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Temp. gauge fluttering 87 745 700

posted by  Rolyak on  Mon Sep 25 06:22 CST 2006
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last visit: Fri Oct 24 08:03 CST 2014
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Acts like a bad connection, intermittant, started yesterday on a bumpy road,continued for at least 45 minutes, then back to normal. Has also occurred several days after a pressure wash. No real distinct pattern though? Never exceeds a normal reading so I don't think it is grounding out?

Sending unit was replaced over 300,000 mi. ago, checked connection on the head-no visible corrosion.

Will take a look at instrument panel this evening! Any other connections to check?

Anyone ever see this problem?

Thanks
Tom








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Temp. gauge FYI 700

posted by  Rolyak on  Mon Sep 25 13:17 CST 2006
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last visit: Fri Oct 24 08:03 CST 2014
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Gauge is OK- checked all the circuits for continuity on the back of the inst. panel. Grounded the gauge-straight to overheat position.

DVOM on the sender-reads open circuit. Shoved the connector on real tight and it's working again.

Time for a new sender? Harness should be good, replaced a couple years ago.







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