Circuit/System Description
| Circuit | Description |
|---|---|
| B+ | Circuit is supplied with B+ via F30DA Fuse. |
| Signal circuit terminal 3 | Circuit is temporarily supplied with Battery Voltage to command state of device |
| Signal circuit terminal 4 | Circuit is pulsed with Battery Voltage to control device direction |
| Signal circuit terminal 9 | Signal Circuit to monitor status of device |
| Signal circuit terminal 7 | Signal circuit to notify device is in full up position |
| Signal circuit terminal 8 | Signal circuit to notify device is in full down position |
| Ground | Chassis Ground |
| Component | Description |
|---|---|
| T3 Audio Amplifier | The module controls the diagnostic and functional properties of the Center Speaker. |
| P19B Speaker - Center Instrument Panel | Component position will be raised and lowered when commanded by the amplifier. |
When the amplifier is commanded on, a signal is sent to the speaker motor to wake up. Battery voltage is then pulsed for 5 seconds from the amplifier to the speaker motor. Once the speakers reach the desired position, battery voltage Is passed through one of the dedicated position lines.