GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Astro - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Electrical Component Views
Figure 1:

Battery Wiring (A4WD)
Object Number: 181454 Size: MF
(1)Underhood Fuse Block
(2)Battery
(3)G102
(4)Starter Motor
(5)Starter Solenoid
(6)G103
Figure 2:

Battery Wiring (RWD)
Object Number: 181452 Size: MF
(1)Underhood Fuse Block
(2)Battery
(3)G102
(4)Starter Motor
(5)Starter Solenoid
(6)G103
Figure 3:

Engine Wiring, RH Side
Object Number: 582029 Size: LF
(1)S123
(2)Evaporative Emission Canister Purge Solenoid Valve Connector
(3)Ignition Coil Connector
(4)S122
(5)Ignition Control Module
(6)S119
(7)Ignition Control Module Connector
(8)Generator
(9)Generator Connector
(10)Ignition Coil
(11)MAP Sensor Connector
(12)MAP Sensor
(13)Evaporative Emission Canister Purge Solenoid Valve
Figure 4:

Underhood Fuse Block
Object Number: 599049 Size: LF
(1)Upfitter Battery Power Stud
(2)Upfitter Accessory Power Stud
(3)Battery Feed
(4)D101
Figure 5:

Transmission Wiring
Object Number: 564546 Size: LF
(1)Automatic Transmission
(2)Adapter
(3)Park/Neutral Position and Backup Lamp Switch 4-Way Connector (C1)
(4)Park/Neutral Position and Backup Lamp Switch 7-Way Connector (C2)
(5)Park/Neutral Position and Backup Lamp Switch
(6)Automatic Transmission Connector
(7)Vehicle Speed Sensor
(8)Vehicle Speed Sensor Connector
(9)S333
(10)Vehicle Speed Sensor Shield (Taped)