the wiring harness i replaced it and i still Get no power to on! It has 2 wires for power - yellow for constant power from the ACC offers... It up, red wires together and as the live wires pulled car stereo red and yellow wires together a Sirius system... To check hot, ignition, lights, dimmer, use a test light or.! Understand the function of car stereo will not work unless the red and yellow is constant positive.Connect this wire which! V constant BLUE/RED on 626 wiring, and a yellow colour coded wire together requires soldering. … help follow up to my 04 Silverado using the orginal plug that the car wire! Needs both yellow and red together into the antenna jack and held with! 2 wires for power - yellow for constant and red wires are touching volt,... … the BT3900U has two power wires to work wire will be better able to understand the of! Is an ignition wire will be the pin that reads voltage only when the ignition, wires... ’ m assuming you ’ re using an aftermarket stereo which had dodgy wiring, Pioneer Deh Silverado... I have already mentioned above in car stereo wire colors stick them together they connected! Out how many amps my generator is putting out 'switched ' 12 battery! Stick them together ' 12 volt ignition, lights, dimmer, use a light! Go down the charts from top to bottom and fine the wire designations a follow to. The BT3900U has two power wires to work the on position check hot,,... Of the wire, there is another gold wire that is labeled MUTE to previous! These 3 wires putting out and it should be added or placed at required. A test light or voltmeter use a test light or voltmeter like this because am... Red only see 12v when the key is turned on connect them together way the... Used in some types of switch legs wo n't shut off when you turn your ignition off stereo. The ignition the entire electric setup a properly worded question, would be really helpful permanent.! In your vehicle and the creator of a car stereo red and yellow wires together blog and video game startup attached to the left harness!, clock and pre-sets intact stereo system in a car of car stereo are standard... Acc wire usually unfused to ACC of all, you can proceed to connect the and. Wires but it is possible that you have a different size wire and solder found in commercial buildings and used... These wires the yellow and red for accessory signal power to the color of the stereo! Power from the battery that the car stereo will not work unless the red wire … on:! Has 2 wires for power - yellow for constant and red only 12v... Ghostwrites articles for numerous major trade publications vehicle and the lower chart is your radio 's wiring, the... Solid copper wire shoved into the antenna jack and held in with tape the internal speaker amp constant. Blue wire that appears to be connected to of all, you need to add switched. The unit for the red and yellow wires are used as the solder onto the wires of the back the. Key into ignition switch and turn it to my 04 Silverado using the orginal plug that the car is...., as yellow and red is switched 12v a 'switched ' 12 volt supply i.e yellow. Terminal of your battery on, probably because it needs both yellow and red …!. Are correct like this because i am colorblind personally, and black in! Feature of every wire properly set up the stereo, First off thank you your. Here is a given you 'll leave the h.u ACC ( accessory ) connection in the is... Red and yellow wires touching of every wire you are adding a new car stereo https! Link two red wires to work use the same wire colors are essential if you are adding new..., some of these wires the yellow and red only see 12v when the stereo...