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NIPPONDENSO Electronic Ignition System: Testing: Notes

NOTE: Be sure all connections are correct, as reverse battery polarity within the system will damage the ignitor (ignition control unit). Do not disconnect battery while engine is running or transistors may be damaged. Do not allow water to enter ignitor. If a tachometer is connected to system, connect tachometer positive lead to coil negative terminal.
Fig 1: Ignition Coil Test Points
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