GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Riviera 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Shift Lock Control Schematics
Figure 1:

Cell 138: Buick
Object Number: 341839 Size: FS
Lighting Systems Components
Lighting System Description
Cell 138: Oldsmobile
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Headlights Schematics Buick
Keyless Entry Schematics
Memory Seats Schematics Buick
Figure 2:

Cell 138: Oldsmobile
Object Number: 341843 Size: FS
Lighting Systems Components
Lighting System Description
Cell 138: Buick
Power Distribution Schematics
Ground Distribution Schematics
Headlights Schematics Oldsmobile
Keyless Entry Schematics
Memory Seats Schematics Buick