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

Console Shift


Object Number: 1411587  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Column Shift
Rear Fuse Block Battery Voltage
Ignition Feeds to Underhood and Rear Fuse Blocks
Rear Fuse Block Battery Voltage
Rear Fuse Block Battery Voltage
IGN 3 Relay and IGN 3 RR Fuse
Ignition Feeds to Underhood and Rear Fuse Blocks
G301
Ignition Switch
Ignition Switch
Ignition Feeds to Underhood and Rear Fuse Blocks
Class 2 Serial Data (1 of 3)
Class 2 Serial Data (2 of 3)
IGN 3 Relay and IGN 3 RR Fuse
G201 - 2 of 3
G201 - 2 of 3
Figure 2:

Column Shift


Object Number: 1411588  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Reverse Lockout Control (D55)
Console Shift
RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, and TSIG/HAZ Fuses
Rear Fuse Block Battery Voltage
Rear Fuse Block Battery Voltage
Rear Fuse Block Battery Voltage
Ignition Switch
Ignition Feeds to Underhood and Rear Fuse Blocks
Ignition Switch
Class 2 Serial Data (1 of 3)
Class 2 Serial Data (2 of 3)
G200
G200
Figure 3:

Reverse Lockout Control (D55)


Object Number: 1411589  Size: FS
Master Electrical Component List
Reverse Lockout System Description and Operation
Column Shift
Ignition Feeds to Underhood and Rear Fuse Blocks
Ignition Feeds to Underhood and Rear Fuse Blocks
Rear Fuse Block Battery Voltage
G201 - 2 of 3
G201 - 2 of 3