GM Service Manual Online
For 1990-2009 cars only

Object Number: 1569953  Size: FS
Master Electrical Component List
Power Steering System Description and Operation
Control Module References
Underhood Fuse Block - RUN / CRANK Relay, I/P IGNITION, PRK / NEUT, BCK UP / HTD SEAT, ABS (10A), ECM TRANS, LTR, ABS (30A), EPS, BCM 2, BCM 3, and S-BAND ONSTAR Fuses
Body Control Module - RUN / CRANK and HVAC Relays, I/P IGN, BCM3, WPR, AIR BAG, EPS / STR WHL CNTRL and HVAC / IP IGNITION Fuses
Body Control Module - RUN / CRANK and HVAC Relays, I/P IGN, BCM3, WPR, AIR BAG, EPS / STR WHL CNTRL and HVAC / IP IGNITION Fuses
High Speed GMLAN
G109