CONNECTOR ASSIGNMENTS, Amplifier -R12-, VOLKSWAGEN SOUND SYSTEM

2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION CONNECTOR ASSIGNMENTS, Amplifier -R12-, VOLKSWAGEN SOUND SYSTEM
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Amplifier -R12-
GWWM91-10013Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. 38-Pin Connector -T38-
Fig 2: Identifying Multi-Pin Connector, 38-Pin
GWWA91-11569Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Terminal 31
  2. Terminal 30
  3. Right Front Bass Speaker -R23- (-)
  4. Not Assigned
  5. Not Assigned
  6. Left Front Bass Speaker -R21- (-)
  7. Right Front Treble Speaker -R22- (-)
  8. Left Front Treble Speaker -R20- (+)
  9. Left Rear Speaker (+)
  10. Right Rear Speaker (-)
  11. Right Front Bass Speaker -R23- (-)
  12. Right Front Bass Speaker -R23- (+)
  13. Left Front Bass Speaker -R21- (+)
  14. Left Front Bass Speaker -R21- (-)
  15. Right Front Bass Speaker -R23- (+)
  16. Not Assigned
  17. Not Assigned
  18. Left Front Bass Speaker -R21- (+)
  19. Right Front Treble Speaker -R22- (+)
  20. Left Front Treble Speaker -R20- (-)
  21. Left Rear Speaker (-)
  22. Right Rear Speaker (+)
  23. Can Bus Low
  24. Not Assigned
  25. Not Assigned
  26. Not Assigned
  27. Left Rear Signal Input (-)
  28. Right Rear Signal Input (-)
  29. Left Front Signal Input (-)
  30. Right Front Signal Input (-)
  31. CAN Bus High
  32. Not Assigned
  33. Not Assigned
  34. Not Assigned
  35. Left Rear Signal Input (+)
  36. Right Rear Signal Input (+)
  37. Left Front Signal Input (+)
  38. Right Front Signal Input (+)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.