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Abs Warning Indicator Does Not Self-Check, Always On, No DTCS (1999 Models)

WARNING: This page is about a different car, the 1999 Mercury Mystique, 1999 Mercury Cougar, 1999 Ford Contour, 1998 Mercury Mystique, and 1998 Ford Contour. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect ABS control module connector. Disconnect instrument cluster connector. Measure voltage of Black/Red wire between instrument cluster connector and ground. If voltage is present, repair Black/Red wire. Repeat self-test. If no voltage is present, go to next step.
  2. Measure resistance of Black/Red wire between instrument cluster connector and ABS control module connector. If resistance is less than 5 ohms, replace HCU. Repeat self-test. If resistance is more than 5 ohms, repair Black/Red wire. Repeat self-test.
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