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

Coolant Level Switch, Indicator, Gage, and DIC


Object Number: 1470662  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Cooling Fans 2.8L/3.6L (LP1/LY7)
Class 2 Serial Data Bus (LHD) - 2 of 2
G101
Figure 2:

Cooling Fans - 2.8L/3.6L (LP1/LY7)


Object Number: 1470667  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Cooling Fans 6.0L (LS2)
Coolant Level Switch, Indicator, Gage, and DIC
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block - POST O2 Fuse
Underhood Fuse Block - POST O2 Fuse
Left Rear Fuse Block B+ Bus
Class 2 Serial Data Bus (LHD) - 1 of 2
Engine Data Sensors - Low Reference Bus
Underhood Fuse Block Cooling Fan Fuses/Relays, MAIN Relay, ECM and TOS Fuses
Underhood Fuse Block Cooling Fan Fuses/Relays, MAIN Relay, ECM and TOS Fuses
G104 - 1 of 2
G104 - 1 of 2
Figure 3:

Cooling Fans - 6.0L (LS2)


Object Number: 1614369  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Cooling Fans 2.8L/3.6L (LP1/LY7)
Class 2 Serial Data Bus (LHD) - 1 of 2
Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM and TOS Fuses
Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM and TOS Fuses
G104 - 1 of 2
G104 - 1 of 2