TrailBlazer 4WD L6-4.2L VIN S (2002)
INSTALLATION PROCEDURE
1. Index the slots on the BCM (1) to the rear electrical center.
2. Using a downward motion, install the BCM to the rear electrical center.
3. Connect the 24-way gray electrical connector (1) to the BCM.
4. Connect the 32-way tan electrical connector (2) to the BCM.