For 1990-2009 cars

Connector 1: | Rear Differential Clutch Contol Module C1
Connector 2: | Rear Differential Clutch Contol Module C2

### Rear Differential Clutch Contol Module C1

#### Connector Part Information

- OEM: 89047383
- Service: See Catalog
- Description: 10-Way F 0.64 Sealed (BK)

#### Terminal Part Information

- Terminal/Tray: 7116-4618-02/14
- Core/Insulation Crimp: P/P
- Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

#### Rear Differential Clutch Contol Module C1

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | BK | 850 | Ground
4 | -- | -- | Not Used
5 | L-BU | 5986 | Serial Data Communication Enable
6 | RD/WH | 1740 | Battery Positive Voltage
7 | -- | -- | Not Used
8 | TN | 2501 | High Speed GMLAN Serial Data Bus-
9 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+
10 | -- | -- | Not Used

### Rear Differential Clutch Contol Module C2

#### Connector Part Information

- OEM: 89047382
- Service: See Catalog
- Description: 5-Way F 0.64 (BK)

#### Terminal Part Information

- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Rear Differential Clutch Contol Module C2

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | YE | 9998 | Low Reference
3 | YE | 9996 | Low Reference
4 | YE | 9999 | AWD Temperature Sensor Signal
5 | YE | 9997 | AWD Coil Supply Voltage