GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Montana 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Shift Lock Control Schematics

Brake Transmission Shift Interlock (BTSI)


Object Number: 380505 Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 10: Ignition Switch, Transaxle Range Switch
Cell 11: IGN 1 Fuse
Cell 14: G100, G111 and G113