GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 Engine 🢒 Engine Cooling 🢒 Engine Cooling Schematics
Figure 1:

Coolant Level Switch, After Boil Coolant Pump (LH2/V92/V03)
Object Number: 1618619 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Cooling Fans
Fuse Block Right Rear Bussing
GMLAN Low Speed (2 of 2)
G101
06 STS Ground Dist - G100 (LH2)
Figure 2:

Cooling Fans
Object Number: 1618618 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Coolant Level Switch and After Boil Coolant Pump w/ LH2/V92/V03
Engine Data Sensors - Pressure, Temperature, MAF, VSS
Engine Data Sensors - Pressure, Temperature, MAF, VSS
Engine Data Sensors - Pressure, Temperature, MAF, VSS
G104 (1 of 2)
G104 (1 of 2)
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing