Whether your an expert installer or a novice enthusiast with a 1992 Volkswagen Jetta, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile electronics is identifying the correct wires for a 1992 Volkswagen Jetta.
The Modified Life staff has put their heads together to create an invaluable resource containing car stereo wiring diagram, car wiring diagram and radio wiring diagram. Feel free to use any 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. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 1992 Volkswagen Jetta.
Radio Constant 12V+ Wire: Red
Radio Switched 12V+ Wire: None
Radio Ground Wire: Brown
Radio Illumination Wire: Gray/Blue
Dimmer Wire: None
Antenna Trigger Wire: White
Front Speaker Size: 3 1/2″
Front Speaker Location: Dash
Left Front Speaker Wire (+): Blue
Left Front Speaker Wire (-): Brown/Blue
Right Front Speaker Wire (+): Red
Right Front Speaker Wire (-): Brown/White
Rear Speaker Size: 6 1/2″
Rear Speaker Location: Rear Deck
Left Rear Speaker Wire (+): Blue/Green
Left Rear Speaker Wire (-): Brown/Red
Right Rear Speaker Wire (+): Red/Green
Right Rear Speaker Wire (-): Brown/Black
 
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Hi,
I have a 1992 VW Jetta. Since I bought it the radio is on SAFe mode. I have the code from the dealer: 0400, but I do not know how/when to input it.
Thanks, Orin
Orin,
Here’s the information your requested about entering your unlock code. Hope this helps. Good luck.
Starting the Volkswagen Stock Radio Safe Mode Unlock Procedure:
Press the “AM/FM BAND SELECTOR” and the “SCAN BUTTON” together and hold them down until the display shows “SAFE” on the screen. If you did this correctly, the display will show “1000″ and disappear. After the “1000″ display goes out, use the station preset buttons to enter the factory code.
Entering Your Radio Unlock Code:
Station preset 1 is used to enter the first digit of your unlock code.
Station preset 2 is used to enter the second digit of your unlock code.
Station preset 3 is used to enter the third digit of your unlock code.
Station preset 4 is used to enter the fourth digit of your unlock code.
If your unlock code is 1111, press station preset 1 button once to show a “1″ on the display. Then press station preset 2 button 1 time to show a “1″ on the display. Then press station preset 3 button 1 time to show a “1″ on the display. Lastly, press station preset 4 button 1 time to show a “1″ on the display.
Each time you press a station preset button, the number on the radio display will go up by 1. For example, if you press the station preset 1 button 4 times, a 4 will be displayed in the 1st position on the display. If you press the station preset 2 button 3 times, a 3 will be displayed in the 2nd position on the display.
Finalizing the Radio Code Unlock:
Press the “AM/FM BAND SELECTOR” and the “SCAN BUTTON” together and hold them down until the word “Code” is displayed. Your radio should be unlocked now.