2002 Volkswagen Jetta Car Radio Wiring Schematic for Monsoon Audio

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Whether your an expert Volkswagen Jetta mobile electronics installer, Volkswagen Jetta fanatic, or a novice Volkswagen Jetta enthusiast with a 2002 Volkswagen Jetta, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2002 Volkswagen Jetta vehicles are becoming increasing more difficult to identify due to the installation of more advanced factory oem electronics.

One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your 2002 Volkswagen Jetta headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its Volkswagen Jetta car radio wiring diagrams, Volkswagen Jetta car audio wiring diagrams, Volkswagen Jetta car stereo wiring diagrams, Volkswagen Jetta car radio wiring schematics, Volkswagen Jetta car wiring diagrams and cataloged them online for use by our visitors for free. Our automotive wiring diagrams allow you to enjoy your new mobile electronics rather than spend countless hours trying to figure out which wires goes to which 2002 Volkswagen Jetta part or component.

Feel free to use any Volkswagen Jetta car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the car audio wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the Volkswagen Jetta wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2002 Volkswagen Jetta.

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2002 Volkswagen Jetta Car Radio Wiring Guide for Monsoon Audio

Car Radio Battery Constant 12v+ Wire: Plug #3, Pin #7
Car Radio Accessory Switched 12v+ Wire: Plug #3, Pin #4
Car Radio Ground Wire: Plug #3, Pin #8
Car Radio Illumination Wire: Plug #3, Pin #6
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Plug #2, Pin #5
Left Front Speaker Negative Wire (-): Plug #2, Pin #6
Right Front Speaker Positive Wire (+): Plug #2, Pin #3
Right Front Speaker Negative Wire (-): Plug #2, Pin #4
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Plug #2, Pin #7
Left Rear Speaker Negative Wire (-): Plug #2, Pin #8
Right Rear Speaker Positive Wire (+): Plug #2, Pin #1
Right Rear Speaker Negative Wire (-): Plug #2, Pin #2

Signal for Anti-Theft Alarm System Wire: Plug #3, Pin #1
Data Link Connector (DLC) K-Wire: Plug #3, Pin #3
Battery Supply Constant 12v+ Wire for Anti-Theft System (SAFE): Plug #3, Pin #5

CD Changer Data In Wire: Plug #1, Pin #13
CD Changer Data Out Wire: Plug #1, Pin #14
CD Changer Clock Wire: Plug #1, Pin #15
CD Changer Constant Battery 12v+ Wire: Plug #1, Pin #16
CD Changer Control Signal Wire: Plug #1, Pin #17
CD Changer Ground Wire: Plug #1, Pin #18
CD Changer Left Line Out Wire: Plug #1, Pin #19
CD Changer Right Line Out Wire: Plug #1, Pin #20

This wiring diagram applies to the “Premium V” Monsoon Audio System.

2002 Volkswagen Jetta Car Stereo Wiring Diagram

27 thoughts on “2002 Volkswagen Jetta Car Radio Wiring Schematic for Monsoon Audio”

  1. I just removed a double din tv on my 2002 volkswagen GTI to put the stock monsoon one back in….I took out the harness and it all but for some reason I have the red ignition wire still hanging and don’t know where to connect it to? it still works but it turns on when the car is off and the car locks but doesn’t beep when set the alarm?

  2. ModifiedLife

    Braden, no you cannot hook up your subwoofer directly to the head unit. You will need some aftermarket electronics to hook up a subwoofer to your 2002 Volkswagen Jetta factory stereo. You will need five components:

    1. Car Subwoofer
    2. Car Subwoofer Box to house your car subwoofer.
    3. Car Audio Amplifier that matches your subwoofer power needs and ohm rating.
    4. Car Amplifier Wiring Kit that can handle the power needs of your amplifier.
    5. RCA Line Out Converter to feed an audio signal from your factory radio to your aftermarket amplifier.

    First run all your amplifier power from your car battery to where you plan on mounting your amplifier. Next, run your ground wire from your grounding point to your amplifier. Wire up the RCA Line Out Converter to the rear speaker wires to get a full range audio source. Next, connect one end of your RCA jacks to the Line Out Converter and the other end of the RCA jacks to your amplifier. This will provide an audio signal to your after market amp. Lastly, connect your subwoofer to your after market amplifier using the speaker wire in the amplifier wiring kit. If you’ve never installed car audio before, we advise you to take your car to an experienced mobile audio installer. Hope this helps. Good luck with your 2002 Volkswagen Jetta amplifier and subwoofer installation.

  3. As I browsed through some more forums. I think that I have found out that it is a stock amplifier for the speakers in my doors? Correct me if that is wrong, just thought it was kind of weird. Now onto my real question. As stated I have the Cd/Cassette monsoon stereo. I would like to know, if I got my tool to pull out the head unit, can I hook up a sub directly through the head unit, or do I need some sort of bypass or something? I know many stock stereos cannot support the hook ups for the subs and amps, but I wasnt sure with the Monsoon stereo. If I do need some sort of extra tools and hook ups, could you possibly send me to what I need?

  4. I have a 2002 Jetta with the CD/Cassette monsoon stereo. I am looking to hook up at Sony Xplod 1200W Sub, and I’m waiting for the money to get an amp. I have all the wires and everything to hook up. As I was placing the Sub in my trunk to position it, Up and to the right of my trunk is a metal black box attached to the trunk roof (not the lid, the actual trunk space) and I can’t see what is inside of this metal box. It looks like an amplifier, but I cant get a good look into it. Any suggestions on what it is? It seems like it came stock with the car, but I checked the book and found nothing. I can see to the very right of the box a set of wires going into the box, but still can’t tell what it could be.

  5. John, first double check ALL your fuses and make sure ALL your fuses are good. You can do this by using an Automotive Fuse Tester and making sure all of your fuses are not blown. If all of your fuses are good, your 2002 Volkswagen Jetta factory amplifier may be faulty or not turning on. Take a look at your car stereo amplifier and make sure the wires were not tampered with. If everything looks factory, we suggest you take your car to an experienced audio installer and have them troubleshoot your problem. Hope this helps. Good luck with your 2002 Volkswagen Jetta radio troubleshooting.

  6. I jave a 2001 Volkswagen Jetta and I just purchased a new OEM single din/W cassette. Currently I have a Blaupunkt aftermarket HU and it works fin, just want to switch to the oem. Anyway, I hook up the oem unit and unlock it everything looks fine, scrolls through stations and stops at ones it should find but I got no sound. I checked all the connections and everything is connected. Is there a fuse I should be checking? Would the lack of sound be a result of the amp not turning on? How can I check this. Also, I want to add that I think it is the amp somehow since the aftermarket HU doesn’t use the amp. Thanks for your help?

  7. Dylan, run a primary wire to the steering column and use the black/red wire in the ignition switch harness for a switch power source. Hope this helps. Good luck with your 2002 Volkswagen Jetta stereo installation.

  8. I am hooking up a remote wire to my stock wiring harness to turn on my amp. I can not find the correct wire to hook my remote up? I need to know what color the wire because every wire i have tried makes my amp stay on all the time. I need a wire that has power while the cd player is on and does not have power when the car is off. Any help please???

  9. i have a 2002 vw jetta tdi, it has the double din monsoon radio the cd player and tape player work but when i change it to am or fm all i hear is static on every channel, do you know why this is so also my car will not pass emissions because the computer won’t communicate with any reader. The gentleman told me that usually it is the radio that causes this?

  10. I have the same problem as Rachel. ive been pulling hair out of my head trying to research this question because no one has gave all of the details on how to connect a cheap harness to the monsoon amp in my 2002 jetta 1.8t. ive heard so many forms that explain how you buy a harness and you only have to tap into the ignition wire for the remote wire. this seams easy to do but some say there is wiring harnesses that make you have to have 4 left over wires that have god only knows where to put them. im confused because i can easily tap into wires i just need to know where and for what harness needs what kind of mod because i beleive each one of those are different. HELP PLease!!

  11. So I got an 2002 Jetta with a 2din Monsoon radio with a factory amp and we are trying to replace the head unit. So far we have a $20 wiring hardness from best buy but when we plug it in it is on constantly. Key or no Key. Some installers are saying there is another hardness a xsvi-9003 but they cant tell me what system it is needed for. This is what the sites say about it. “Allows installation of an aftermarket radio using the existing factory wiring and connectors The XSVI series interface is an inexpensive solution that provides +12-volt accessory power output for select vehicles that data control signals instead of conventional power signals. If the vehicle is equipped with retained accessory power features, the XSVI will keep those features.” So there is several options and one is not working right, but the other is a lot more money.. but some forums say it does not work right either. Can you tell me which harness is needed for my car so my aftermarket stereo will work?

  12. CG, first double check ALL your fuses and make sure ALL your fuses are good. You can do this by using an Automotive Fuse Tester and making sure all of your fuses are not blown. If all of your fuses are good, your 2002 Volkswagen Jetta stereo or factory amplifier may be faulty. We suggest you take your car to an experienced audio installer and have them troubleshoot your problem. Hope this helps. Good luck with your 2002 Volkswagen Jetta radio troubleshooting.

  13. I have a 2002 model Jetta with the factory Monsoon stereo. For a few months the radio goes in and out with occasional repetitive thud sound (the sound you would hear when a microphone drops). Anyway, I was wondering if you’ve heard of this before and if the problem could be fixed easily or if a new system is required.

  14. I Changed My battery,and now my Radio doesn’t work I mean it works but no sound,no volume and I can’t change stations at all also I don’t get to see the “Safe Mode”. I’d like to know which buttons. Do I push to get the 1000 so I can put the code in. My Stereo is a Monsoon on a 2005 Volkswagen Jetta. Thanks

  15. well- as far as my original question- idiscovered there’s a 25amp fuse that is NOT marked or listed anywhere as being radio control- found that and fixed the problem

  16. Mark, the reason your amplifier is still on is probably because the amplifer remote turn-on wire is not hooked up correctly. The remote turn-on wire tells the amp when to turn on and when to turn off. Double check your amp trigger wire connection. Hope this helps. Good luck with your amplifier installation.

  17. I just hooked up my sub+amp to my stock radio i have a 2002 Vw jetta GLS with the monsoon cd/tape now i ran the power from the + side of the battery to a Fuse then from the fuse to the amp now when i shut off my car the amp is still on it has constant power how do i fix this???

  18. Cameron, you would require Volkswagen Radio Removal Tools (pictured below) to remove your factory radio. If you look closely at your radio, there are small slits at each corner of your radio (pictured below). These tools are slipped into those slits to release the radio. The radio then slides right out. Hope this helps. Good luck.

    Volkswagen Radio Removal Tool

    Volkswagen Premium 5 Radio

  19. Kamal, most late model double din radios are pretty close to the same size as the factory unit. You should be able to fit almost any double din stereo in your factory space. Hope this helps. Good luck.

  20. I have 2002 jetta with double din monsoon radio. i wanna change it to a after market radio, but i want a double din that looks factory. What size radio should get? Any help would be appreciated

  21. NickGLI, its sounds like your radio may be in safe mode or anti-theft mode. You will need a unlock code to get your radio working again. Radio security codes are usually written in your car manual or given to you when you purchase the vehicle. If you do not have the radio security code, you would have to obtain it from the local Volkswagen dealer. Hope this helps. Good luck.

  22. its a 2002 Jetta gli with a double din monsoon oem radio… cassette and cd player. Basically. the radio turns on. When i engage the alarm the red light blinks on the radio. THe volume knob shows the volume goes up and down but no sound comes out, put in a CD it shows the song is going but no sound comes out. None of the buttons respond except for the power and volume. I tried pulling out the plug, even pulling the radio and unplugging. still does the same thing… Any solutions???

  23. Ashlyn, most installers will run the power cable from the battery, through the firewall, under the carpet (near the door sill) and to your amplifier location for hook up. Installers usually run the power wire through a rubber grommet or drill a new hole. Just make sure you zip tie the cable down so it does not move. Also, make sure when you run the cable through the firewall that you use a rubber grommet to protect the power cable from rubbing on any bare metal. Hope this helps. Good luck.

  24. my cd player and radio just stopped working one day. the screen still lights up and the speakers are still working because i can hear the beep when the volume is turned all the way down. what could the problem be?

  25. The Monsoon radio in my 2002 Jetta just suddenly stopped working. This is the third or fourth time this has happened. I know it is a fairly easy fix but can’t recall exactly what the dealer did to reset the unit. Any ideas?

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