WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Axle Terminal Identification - Rear
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
GM Part Number
2
Getrag Part Number
3
Serial Number
The rear axle ID tag is located on the RH rear of the differential.