GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Engine Wiring Harness to Front of Dash


Object Number: 103888  Size: SH
(1)Engine Wiring Harness
(2)Engine Harness Pass Through
(3)ABS, Fuel Pump, and Tank Pressure Connector
(4)In-line to I/P Harness Engine Harness
Figure 2:
Object Number: 103891  Size: SH
(1)Ground Lead
(2)Forward Lamps Harness
(3)Tach Lead (LD9 only)
(4)Air Cleaner
Figure 3:

Engine Wiring Harness to Master Cylinder


Object Number: 98294  Size: MF
(1)Brake Pressure Switch
(2)A.B.S. Solenoid Lead
(3)Engine Wiring Harness Clip
(4)Air Cleaner Support
(5)Engine Harness
(6)A.B.S. Motor Pack Connector Retainer
(7)A.B.S. Motor Pack Connector
(8)Electronic Brake Relay
Figure 4:

Oxygen Sensor to Engine Wiring Harness


Object Number: 98295  Size: SH
(1)Harness To Bulkhead Engine
(2)Left Strut Sensor
(3)Post Catalytic Oxygen Sensor Connector
(4)Engine to Front of Dash Harness
(5)Fuel Lines
Figure 5:

Engine Wiring Harness to Starter Motor


Object Number: 98296  Size: MF
(1)Engine Wiring Harness
(2)Coolant Fan Lead
(3)Starter Solenoid
(4)Starter Solenoid Lead
(5)Starter Assembly
(6)Positive Battery Cable
(7)Fusible Link to Generator Lead
(8)Oil sensor and A/C Lead Lead
Figure 6:

Engine Compartment Fuse Block


Object Number: 98297  Size: SH
(1)Battery Shield
(2)Fuse Block
(3)Fuse Block Bracket
Figure 7:

Engine Wiring Harness to Front of Dash


Object Number: 98298  Size: MF
(1)Relay
(2)Low Coolant , A/c Transducer Lead
(3)ABS Controller Connector
(4)HVAC Blower Resistors Connector
(5)Wire Harness Installed Channel
(6)Blower Motor Feed Connector
(7)Blower Motor Ground
(8)Relay
(9)Relay
(10)Relay
Figure 8:

Oxygen Sensor Lead (LD9 - VIN T)


Object Number: 98301  Size: SH
(1)Exhaust Manifold
(2)Coolant Vent Pipe
(3)Oxygen Sensor
Figure 9:

Left Side of Engine Compartment (LD9)


Object Number: 98302  Size: SH
(1)Back-up Lamp Switch
(2)Detonation Sensor
(3)Vehicle Speed Sensor Connector
(4)Transmission Assembly
(5)Engine Harness
Figure 10:

Engine Wiring Harness Over Channel


Object Number: 98308  Size: MF
(1)Engine Wiring Harness Over Channel
(2)Generator Duct
Figure 11:

Engine Wiring Harness to Generator (3100 L82)


Object Number: 98316  Size: MF
(1)Injector Lead
(2)Generator Cooling Duct
(3)EVO Steering Harness
(4)Engine Wiring Harness
(5)Generator Stud Terminal
(6)Generator