COOLING FAN – Chevrolet Impala LS 2012 – SYSTEM WIRING DIAGRAMS

COOLING FAN

Cooling Fan Wiring Diagram, with Cooling Fan Jumper Harness for Chevrolet Impala LS 2012

List of elements for Cooling Fan Wiring Diagram, with Cooling Fan Jumper Harness for Chevrolet Impala LS 2012:

• 87a
• Computer data lines system
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan speed control relay
• Data bus +
• Data bus -
• Ect sens sig
• Engine control module (ecm) (inside air cleaner assembly)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Fuse 30a
• G100 (behind right headlight)
• Harness)
• High spd
• Hot at all times
• Inline fuse
• J104
• J105
• J106
• J107 (ignition control module wiring
• J108
• J195
• J196
• J197
• J198
• J199
• Left cooling fan engine diode
• Left engine cooling fan (behind left side of radiator)
• Low ref
• Low spd
• Red
• Red/
• Right cooling fan engine diode
• Right engine cooling fan (behind right side of radiator)
• Tan
• Underhood fuse block (right side of engine compt)

Cooling Fan Wiring Diagram, without Cooling Fan Jumper Harness for Chevrolet Impala LS 2012

List of elements for Cooling Fan Wiring Diagram, without Cooling Fan Jumper Harness for Chevrolet Impala LS 2012:

• (right side of engine compt) underhood fuse block
• 87a
• Computer data lines system
• Data bus +
• Data bus -
• Ect sens sig
• Emission 2 fuse 15a
• Engine control module (ecm) (inside air cleaner assembly)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• G100 (behind right headlight)
• High spd
• Hot at all times
• Hot w/ pwr/trn relay energized
• Left cooling fan engine diode
• Left engine cooling fan (behind left side of radiator)
• Low ref
• Low spd
• Right cooling fan engine diode
• Right engine cooling fan (behind right side of radiator)
• Tan