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

Coolant Bypass Solenoid, Afterboil Coolant Pump, Coolant Level Switch and Indicators


Object Number: 1311239  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)
Underhood Fuse Block B+ Bus - 2 of 2
Right Rear Fuse Block B+ Bus
Underhood Fuse Block STARTER and IGN 1 Relays, HTR VLV/CLTCH and TCM/IPC Fuses
Starting System - 2.6L/3.2L/3.6L (LY9/LA3/LY7)
Class 2 Serial Data Bus - LHD - 2 of 2
G101
G100 and G107 - 2.6L/3.2L (LY9/LA3)
Figure 2:

Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)


Object Number: 1311240  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 3.6L (LY7)
Coolant By-Pass Solenoid, Afterboil Coolant Pump, Coolant Level Switch and Indicators
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
Engine Data Sensors - 5 Volt and Low Reference Buses
G104 - 1 of 2
Figure 3:

Cooling Fans - 3.6L (LY7)


Object Number: 1311242  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 5.7L (LS6)
Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
Engine Data Sensors - Low Reference
G104 - 1 of 2
Figure 4:

Cooling Fans - 5.7L (LS6)


Object Number: 1346973  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - International (V92)
Cooling Fans - 3.6L (LY7)
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
G104 - 1 of 2
Figure 5:

Cooling Fans - International (V92)


Object Number: 1311241  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 5.7L (LS6)
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block POST O2 Fuse
Left Rear Fuse Block B+ Bus
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses
G104 - 1 of 2
Engine Data Sensors - 5 Volt and Low Reference Buses
Class 2 Serial Data Bus - LHD - 1 of 2
G104 - 1 of 2