GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Express 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Power and Grounding Component Views
Figure 1:

Underhood Fuse Relay Center, PCM
Object Number: 688475 Size: LF
(1)Powertrain Control Module (PCM)
(2)Underhood Fuse Relay Center
Figure 2:

In-Line Fuse, LH Body Harness, Trailer Wiring
Object Number: 583693 Size: MF
(1)Inline Fuse
Figure 3:

IP Fuse Block
Object Number: 583176 Size: MF
(1)IP Fuse Block
Figure 4:

Cigar Lighter
Object Number: 656643 Size: MF
(1)Cigar Lighter
(2)Cigar Lighter Connector
Figure 5:

Fog Lamp Switch, Cigar Lighter, Front Accessory Power Outlet, and Video Cassette Player
Object Number: 765680 Size: MF
(1)Fog Lamp Switch
(2)Cigar Lighter
(3)Video Cassette Player (VCP)
(4)Front Accessory Power Outlet
Figure 6:

Video, RSA-T, and Entertainment Harness
Object Number: 765688 Size: MF
(1)Video Harness to Game Box
(2)Entertainment Harness
(3)Video Harness to Front Video Display
(4)RSA-T Pigtail
Figure 7:

Convenience Center
Object Number: 583187 Size: MF
(1)Convenience Center
Figure 8:

C302, G303, and Upfitter Provision Relay
Object Number: 781701 Size: MF
(1)C302
(2)Upfitter Provision Power Relay
(3)Driver Seat Belt Reel
(4)G303
Figure 9:

Forward Lamp Wiring
Object Number: 583107 Size: MF
(1)G109
(2)C111
(3)C102
(4)G108
Figure 10:

Battery Wiring (Gasoline)
Object Number: 583109 Size: MF
(1)G100
Figure 11:

Battery Wiring (Diesel)
Object Number: 583113 Size: MF
(1)G110
Figure 12:

G300
Object Number: 583116 Size: MF
(1)G300
Figure 13:

G302 and Right B-Pillar Speaker
Object Number: 781884 Size: MF
(1)Right B-Pillar Speaker (Left Side Similar)
(2)G302
(3)Central Pillar Lower Trim Panel - Right
Figure 14:

G304, Amplifiers, and Rear Woofer
Object Number: 765685 Size: MF
(1)Ground G304
(2)Bose 2000AMP 1
(3)Bose 2000AMP 2
(4)Rear 100 Watt Amplifier
(5)Rear Woofer
(6)Right Rear Wheel House
Figure 15:

Forward Lamp Wiring, Horns
Object Number: 583118 Size: MF
(1)G108
(2)C102
(3)C111
(4)R100
Figure 16:

Engine to Frame Ground Cable
Object Number: 583127 Size: MF
(1)G105
(1)G105
(1)G105
Figure 17:

G104
Object Number: 583130 Size: MF
(1)G104
Figure 18:

P/B Booster System Wiring
Object Number: 583135 Size: MF
(1)P103
(2)C113
(3)G112
(4)G108
Figure 19:

4.3L Engine Harness, Right Side
Object Number: 583137 Size: MF
(1)C110
(2)G103
Figure 20:

8.1L Engine Harness, Rear
Object Number: 688480 Size: LF
(1)G101
(2)G102
(3)G103
Figure 21:

G101 (6.5L)
Object Number: 583150 Size: LF
(1)G101
Figure 22:

6.5L Engine Harness, Left Side
Object Number: 583154 Size: MF
(1)C118
(2)C117
(3)C101
(4)C107
(5)C106
(6)G102
(7)G103
Figure 23:

IP Fuse Block Wiring
Object Number: 583181 Size: MF
(1)P103
(2)C100
(3)G202
(4)G201
Figure 24:

Front Crossbody Wiring (Left)
Object Number: 583189 Size: MF
(1)G200
(2)C210
(3)C211
Figure 25:

Left Body Wiring
Object Number: 583637 Size: MF
(1)G400
(2)C404
(3)C411
(4)C408
(5)C407
(6)C406
(7)C402
(8)G401
(9)C401
(10)G402
Figure 26:

G106
Object Number: 583647 Size: MF
(1)G106