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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1593 (Charging System - General Information - F250-F550 Super Duty) >> Diagnosis And Testing >> Charging System - Single Generator >> Principles of Operation >> S Circuit 4 (WH/BK) (Gas Engines)

S Circuit 4 (WH/BK) (Gas Engines)

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.

The S (stator) circuit 4 (WH/BK) is used to feed back a voltage signal externally from the generator stator to the regulator. This voltage feedback signal (typically half the battery voltage) is used by the regulator to turn off the charging system warning indicator. Gas engines have an external stator circuit and diesel engines have an internal stator circuit.

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