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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 500 (Instrument Cluster System & Panel Illumination -- F250-F550 Super Duty) >> Diagnosis And Testing >> Instrument Panel Illumination >> Pinpoint Tests >> Pinpoint Test G: A Single Illumination Source Is Inoperative - Door Lock Control Switches >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Ford Pickup, 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.

When the accessory relay is energized, voltage is supplied to the door lock control switches through circuit 194 (PK) turning on switch illumination. Switch illumination is grounded through circuit 57 (BK).

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