GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Blazer - 4WD 🢒 Transmission/Transaxle 🢒 Manual Transmission - NV 3500 🢒 Manual Transmission Schematics
Figure 1:

Shift Indicator
Object Number: 788519 Size: FS
Master Electrical Component List
Transmission System Description and Operation
Vehicle Speed Sensor
Power and Ground
SP201 (4.3L)
SP201 (4.3L)
Inflatable Restraint Steering Wheel Module Coil and Front End Discriminating Sensors
Figure 2:

Vehicle Speed Sensor (VSS)
Object Number: 788136 Size: FS
Master Electrical Component List
Transmission System Description and Operation
Manual Transmission - NV3500
Manual Transmission Schematic Icons
G103 and G105 (4.3 L)
Manual Transmission Schematic Icons
Manual Transmission Schematic Icons
Speed Sensors
G104 and G117