Sierra Classic 2500 4WD V8-6.0L (2007)
1. Place the steering column shift lever back into the park (P) position.
2. Raise the vehicle.
3. Ensure that the transmission manual shaft lever is in the park (P) position.
4. Pull the white cover (1) back to expose the natural colored lock (2). Under the lock (2), insert a flat-bladed screwdriver under the lock ramp
located at the top of the lock. The lock will pop up, and the transmission end will move slightly away from the shifter end.
5. Push the end of the transmission end (3) inside the shifter end (1) until the blue spring (2) on the transmission end (3) is fully compressed, this will
engage the inner wire and lock both wires together.
