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

Shiftlock Control with Cruise Control


Object Number: 883507  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Shiftlock Control without Cruise Control
TURN, WIP Fuses
HAZ, D/L, TAIL, STOP, DOME Fuses
TURN, WIP Fuses
HAZ, D/L, TAIL, STOP, DOME Fuses
Stoplamp Switch, Transmission Range Switch
Transmission Range Switch
G201
G201
Stoplamps Switch, Stoplamps
G105
Figure 2:

Shiftlock Control without Cruise Control


Object Number: 883508  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Shiftlock Control with Cruise Control
TURN, WIP Fuses
HAZ, D/L, TAIL, STOP, DOME Fuses
TURN, WIP Fuses
HAZ, D/L, TAIL, STOP, DOME Fuses
Stoplamp Switch, Transmission Range Switch
Transmission Range Switch
G201
G201
G400 and G401
Stoplamps Switch, Stoplamps