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Home >> Infiniti >> 1995 >> J30 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing 3.0L >> Ignition Checks >> DISTRIBUTORLESS Ignition System Checks >> Ignition Coil Power Source

Ignition Coil Power Source

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  1. Turn ignition off. Disconnect ignition coil relay harness connector. Turn ignition on. Connect negative voltmeter lead to ground. Connect positive lead to one harness Yellow/Black wire and then to the other Yellow/Black wire. Battery voltage should be present on both terminals.
  2. If battery voltage is not present, check harness continuity between ECCS relay and EFI harness connector (Yellow/Black wire) and 7.5-amp fuse in fuse box.
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