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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Anti-Lock Brake System) >> Trouble Codes >> Code 8
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Code 8

WARNING: This page is about a different car, the 1989 Ford Ranger, 1989 Ford Pickup, 1989 Ford Cab & Chassis, 1989 Ford Bronco II, and 1989 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Unplug electro-hydraulic valve Connector. Measure resistance between Yellow/Light Green wire and Black/White wire at valve. If resistance is less than one ohm, replace electro-hydraulic valve. If resistance is one ohm or more, disconnect battery.
  2. Unplug control module connector. Measure resistance between module connector pin No. 8 and ground, and pin No. 14 and ground. If resistance is 20,000 ohms or more, replace control module. If resistance is less than 20,000 ohms, repair short in Yellow/Light Green wire between valve and control module.
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