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  1. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Recently, I disconnected the negative battery terminal to do some work on the car. Before I reconnected I put a wire across the terminals ( without the Battery) in order to clear the capacitors so ECM would relearn settings. Upon starting again the fuel gauge gave an apparently accurate...
  2. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I have a 96 grand marquis ls with the digital dash and I would like to swap out the 2.73s for 3.55s how do I reprogram the speedometer?
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