GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Instrument Cluster Schematics
Figure 1:

Power, Grounds, and DLC
Object Number: 654719 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
Battery and Lighting Fuse
IGN ACC and RUN
IGN RUN and START Bus Bar
Cig Lighter Fuse, Radio Battery Fuse and Crank Fuse
Illumination Fuse
HTR-A/C, Brake, and Cruise Fuses
Trans Fuse, Windows Circuit Breaker
Gages, Air Bag, Turn, Back-up Fuses
Data Link Connector (DLC)
G105, and G107
G105, and G107
Figure 2:

Indicators
Object Number: 654726 Size: FS
Master Electrical Component List
Indicator/Warning Message Description and Operation
Gages
Power, Grounds, and DLC
G110 (1 of 2)
Turn Indicators, Front Marker Lamps, Front Park/Turn SignalLamps
Turn Indicators, Front Park/Turn Signal Lamps, Repeater Lamps (VE1)
Module Power, Ground, Serial Data, and MIL
Figure 3:

Gages
Object Number: 655039 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
Fuel Controls