| Connector 1: | Cellular Telephone Microphone | 
| Connector 2: | Vehicle Communication Interface Module (VCIM) C1 | 
| Connector 3: | Vehicle Communication Interface Module (VCIM) C2 | 
| Connector 4: | Vehicle Communication Interface Module (VCIM) C3 | 
Connector Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | WH  | 1489  | Cellular Microphone Low Reference  | 
B  | GY  | 655  | Cellular Microphone Signal  | 
Connector Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | BN/WH  | 2517  | Keypad Red LED Signal  | 
3  | YE/BK  | 2516  | Keypad Green LED Signal  | 
4-5  | --  | --  | Not Used  | 
6  | L-GN/BK  | 2515  | Keypad Supply Voltage  | 
7  | BK/WH  | 151  | Ground  | 
8-10  | --  | --  | Not Used  | 
11  | D-GN/WH  | 2514  | Keypad Signal  | 
12-15  | --  | --  | Not Used  | 
16  | RD/WH  | 1640  | Battery Positive Voltage  | 
Connector Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | PK/BK  | 2062  | Cellular Telephone Voice Signal  | 
2  | OG/BK  | 2061  | Cellular Telephone Voice Low Reference  | 
3-5  | --  | --  | Not Used  | 
6  | PU  | 1807  | Class 2 Serial Data  | 
7  | --  | --  | Not Used  | 
8  | GY  | 814  | Drain Wire  | 
9  | GY  | 655  | Cellular Microphone Signal  | 
10  | GY  | 1489  | Cellular Microphone Low Reference  | 
11-12  | --  | --  | Not Used  | 
Connector Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus (+)  | 
3  | TN  | 2501  | High Speed GMLAN Serial Data Bus (-)  | 
4-7  | --  | --  | Not Used  | 
8  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus (+)  | 
9  | TN  | 2501  | High Speed GMLAN Serial Data Bus (-)  | 
10-12  | --  | --  | Not Used  |