Audio control module (to aerial)
Before taking any readings, see Checking the ground terminals .
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| C1 | #45 | Aerial signal, head aerial | Analogue signal | - |
| C2 | #46 | Power supply and aerial signal, sub aerial | Analogue signal | The aerial signal is retained over DC |