Thread: Tachometer on 300TD 1985 fails to show RPM 's. How do I check it or sensor?
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Old 08-02-2005, 08:29 AM
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Diesel Giant Diesel Giant is offline
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Join Date: Oct 2004
Location: Loganville/Atlanta
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The 1984 and 1985 does NOT have the tach amp on the fender. The little round can on the 84-85 is a diagnostic connector. The 84-85 get the tach signal via the egr circuit. My 85 tach does not work either and I have not been able to get it fixed so far.
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