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GMC
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2001
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C3500 HD 8.1 G, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 8.1L - Component Locator
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Component Locator
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Engine Control System Connector End Views
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Secondary Air Injection (AIR) Pump
Secondary Air Injection (AIR) Pump
Secondary Air Injection (AIR) Pump
Connector Part Information
15326679
2-Way F GT 280 Sealed (BLK)
Pin
Wire Color
Circuit No.
Function
A
RED
78
AIR Pump Supply Voltage
B
BLK
550
Ground