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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Charging System - General Information -- F250-F550 Super Duty) >> Diagnosis And Testing >> Charging System - Single Generator >> Pinpoint Tests >> Pinpoint Test E: The Charging System Warning Indicator Is Off With The Ignition Switch In The Run Position And The Engine Off

Pinpoint Test E: The Charging System Warning Indicator Is Off With The Ignition Switch In The Run Position And The Engine Off

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE CHARGING SYSTEM WARNING INDICATOR 
    • Key in OFF position.
    • Disconnect: Generator C102a.
    • With the engine off, connect a fused (15A) jumper wire between the generator C102a pin 1, circuit 904 (LG/RD), harness side and ground.
      Fig 1: Checking Charging System Warning Indicator
      G03910834Courtesy of FORD MOTOR CO.
    • Key in ON position.
    • Is the charging system warning indicator illuminated? 
    • Yes  : If the generator has an external stator circuit 4 (WH/BK), INSTALL a new regulator. REFER to GENERATOR AND REGULATOR . If the generator has an internal stator circuit, INSTALL a new generator. REFER to GENERATOR AND REGULATOR . TEST the system for normal operation.
    • No  : REFER to INSTRUMENT CLUSTER for the diagnosis and testing of the instrument cluster.