GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Power Moding Schematics
Figure 1:

Ignition Switch (-BTM)
Object Number: 2180115 Size: FS
Figure 2:

Ignition Switch (BTM)
Object Number: 2180116 Size: FS
Figure 3:

Logistic Mode Relay 1
Object Number: 2180117 Size: FS