GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Vehicle Speed Sensor


Object Number: 680639  Size: FS
Master Electrical Component List
Electronic Component Description
TCC SOL, TCC PWM SOL, 3-2 SS, 2-3 SS and 1-2 SS Valves
OBD II Symbol Description Notice
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
G104, G106, G107, G108 and G118
G104, G106, G107, G108 and G118
Figure 2:

TCC SOL, TCC PWM SOL, 3-2 SS, 2-3 SS and 1-2 SS Valves


Object Number: 680640  Size: FS
Master Electrical Component List
Electronic Component Description
TFT Sensor, TFP Manual Valve Position Switch and PC SOL Valve
Vehicle Speed Sensor
OBD II Symbol Description Notice
B+ Bus Bar
RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses
Automatic Transmission Valve Controls
Automatic Transmission Valve Controls
EBCM Power and Ground
CLSTR Fuse
Cruise Control Schematics
Figure 3:

TFT Sensor, TFP Manual Valve Position Switch and PC SOL Valve


Object Number: 680641  Size: FS
Master Electrical Component List
Electronic Component Description
TCC SOL, TCC PWM SOL, 3-2 SS, 2-3 SS and 1-2 SS Valves
OBD II Symbol Description Notice
Power, Ground, MIL and VCM