Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

Engine Coolant Temperature (ECT) Sensor

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Fig.

PinWire ColorCircuit No.Function
AGRY720Sensor Return
BYEL410Coolant Temperature Sensor Signal

Coolant temperature sensor connector on 2000-2002 4.8L, 5.3L, 6.0L

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Fig.

PinWire ColorCircuit No.Function
1BLK407Low Reference
2YEL410ECT Sensor Signal

Coolant temperature sensor connector on 2003-2005 4.8L, 5.3L, 6.0L

 
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