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

Auto Trans Shift Lock Control


Object Number: 564292  Size: FS
Automatic Transmission Components
Automatic Transmission Shift Lock Control Circuit Description
Park Neutral Position Switch
Class 2 Serial Data Line
G202, 1 of 4
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Park Neutral Position Switch


Object Number: 564308  Size: FS
Automatic Transmission Components
Automatic Transmission Shift Lock Control Circuit Description
Auto Trans Shift Lock Control
G100, G101, G102, G103
G100, G101, G102, G103
Handling ESD Sensitive Parts Notice