GM Service Manual Online
For 1990-2009 cars only

Theft Deterrent System


Object Number: 655969  Size: FS
Master Electrical Component List
Vehicle Theft Deterrent (VTD) Description and Operation
Gauges and Turn-B/U Fuses
IGN A Fuse and Ignition Switch
Lighting and Battery Fuses
IP Illumination Lamps and Indicator Lamps
L65 Vehicle Speed Sensor Circuit
L18 Vehicle Speed Sensor Circuit
G104 (L65)
Datalink Connector Schematic
G104 (L18)