PRE-RELEASE
Microphone, mobile phone (634)
| Microphone, mobile phone (634) |
| Location |
Microphone, mobile phone (634)
| Main task |
The microphone converts speech into electrical impulses that are sent to the Tel 2 or 3 communication unit or Tel 1 phone unit, depending on the level of phone equipment.
| Type |
Microphone with amplifier.
| Connection |
The microphone is supplied with power on pin 1 and sends an amplified signal on the same pin. Ground is provided on pin 3.
Wiring diagram, UHP/TEL1
Wiring diagram, BTN/UHP
Wiring diagram, OnStar
