GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Blazer - 4WD - RHD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 236 (Two Speed Automatic) 🢒 Transfer Case Control Schematics
Figure 1:

Cell 38: Power, TCCM, and Transfer Case Encoder Motor
Object Number: 371962 Size: FS
Figure 2:

Cell 38: Transfer Case Select Switch and TCCM
Object Number: 371965 Size: FS
Figure 3:

Cell 38: Speed Sensors
Object Number: 371967 Size: FS