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

Front of Vehicle


Object Number: 826867  Size: LF
(1)Chassis Harness
(2)Vacuum Pump (Diesel)
(3)Coolant Level Switch Connector
(4)Engine Harness
(5)Vacuum Pump Connector (Diesel)
(6)C106 (6 cavities - C4/C5)
(7)C106 (6 cavities - C4/C5)
Figure 2:

Top of Engine


Object Number: 822047  Size: LF
(1)Engine Chassis Harness
(2)C110 (8 cavities - L18)
(3)Engine Coolant Temperature (ECT) Sensor (L18)
(4)Engine Coolant Temperature (ECT) Sensor Connector
(5)C110 (8 cavities - L18)