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

w/Console Shift


Object Number: 800174  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
w/Column Shift
G301
IGN 3 Fuses
G201 2 of 3
G201 2 of 3
Class 2 Serial Data (1 of 3)
Class 2 Serial Data (1 of 3)
Ignition Switch
Ignition Feeds to Underhood and Rear Fuse Blocks
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Ignition Feeds to Underhood and Rear Fuse Blocks
Rear Fuse Block Battery Voltage
IGN 3 Fuses
IGN 3 Fuses
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Figure 2:

w/Column Shift


Object Number: 800176  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Reverse Lockout Actuator Control
w/Console Shift
G201 2 of 3
G201 2 of 3
Class 2 Serial Data (1 of 3)
Class 2 Serial Data (1 of 3)
Class 2 Serial Data (1 of 3)
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Class 2 Serial Data (3 of 3)
Class 2 Serial Data (3 of 3)
Rear Fuse Block Battery Voltage
Figure 3:

Reverse Lockout Control (w/D55)


Object Number: 800177  Size: FS
Master Electrical Component List
Reverse Lockout System Description and Operation
w/Column Shift
G201 2 of 3
G201 2 of 3
Ignition Feeds to Underhood and Rear Fuse Blocks
Ignition Feeds to Underhood and Rear Fuse Blocks
Ignition Feeds to Underhood and Rear Fuse Blocks