GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Cooling System Component Views
Figure 1:

Auxiliary Cooling Fan
Object Number: 425480 Size: MF
(1)Auxiliary Cooling Fan Motor
(2)Ambient Air Temperature Sensor
(3)Auxiliary Cooling Fan Motor Connector
Figure 2:

Underhood Fuse Block, EBCM and Wiring
Object Number: 376165 Size: MF
(1)Auxiliary Roof Lamp Relay
(2)Auxiliary Cooling Fan Relay
(3)Battery Positive Lead
(4)Wheel Speed Sensor Connector
(5)Engine Harness
(6)P100
(7)C238
(8)IP Harness
(9)Underhood Fuse Block
(10)Forward Lamp Harness
Figure 3:

Low Coolant Level Indicator Module
Object Number: 276797 Size: MF
(1)IP Harness
(2)Low Level Coolant Level Indicator Module
(3)C200
(4)IP Compartment Box Light Connector
(5)C204
(6)C230
(7)Courtesy Lamp, RF
(8)Vehicle Speed Sensor Buffer (VSSB)
(9)Powertrain Control Module (PCM)
(10)C299
(11)Door Jamb Switch and Connector, RF
Figure 4:

Low Coolant Level Switch
Object Number: 405467 Size: MF
(1)Coolant Reservoir
(2)A/C Compressor Cycling Switch
(3)G108
(4)Underhood Lamp connector
(5)Underhood Ground Strap
(6)Engine Harness
(7)P101
(8)Low Coolant Level Sensor connector
(9)Low Coolant Level Switch
(10)Manifold Air Flow Harness