weak spark


Old 03-10-04, 04:34 PM
89blaze's Avatar
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weak spark

GM HEI external coil. spark plug on coil wire to check for spark, small spark for a couple seconds and then dies. assume bad coil. meter broke, ate by dog. any other way to test coil?
or would you suspect sumptin else?
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Old 03-10-04, 05:18 PM
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Other than making it jump a spark over 1 inch, the only other way is with an ohmmeter. Look up the spec and check the resistance of both primaty and secondary.
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