Suzuki OEM Head Unit Pinouts
Find the socket diagram and pin assignments for your original Suzuki radio. Select your vehicle and match the factory connector before wiring.
Check the original radio part number, connector keying and viewing direction. A harness plug and the matching radio socket can show mirrored terminal positions. Confirm the wiring for your vehicle and audio package.
Grand Vitara
Grand Vitara (1997–2005)
Match the terminal face and the original radio before using the assignments.
| Pin | Function |
|---|---|
| 1 | Antenna control |
| 2 | Accessory supply (ACC) |
| 3 | Steering remote ground |
| 4 | Steering remote signal |
| 5 | Telephone mute |
| 6 | Telephone audio + |
| 7 | Rear right speaker + |
| 8 | Rear left speaker + |
| 9 | Front right speaker + |
| 10 | Front left speaker + |
| 11 | Undocumented |
| 12 | Telephone audio − |
| 13 | Rear right speaker − |
| 14 | Rear left speaker − |
| 15 | Front right speaker − |
| 16 | Front left speaker − |
| 17 | Illumination + |
| 18 | Constant battery supply |
| 19 | Illumination − |
| 20 | Ground |
Grand Vitara (2005–2015)
Clarion PS-2654D-B reference, Suzuki part 39101-65J30. Match the part number and connector keying, particularly on 2005 vehicles.
| Pin | Function |
|---|---|
| A | Powered antenna |
| B | Accessory supply (ACC) |
| C | AUX enable |
| D | AUX left |
| E | Rear right speaker + |
| F | Rear left speaker + |
| G | Front right speaker + |
| H | Front left speaker + |
| I | Illumination − |
| J | Constant battery supply |
| K | Steering remote ground |
| L | Steering remote signal 1 |
| M | Audio signal ground |
| N | AUX right |
| O | Rear right speaker − |
| P | Rear left speaker − |
| Q | Front right speaker − |
| R | Front left speaker − |
| S | Illumination + |
| T | Ground |
Swift
Swift (2012)
The diagram shows the numbered harness plug. The table lists documented power and speaker pins.
| Pin | Function |
|---|---|
| 1 | Ground |
| 3 | Front left speaker − |
| 4 | Front right speaker − |
| 5 | Rear left speaker − |
| 6 | Rear right speaker − |
| 11 | Switched 12 V |
| 13 | Front left speaker + |
| 14 | Front right speaker + |
| 15 | Rear left speaker + |
| 16 | Rear right speaker + |
| 19 | Constant 12 V |
Forenza
Forenza (2004–2008)
ACK-1636JA, part 96 550 738 H3. The main radio and CD changer sockets use separate pin numbering.
| Pin | Function |
|---|---|
| 1 | Front right speaker + |
| 2 | Rear right speaker + |
| 3 | Illumination + |
| 4 | Accessory supply (ACC) |
| 5 | Constant battery supply |
| 6 | Phone mute |
| 7 | Rear left speaker + |
| 8 | Front left speaker + |
| 9 | Front right speaker − |
| 10 | Rear right speaker − |
| 11 | Illumination − |
| 12 | Powered antenna |
| 13 | Remote control ground |
| 14 | Ground |
| 15 | Rear remote control data |
| 16 | Front remote control data |
| 17 | Rear left speaker − |
| 18 | Front left speaker − |
| Pin | Function |
|---|---|
| 1 | Accessory power |
| 2 | Constant battery supply |
| 3 | Ground |
| 4 | Data |
| 5 | Ground |
| 6 | Right audio |
| 7 | Left audio |
| 8 | Signal ground |