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Home >> Ford >> 1998 >> Expedition 5.4 L, 4WD >> Repair and Diagnosis >> Body & Frame >> Power Mirrors System >> System Tests >> Notes

System Tests: Notes

Verify the customer complaint by operating power seat. Visually inspect for obvious sign of mechanical and electrical damage. If no visual damage is evident, perform appropriate diagnostic test. See SYMPTOM CHART table. A digital volt-ohmmeter is required to test the power seat system.

SYMPTOM CHART

Symptom Perform
One Or Both Mirrors Malfunctioning TEST A
One Or Both Heated Mirrors Malfunctioning TEST B