GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 Body and Accessories 🢒 Horns 🢒 Horn Component Views
Figure 1:

Front End Center Wiring
Object Number: 298030 Size: MH
(1)Horn - Left Connector
(2)Horn - Left
(3)Horn - Right Connector
(4)Horn - Right
(5)Ambient Air Temperature Sensor Connector
(6)Ambient Air Temperature Sensor
Figure 2:

Steering Column
Object Number: 181457 Size: MF
(1)Horn Switch
(2)Inflatable Restraint Steering Wheel Module
(3)Inflatable Restraint Steering Wheel Module Coil
(4)Windshield Wiper/Washer Switch
(5)Cruise Control ON/OFF Switch
(6)Turn Signal Switch