Cooling System Connectors

Coolant Level Switch - 2500 Series

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052644 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
A	L GN	1478	Coolant Level Switch Signal
B	BK	550	Ground

Cooling Fan - Left (1500 Series)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15454358 2-Way F 630 GT (BK)
Pin	Wire Color	Circuit No.	Function
A	YE	5358	Cooling Fan Motor Control
B	GY	532	Cooling Fan Motor Supply Voltage

Cooling Fan - Right (1500 Series)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15454358 2-Way F 630 GT (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	250	Ground
B	L BU	409	Cooling Fan Motor Supply Voltage

Engine Coolant Temperature (ECT) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15336024 2-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	407	Low Reference
2	YE	410	ECT Sensor Signal