GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Data Link Connector Schematics
Figure 1:

Cell 50
Object Number: 369562 Size: FS
Figure 2:

Cell 50
Object Number: 369569 Size: FS