GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Transfer Case Control Component Views
Figure 1:

Transfer Case Control Module Locator View
Object Number: 377257 Size: LF
(1)Transfer Case Shift Control Module
(2)Transfer Case Wiring Harness
(3)Dash
Figure 2:

A4WD Transfer Case Locator View
Object Number: 516428 Size: MF
(1)Propshaft Speed Sensor - Rear Connector
(2)Transfer Case Encoder Motor Connector
(3)Vehicle Speed Sensor (VSS) Connector
(4)Propshaft Speed Sensor - Front Connector
(5)Transfer Case
(6)P301