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Home >> Ford >> 2005 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Diagnostic Methods -- 6.0L Diesel (99P F450/550) >> Basic Circuit Checks >> Description >> Notes

Basic Circuit Checks: Description: Notes

Basic circuit checks help to minimize pinpoint test steps by providing a procedure to diagnose harness faults associated with the electronic engine control (EEC) system. The following techniques provide helpful reminders for diagnosing open circuits (continuity), shorts to ground, and shorts to voltage.