GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Power and Grounding Component Views
Figure 1:

IP Harness, Right Forward View
Object Number: 230863 Size: LF
(1)Relay Block #4
(2)Speedometer Adapter
(3)Fuse Block 2
(4)Fuse Block 1
(5)IP Fuse Block/Mini Relay Center
(6)Relay Block #3
(7)Relay Block #2
(8)Flasher Relay Center
(9)Relay Block #1
Figure 2:

Engine Harness and Battery Cable to Starter (L18), Upper Right Front View
Object Number: 220294 Size: MF
(1)Starter Solenoid
(2)Starter
(3)Starter SW Terminal
(4)Starter BATT Terminal
(5)Starter Solenoid C1
(6)Starter Solenoid C4
(7)Starter Solenoid C2
(8)Fusible Link M
(9)Positive Battery Cable
Figure 3:

Engine Harness to Generator, Upper Right Forward View (L18)
Object Number: 220302 Size: MF
(1)Generator B+ Terminal
(2)Generator
(3)Generator C2
(4)Generator Ground Strap
Figure 4:

IP, Right Forward View
Object Number: 230753 Size: LF
(1)Fuse Block - I/P
Figure 5:

IP Harness and Steering Column, Left Forward View
Object Number: 740407 Size: LF
(1)Forward Bulkhead
(2)Steering Column
(3)Steering Column Support
(4)Headlamp Dimmer Switch
(5)Headlamp Dimmer Switch Connector
(6)G208
(7)IP Harness
Figure 6:

IP Harness and Steering Column, Right Forward View
Object Number: 740408 Size: LF
(1)Steering Column
(2)Insulator (w/o K34)
(3)C234 (JE3 only)
(4)Forward Bulkhead
(5)Ignition Switch
(6)Ignition Switch Connector C1
(7)Ignition Switch Connector C2
(8)IP Harness
(9)Turn Signal Switch Connector (w/o K34), Turn Signal/Multifunction Switch Connector C1 (K34)
(10)Turn Signal/Multifunction Switch Connector C2 (K34)
Figure 7:

Engine Harness and Battery Cables to Starter, Upper Right Front (LG5)
Object Number: 220297 Size: MF
(1)Starter Solenoid
(2)Starter BATT Terminal
(3)Starter SW Terminal
(4)Starter Solenoid C4
(5)Starter Solenoid C2
(6)Starter
(7)Positive Battery Cable
Figure 8:

Left Side of IP, Forward View
Object Number: 220291 Size: MF
(1)IP Dimming Module
(2)Instrument Panel Cluster (IPC)
(3)C225
(4)Clutch Pedal Position (CPP) Switch
(5)C212 - Upfitter Connector
(6)C212 Shunt
(7)Junction Block - Upfitter IP
(8)Daytime Running Lamps (DRL) Control Module
(9)Driver Information Center (DIC)
(10)Headlamp Switch