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

Power and Ground


Object Number: 544073  Size: FS
Body Control Module Components
Body Control System Circuit Description
VCM and Data Link Connector (DLC)
ILLUM and PARK LP Fuses
B+ Bus Bar
Ign START, RUN and ACC Bus Bar
Ign RUN and START Bus Bar
ILLUM and PARK LP Fuses
Power and Grounding Connector End Views
Power
RDO IGN, FRT WPR, RR WIPER, ABS, CRUISE, and W/W PUMP Fuses
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
G200 and G201
G203 and G205
Figure 2:

VCM and Data Link Connector (DLC)


Object Number: 544087  Size: FS
Body Control Module Components
Body Control System Circuit Description
Headlamp Power and Flash-to-Pass Relays
Power and Ground
VCM Connector End Views
Handling ESD Sensitive Parts Notice
S201
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 3:

Headlamp Power and Flash-to-Pass Relays


Object Number: 544092  Size: FS
Body Control Module Components
Body Control System Circuit Description
Instrument Cluster, LT TURN and RT TURN Fuses
VCM and Data Link Connector (DLC)
Power and Grounding Connector End Views
MIR/LKS, LH HDLP and RH HDLP Fuses
G102
G117
Body Control System Connector End Views
Power, Headlamp Switch, and Multifunction Switch
Power, Flash To Pass, and BCM
Handling ESD Sensitive Parts Notice
Figure 4:

Instrument Cluster, LT TURN and RT TURN Fuses


Object Number: 544095  Size: FS
Body Control Module Components
Body Control System Circuit Description
Rear Jamb Switches, Door Handle Switch and Ignition Key Alarm Switch
Headlamp Power and Flash-to-Pass Relays
Hazard Switch, TURN, and HAZ LP Fuses
SP203
Turn Signal Switch, RH TURN, RH REAR TURN, and TRL TURN Fuses
Handling ESD Sensitive Parts Notice
Power and Grounding Connector End Views
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Figure 5:

Rear Jamb Switches, Door Handle Switch and Ignition Key Alarm Switch


Object Number: 544098  Size: FS
Body Control Module Components
Body Control System Circuit Description
Front Jamb Switch and Door Handle Switches
Instrument Cluster, LT TURN and RT TURN Fuses
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
G450
G200 and G201
G200 and G201
G203 and G205
Figure 6:

Front Jamb Switch and Door Handle Switches


Object Number: 544101  Size: FS
Body Control Module Components
Body Control System Circuit Description
PCM/VCM, Ambient Light Sensor and Seat Belt Switch
Rear Jamb Switches, Door Handle Switch and Ignition Key Alarm Switch
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Cigar Lighter/Auxiliary Outlets Schematics
SP203
G200 and G201
G202 and G204
G200 and G201
Figure 7:

PCM/VCM, Ambient Light Sensor and Seat Belt Switch


Object Number: 544106  Size: FS
Body Control Module Components
Body Control System Circuit Description
Passlock ™ Sensor, Liftglass Relay and RAP Relay
Front Jamb Switch and Door Handle Switches
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
G450
Driver Information Systems Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Figure 8:

Passlockā„¢ Sensor, Liftglass Relay and RAP Relay


Object Number: 544107  Size: FS
Body Control Module Components
Body Control System Circuit Description
Horns
PCM/VCM, Ambient Light Sensor and Seat Belt Switch
B+ Bus Bar
Power and Grounding Connector End Views
Ign START, RUN and ACC Bus Bar
Ign START, RUN and ACC Bus Bar
MIR/LKS, LH HDLP and RH HDLP Fuses
Body Control System Connector End Views
Ign START, RUN and ACC Bus Bar
Handling ESD Sensitive Parts Notice
G200 and G201
Figure 9:

Horns


Object Number: 544108  Size: FS
Body Control Module Components
Body Control System Circuit Description
Interior Lamps
Passlock ™ Sensor, Liftglass Relay and RAP Relay
HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses
Power and Grounding Connector End Views
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
G111 and G112
G111 and G112
Headlamp Washer System Schematics
Headlamp Washer System Schematics
Figure 10:

Interior Lamps


Object Number: 544109  Size: FS
Body Control Module Components
Body Control System Circuit Description
Exterior Lights
Horns
ILLUM and PARK LP Fuses
SP203
STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses
CTSY LP Fuse and Body Control Module (BCM)
CTSY LP Fuse and Body Control Module (BCM)
G203 and G205
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Figure 11:

Exterior Lights


Object Number: 544111  Size: FS
Body Control Module Components
Body Control System Circuit Description
Headlights
Interior Lamps
Power and Grounding Connector End Views
B+ Bus Bar
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
Fog Lamp Relay, Front
ILLUM and PARK LP Fuses
Body Control System Connector End Views
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
Front Fog Lamps, LH/RH, and Fog Lamp Switch, Front
ILLUM and PARK LP Fuses
Handling ESD Sensitive Parts Notice
Figure 12:

Headlights


Object Number: 544113  Size: FS
Body Control Module Components
Body Control System Circuit Description
Power Locks
Exterior Lights
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses
HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses
G203 and G205
G103 and G105
Power, Flash To Pass, and BCM
Body Control System Connector End Views
Power and Grounding Connector End Views
B+ Bus Bar
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
Power and Headlamp Switch
Handling ESD Sensitive Parts Notice
G200 and G201
Handling ESD Sensitive Parts Notice
Figure 13:

Power Locks


Object Number: 544115  Size: FS
Body Control Module Components
Body Control System Circuit Description
Front Fog Lights
Headlights
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
IP Fuse Block, Body Relay Block and BCM
IP Fuse Block, Body Relay Block and BCM
IP Fuse Block, Body Relay Block and BCM
IP Fuse Block, Body Relay Block and BCM
IP Fuse Block, Body Relay Block and BCM
G203 and G205
STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses
G203 and G205
Figure 14:

Front Fog Lights


Object Number: 544117  Size: FS
Body Control Module Components
Body Control System Circuit Description
Rear Fog Lights
Power Locks
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Fog Lamp Relay, Front
SP203
G200 and G201
Fog Lamp Relay, Front
Figure 15:

Rear Fog Lights


Object Number: 544118  Size: FS
Body Control Module Components
Body Control System Circuit Description
Front Fog Lights
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Rear Fog Lamps, LH/RH, and Fog Lamp Switch, Rear
Body Control Module (BCM) and IP Dimmer Switch
SP203
G200 and G201
Power and Grounding Connector End Views
B+ Bus Bar