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Cooling System Connector End Views

Coolant Level Switch Connector End View - Gas

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

Coolant Level Switch Connector End View - Diesel

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15324243 2-Way F Metri-Pack 150 Series Sealed (GRY)
Pin	Wire Color	Circuit No.	Function
A	LT GRN	1478	Coolant Level Switch Signal
B	BLK	550	Ground

Engine Coolant Temperature (ECT) Sensor Connector End View

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