GM Service Manual Online
For 1990-2009 cars only

Object Number: 1477801  Size: FS
Master Electrical Component List
Power Steering System Description and Operation (Electronic Power Steering)
Control Module References
Underhood Fuse Block DRL Relay, LO/BEAM Relay, HI/BEAM Relay, ABS, DRL, EPS, IBCM 1, IBCM 2, LT HI BEAM, LT LO BEAM, PCM, PWR WDO, CPE/CONV, RT HI BEAM, RT LOW BEAM, and TCM Fuses
Underhood Fuse Block RUN RLY, IBCM (RUN/CRANK), Body Control Module (BCM) AIRBAG (IGN) EPS and RUN/CRANK Fuses
Power, Ground, Serial Data, High Speed GMLAN
G103, G104 and G105