GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Entertainment Component Views
Figure 1:

Center Console
Object Number: 298017 Size: SH
(1)Remote CD Player
(2)Cigar Lighter
(3)Cigar Lighter Connector
Figure 2:

Rear Radio/Rear Auxiliary Power Outlet Wiring
Object Number: 298001 Size: LF
(1)Rear Radio Control Module
(2)Rear Auxiliary Power Outlet Connector
(3)Rear Auxiliary Power Outlet
(4)Rear Radio Control Module Connector
Figure 3:

Left Rear Body Harness (Electrical)
Object Number: 374528 Size: LF
(1)Rear A/C Blower Motor
(2)S313
(3)S312
(4)S311
(5)S310
(6)S309
(7)S314
(8)S315
(9)S322
(10)S316
(11)Sub-Woofer Amplifier
(12)Sub-Woofer Amplifier connector
(13)S318
(14)S317
(15)G404
Figure 4:

RH D Pillar Wiring
Object Number: 374540 Size: LF
(1)S400
(2)Rear Door Lock Motor
(3)P401
(4)Trailer Harness (Taped Wires)
(5)S403
(6)S402
(7)S401
(8)G401
(9)Right Rear Speaker
(10)Door Jamb Switch Rear
(11)Door Jamb Switch Rear Connector
Figure 5:

LH D Pillar Wiring
Object Number: 374545 Size: LF
(1)S321
(2)S320
(3)Left Rear Speaker
(4)S319
(5)LH Rear Door Speaker (Base Radio) Left Rear Sub-Woofer (Premium Radio)
(6)P400
(7)G400
(8)S400
(9)C401