Pioneer Car Stereo Wiring Diagrams & Color Codes

If you’re looking for wiring diagrams and color codes for Pioneer car stereos you’ve come to the right place. All the info we’re using is from manuals which can be found at Pioneer’s official site. Although most of the Pioneer car stereos are using the same wiring diagrams, we advise you to find the original manual specifically for your model so you can be sure you’re using the correct info.

In this article, we’re gonna explain wiring diagrams for certain car radios including double din Pioneer FH-X720BT, and single din Pioneer MVH-290BT.

Pioneer FH-X720BT (Double DIN)

14-pin wiring diagrams & color codes

The wiring when connecting a rear and front speaker.

Diagram when using a subwoofer with front speakers.

6. – 7. – Left front speaker: White (+), White/black (-)
8. – 9. – Right front speaker: Gray (+), Gray/black (-)
10. – 11. – Left rear speaker (left): Green (+), Green/black (-)
12. – 13. – Right rear speaker (right): Violet (+), Violet/black(-)
14. Black (chassis ground) – Connect to a clean, paint-free metal
location.
15. Yellow – Connect to the constant 12 V supply
terminal.
16. Red – Connect to the terminal controlled by the
ignition switch (12 V DC).
17. Blue/white – Connect to the system control terminal
of the power amp or auto-antenna relay
control terminal (max. 300 mA 12 V DC).
18. Subwoofer (4 Ω)
19. When using a subwoofer of 2 Ω,
be sure to connect the subwoofer to the
violet and violet/black leads of this unit.*Do not connect anything to the green
and green/black leads.
20. not used
21. Subwoofer (4 Ω) × 2
22. Orange/white – Connect to a car’s illumination wire.
23. Yellow/black (Only for FH-X520UI) – If you use equipment with a Mute function, wire this leads to the Audio Mute lead on that equipment. If not, keep the Audio Mute lead free of any connections.

When connecting to an amplifier.

1. System remote control
   Connect to blue/white cable.
2. Power amp (sold separately)
3. Connect with RCA cables (sold
   separately)
4. To rear output
5. Rear speaker
6. To front output
7. Front speaker
8. To subwoofer output
9. Subwoofer
10. To rear output or subwoofer output
11. Rear speaker or subwoofer

Connections

1. Power cord input
2. Microphone input
3. Microphone (4 m)
4. Rear output or subwoofer output
5. Front output
6. Antenna input
7. Fuse (10 A)
8. Wired remote input – Hard-wired remote control adapter can
   be connected (sold separately).

All info taken from Pioneer FH-X720BT manual.

Pioneer MVH-290BT (Single DIN)

16-pin Wiring diagrams & color codes

When connecting rear and front speakers.

Connecting a subwoofer without the additional amplifier.

6. – 7. – Left front speaker: White (+), White/black (-)
8. – 9. – Right front speaker: Gray (+), Gray/black (-)
10. – 11. – Left rear speaker (left): Green (+), Green/black (-)
12. – 13. – Right rear speaker (right): Violet (+), Violet/black(-)
14. Black (chassis ground) – Connect to a clean, paint-free metal
location.
15. Yellow – Connect to the constant 12 V supply
terminal.
16. Red – Connect to the terminal controlled by the
ignition switch (12 V DC).
17. Blue/white – Connect to the system control terminal
of the power amp or auto-antenna relay
control terminal (max. 300 mA 12 V DC).
18. Subwoofer (4 Ω)
19. When using a subwoofer of 2 Ω,
be sure to connect the subwoofer to the
violet and violet/black leads of this unit.*Do not connect anything to the green
and green/black leads.
20. not used
21. Subwoofer (4 Ω) × 2

When using the optional amplifier.

1. System remote control
2. Connect to blue/white cable.
3. Power amp (sold separately)
4. Connect with RCA cables (sold
   separately)
5. To rear output or subwoofer output
   Rear speaker or subwoofer

Connections

1. Rear output or subwoofer output
2. Antenna input
3. Power cord input
4. Fuse (10 A)
5. Microphone input
6. Microphone 3 m
   (9 ft. 10-1/8 in.)

   All info taken from Pioneer MVH-290BT manual.