Scheme 9
The Getrag 760 transfer case consists of an aluminum housing, input shaft and gear, and a ring and pinion power transfer system.
The Getrag 760 transfer case transfers torque/power from the input shaft through the ring and pinion assembly to the rear differential via a 1-piece propeller shaft assembly.
The on-demand rear differential and torque tube assembly distributes variable torque/power to the rear wheels via individual axle shafts.
The Getrag 760 transfer case is a single speed unit. Torque transfer is electronically controlled, dependent on the demand of the rear differential.
The power take-off unit (PTU) uses synthetic hypoid gear lubricant, which is intended for lifetime service. Full fluid level is at the bottom of the fill plug hole when the vehicle is on a level surface.
Scheme 10
Scheme 11
Connector Part Information
OEM: 89047383
Service
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 (LBU)
| 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 CONTROL MODULE C1 FUNCTION TABLE
Scheme 12
Connector Part Information
OEM: 89047382
Service
Description: 5-Way F 0.64 (BK)
Terminal Part Information
Terminal/Tray: See DIAGNOSTICS INFORMATION AND PROCEDURE
Core/Insulation Crimp: See DIAGNOSTICS INFORMATION AND PROCEDURE
Release Tool/Test Probe: See DIAGNOSTICS INFORMATION AND PROCEDURE
| 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 |
REAR DIFFERENTIAL CLUTCH CONTROL MODULE C2 FUNCTION TABLE
Scheme 13
Scheme 14
Begin the system diagnosis by reviewing the TRANSFER CASE DISASSEMBLED VIEW , TRANSFER CASE DESCRIPTION AND OPERATION and REAR DRIVE AXLE DESCRIPTION AND OPERATION . Reviewing the description and operation information helps you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information also helps you determine if the condition described by the customer is normal operation. Refer to SYMPTOMS - TRANSFER CASE in order to identify the correct procedure for diagnosing the system and where the procedure is located.