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Test D: Speed Control Inoperative (Flash Code 1)

NOTE: After each service or repair procedure has been completed, reconnect all components.
  1. Test drive vehicle and while observing speedometer operation. If speedometer operates properly, go to next step. If speedometer does not operate properly, repair speedometer as necessary. See ANALOG INSTRUMENT PANELS - EXPLORER & MOUNTAINEER article.
  2. Turn ignition switch to OFF position. Disconnect speed control servo/actuator connector C171 (located at right rear of engine compartment). Disconnect ABS control module connector C186 (located near left front fenderwell). Using an ohmmeter, measure resistance of Gray/Black wire between speed control servo/actuator connector C171 terminal No. 3 and ABS control module connector C186 terminal No. 10. See Figure and Fig 1 . If resistance is less than 5 ohms, replace speed control servo/actuator. If resistance is 5 ohms or more, repair open in Gray/Black wire.
Fig 1: Identifying ABS Control Module Connector C186 Terminals
G98H01442Courtesy of FORD MOTOR CO.