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

Idle Air Control (IAC) Valve Connector

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Fig.

PinWire ColorCircuit No.Function
ALT GRN/BLK444Idle Air Control (IAC) Valve Feed (Coil B Low)
BLT GRN/WHT1749Idle Air Control (IAC) Valve Feed (Coil B High)
CLT BLU/BLK1748Idle Air Control (IAC) Valve Feed (Coil A Low)
DLT BLU/WHT1747Idle Air Control (IAC) Valve Feed (Coil A High)

Idle air control valve connector pinout on 2000-2002 4.8L, 5.3L, 6.0L Engines

 
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