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Registered
Join Date: Nov 2006
Location: Conway,AR
Posts: 1,579
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Testing Spark Plug Connectors
Is there a relatively easy way to check spark plug connectors to determine if they are good. Thanks,
Tom
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1972 911T (with 3.2), 1985 930-EFI Conversion (in progress), 2016 Cayman GT4 |
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12-06-2013, 06:16 AM
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Join Date: May 2004
Location: Boulder, Colorado
Posts: 7,275
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Use a VOM. First for continuity, and then for ohms.
You'll see if any are much different than others easily enough. These connectors have a long cylinder of what looks like graphite inside, with spring tension keeping its ends pressed against metal bits which stick through the ends. If it doesn't make good connection at both ends after a long hard life, it can stop working properly. |
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12-07-2013, 07:43 PM
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Join Date: Jan 2004
Location: CT
Posts: 11,552
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I snap a good spark plug into one end and measure resistance from the screw end of the connector to the spark plug. Good ones measure between 1 and 3 K-Ohms.
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Tom Butler 1973 RSR Clone 1970 911E 914-6 GT Recreation in Process |
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12-09-2013, 05:39 AM
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I check it for resistance while thumping it with my finger tip. some show a wide resistance range while others stay stable.
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12-09-2013, 04:01 PM
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