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"C" & "K" Series

  1. Disconnect instrument cluster connector. Place ignition switch in the "RUN" position. Check for 12 volts between ground and Pink/Black wire at terminal "A10". If reading is 12 volts, go to next step. If reading is less than 12 volts, check gauges fuse. Replace fuse if necessary. If fuse is okay, check for short or open in Pink/Black wire.
  2. Check for 12 volts between ground and Brown/White wire at terminal "B14". If reading is 12 volts, go to next step. If reading is less than 12 volts, check speedometer fuse. Replace fuse if necessary. Check for short or open in Brown/White wire.
  3. Check for 12 volts between Brown/White wire (terminal "B14") and Black/White wire (terminal "B15"). If reading is 12 volts, go to next step. If reading is less than 12 volts, check for open in Black/White wire.
  4. Check for 12 volts between Brown/White wire (terminal "B14") and Black wire (terminal "B1"). If reading is 12 volts, check vehicle speed sensor circuit. See VEHICLE SPEED SENSOR TEST  in this article. If reading is less than 12 volts, check for open in Black wire.
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