| Pin Num |
Pin | Signal |
|---|---|---|
| 2 | L– IN |
Left channel negative input |
| 3 | L+ IN |
Left channel positive input |
| 4 | R– IN |
Right channel negative input |
| 5 | R+ IN |
Right channel positive input |
| 6 | S-GND |
Shield ground |
| 10 | EQ SEL |
Equalizer select |
| 11 | SPEED |
Vehicle speed pulse |
| 12 | ACC |
ACC power supply |
| 22 | II1– |
Interrupt information negative |
| 23 | II1+ |
Interrupt information positive |
W/C stands for Wire Color. It is for WRX 2017 and is very dependent on model and model year.
| Pin Num |
W/C | Signal |
|---|---|---|
| 1 | +B |
Battery power supply |
| 2 | REAR L+ |
Left side rear door speaker positive |
| 3 | FRONT R+ | Right side front door speaker positive |
| 4 | FRONT L- | Left side front door speaker negative |
| 5 | +B |
Battery power supply |
| 6 | REAR L- | Left side rear door speaker negative |
| 7 | REAR R- | Right side rear door speaker negative |
| 8 | REAR R+ | Right side rear door speaker positive |
| 9 | FRONT R- | Right side front door speaker negative |
| 10 | LEFT L+ | Left side front door speaker positive |
W/C stands for Wire Color. It is for WRX 2017 and is very dependent on model and model year.
| Pin Num |
W/C | Signal |
|---|---|---|
| 1 | IN-PANE R– |
Instrument panel right side speaker negative |
| 2 | IN-PANE R+ |
Instrument panel right side speaker positive |
| 3 | IN-PANE L– |
Instrument panel left side speaker negative |
| 4 | SUB WOOFER 1+ |
Sub woofer 1 positive |
| 5 | SUB WOOFER 2+ |
Sub woofer 2 positive |
| 6 | GND | Ground |
| 7 | GND2 | Ground |
| 9 | IN-PANE L+ |
Instrument panel left side speaker positive |
| 10 | SUB WOOFER 1– |
Sub woofer 1 negative |
| 12 | SUB WOOFER 2– |
Sub woofer 2 negative |
W/C stands for Wire Color. It is for WRX 2017 and is very dependent on model and model year.







