COOLING FAN – Buick Century Custom 1990 – SYSTEM WIRING DIAGRAMS

COOLING FAN

2.5L

2.5L (VIN R), Cooling Fan Wiring Diagram for Buick Century Custom 1990

List of elements for 2.5L (VIN R), Cooling Fan Wiring Diagram for Buick Century Custom 1990:

• (top left front of engine) engine coolant temperature sensor
• A/c on in
• Air conditioning
• C-fan enable
• Coolant fan motor
• Coolant fan relay (right front of engine compt)
• Coolant fan relay control
• Coolant temp in
• Data link connector
• Diagnostic test
• Engine control module (right side of i/p)
• Fan/elect fuse 10a
• Fuse block (right side of i/p)
• Fusible link a (16-ga)
• G114 (left rear of engine)
• Hot at all times
• Hot in run
• Red
• Rust
• Sensor ground
• System
• Vehicle speed sensor
• Vss gnd
• Vss in

3.3L

3.3L (VIN N), Cooling Fan Wiring Diagram for Buick Century Custom 1990

List of elements for 3.3L (VIN N), Cooling Fan Wiring Diagram for Buick Century Custom 1990:

• (top left side of engine) engine coolant temperature sensor
• A/c on in
• Air conditioning
• B10
• Coolant fan motor
• Coolant fan relay (right front of engine compt)
• Coolant fan relay control
• Coolant temp in
• Data link connector
• Diagnostic test
• E12
• E16
• Engine control module (right side of i/p)
• Fan/elect fuse 10a
• Fuse block (right side of i/p)
• Fusible link a (16ga)
• G117 (right rear of engine)
• Hot at all times
• Hot in run
• Red
• Rust
• Sensor ground
• System
• Vehicle speed sensor
• Vss gnd
• Vss in