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Home >> Ford >> 2003 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1224 (Component Testing) >> Component Testing >> Headlamp switch, Interior lamps >> Component Testing Procedure
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Component Testing Procedure

WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
HEADLAMP SWITCH, INTERIOR LAMPS COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Interior lamp  2 and 4 Off Open circuit
On Closed circuit
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