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Home >> Ford >> 2003 >> Excursion 5.4 L, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline >> Computerized Engine Controls >> Output Devices >> Solid State Relay
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Solid State Relay

See ELECTRIC SECONDARY AIR INJECTION SYSTEM  under SECONDARY AIR INJECTION SYSTEM.