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Guest Message by DevFuse

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Troubleshooting Gauges

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#1 ShawnW


    Subaru Master Technician

  • Administrator
  • 12,955 posts
  • Denver, Colorado

Posted 02 January 2006 - 09:54 PM

Dash and temp. problems

Posted by Mile Hi Sub

Dash and temp problems can be diagnosed and separated by disconnecting the sender and placing a resistor of any wattage from the dash input line to ground. The book says a 15 ohm should give about all segments lit, a 27 ohm should give 4 to 6 lit, and 39 ohm 1 or 2 lit . The 15ohm resistor should give full scale 248 f on a analogue gauge This all should happen about 8 seconds after the ign. is turned on. These are standard value ris. that are avail. instead of the weird ones in the book. Source 1987 FSM

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