Fuses
SPARE
Spare Fuse
SPARE
Spare Fuse
SPARE
Spare Fuse
SPARE
Spare Fuse
TPA
Tonneau Pulldown Actuator
ONSTAR
OnStar
DRIV DR
Driver Door Switch
SWTCH
TELE SWTCH/
Telescope Switch,
MSM
Memory Seat Module
IGN SWTCH/
Ignition Switch, Intrusion Sensor
INTR SNSR
BCK/UP LAMP
Reverse Lamps
REVERSE
Reverse Lamps
LAMPS
Blank
Not Used
STOP LAMP
Stop Lamp
BTSI SOL/
Brake Transmission Shift Interlock,
STR WHL LCK
Steering Wheel Column Lock
BLANK
Not Used
Usage
®
Fuses
RDO/S-BAND/
Radio, S-Band, VICS
VICS
REAR FOG/
Rear Fog Lamp, Assembly Line
ALDL/TOP
Diagnostic Link Connector,
SWTCH
Convertible Top Switch
GM LAN
GM LAN Devices
RUN/CRNK
Electric Inside Rearview Mirror,
ISRVM/ HVAC
Heating Ventilation, Air Conditioning
CRUISE
Cruise Control Switch
SWTCH
TONNEAU
Tonneau Release
RELSE
RUN CRNK
Run/Crank Relay
HTD SEAT/
Heated Seat, Wiper Relays
WPR RLY
ECM
Engine Control Module
SDM/AOS
Sensing and Diagnostic Module,
SWTCH
Automatic Occupant Sensing
AIRBAG
Module, Airbag
CLSTR/HUD
Cluster, Heads-Up Display
HVAC/
Heating, Ventilation/Air Conditioning,
PWR SND
Power Sounder
Usage
421