GM Service Manual Online
For 1990-2009 cars
Makes 🢒 Chevrolet 🢒 2004 🢒 C-Series Medium Duty Truck C6/7/8 - Mexico 🢒 Engine 🢒 Engine Electrical 🢒 Engine Electrical Component Views
Figure 1:

Engine Harness to Engine (LG5), Right Side
Object Number: 689981 Size: LF
(1)Engine Coolant Temperature (ECT) Switch (UER)
(2)Generator
Figure 2:

Engine Harness to Starter, Right Side Front View
Object Number: 689486 Size: SF
(1)Engine Harness
(2)C106a/C106b
(3)Starter Temperature Switch, HD Starter with Overcrank Protection
(4)Starter
Figure 3:

Positive Battery Cable to Engine Components, Right Front View
Object Number: 689814 Size: SF
(1)Starter Solenoid
(2)Starter
(3)Engine Harness
(4)G101
(5)G103
(6)Positive Battery Cable
(7)G124
Figure 4:

Relays-Lower Exterior Bulkhead, Right Side
Object Number: 689999 Size: MF
(1)Automatic Transmission Modulator Relay
(2)Starter Relay
(3)Engine Brake Relay (LG5/K40)
(4)Bulkhead