Old Feb 1, 2007 | 10:06 PM
  #4  
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DazC
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From: Lancashire
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Yes.

The side of the coil marked up -VE should flash with a test lamp attached to it (wire still connected to the coil) when you crank the engine over. If it doesn't, it's not being triggered and is more than likely to be distributor or wiring related.

When it flashes off, the coil has been earthed (for a breif second) causing a collapse of the field within the coil creating the spark.
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