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

Radio - LHD


Object Number: 1257297  Size: FS
Master Electrical Component List
Underhood Fuse Block - ABS - RH TAIL LAMP, LH TAIL LAMP and HORN Fuses
Underhood Fuse Block (0.8L) - IP FUSEBOX Fuse, IGNITION SWITCH, IP FUSE BLOCK (0.8L) - STOP LAMPS, ROOM LAMP, HAZARD LAMP and CENTRAL DOOR LOCK Fuses
Underhood Fuse Block (0.8L) - IP FUSEBOX Fuse, IGNITION SWITCH, IP FUSE BLOCK (0.8L) - STOP LAMPS, ROOM LAMP, HAZARD LAMP and CENTRAL DOOR LOCK Fuses
Instrument Panel Fuse Block - ECM and TCM Fuses, Underhood Fuse Block - AUDIO, CIGAR LIGHTER, CLUSTER, AIRBAG, POWER WINDOW and TURN SIGNAL Fuses
Interior Lamps (w/ Dimming Controls)
Interior Lamps (w/ Dimming Controls)
Figure 2:

Radio - RHD


Object Number: 1257298  Size: FS
Master Electrical Component List
Underhood Fuse Block - ABS - RH TAIL LAMP, LH TAIL LAMP and HORN Fuses
Underhood Fuse Block (0.8L) - IP FUSEBOX Fuse, IGNITION SWITCH, IP FUSE BLOCK (0.8L) - STOP LAMPS, ROOM LAMP, HAZARD LAMP and CENTRAL DOOR LOCK Fuses
Underhood Fuse Block (0.8L) - IP FUSEBOX Fuse, IGNITION SWITCH, IP FUSE BLOCK (0.8L) - STOP LAMPS, ROOM LAMP, HAZARD LAMP and CENTRAL DOOR LOCK Fuses
Instrument Panel Fuse Block - ECM and TCM Fuses, Underhood Fuse Block - AUDIO, CIGAR LIGHTER, CLUSTER, AIRBAG, POWER WINDOW and TURN SIGNAL Fuses
Interior Lamps (w/ Dimming Controls)