Motorcraft Home Technical Resources Home Non-Subscription Resources What's New Body Repair Manuals Diagnostic Tool Support OBDII Theory & Operation Paper/CD Manuals Quick Guides Tools & Equipment Membership Accounts My Shopping Cart Subscription Products Keycode Lookup Reprogramming & Initialization Service Publications Technical Service Bulletins Technical Training Purchase Subscription Ford Specific Acronyms # A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  0-9  (Indexed by Abbreviation) Acronyms Description GEM Generic Electronic Module GEN Generator GENF Generator Output Fault GENFDC Generator Field Control Output GENIL Generator Indicator Lamp. A PCM output signal used to control the charging system indicator. GENLI Generator Load Input. An input signal utilized by the PCM to monitor charging system operation and determine the system voltage. GENRC Generator Regulator Control. A PCM output signal used to control the voltage regulator. GFS Generator Field Signal GND Ground GPM Grams per Mile. Also known as Gallons per Minute. Green State Vehicle Formally known as California Emissions. A vehicle that is equipped with California on-board diagnostics. GSS Gear Select Solenoid GVW Gross Vehicle Weight

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