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Preliminary Checks

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1990 Mercury Sable, 1990 Mercury Grand Marquis, 1990 Lincoln Town Car, 1990 Lincoln Continental, and 1990 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before testing heated windshield system, ensure battery and charging system are properly functioning.
  2. Ensure all alternator and battery terminal connections are clean and tight. Alternator belt tension must be correct.
  3. To test electrical system, a digital volt/ohm meter, capable of reading up to 100 volts, is needed.
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