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Pinpoint Test P - Speed Control Indicator Does Not Come On

  1. Unplug connector from cruise control amplifier, located at left rear of engine compartment. Turn ignition on. Measure voltage between 8-pin connector Orange/Light Blue wire and Black wire. If voltage is approximately 5 volts, go to next step. If voltage is not as specified, go to step 3).
  2. Inspect Orange/Light Blue for continuity between cruise control amplifier and instrument cluster connector C2 pin No. 26. See Figure. If continuity exists, temporarily substitute known good EIC, then retest system. If continuity does not exist, repair open Orange/Light Blue wire.
  3. Test for battery voltage at White/Purple wire at cruise control servo connector. If battery voltage exists, replace cruise control servo. If battery voltage does not exist, repair appropriate wire. See WIRING DIAGRAMS .
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