GM Service Manual Online
For 1990-2009 cars only

Object Number: 790493  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
IGN SW-BATT2, WIPER, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
G203