Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Ignition Coil Power Source
1992 Infiniti M30 2D ConvertibleSECTION Ignition Coil Power Source
- Disconnect ignition coil relay harness connector. Turn ignition on. Connect negative voltmeter lead to ground. Connect positive lead to harness Black/White wire and then to harness White/Black wire. Battery voltage should be present on both terminals.
- If battery voltage is not present, check main harness connector, fusible link "G" in relay block, harness continuity between ignition coil and ignition switch, and harness continuity between ignition coil relay and battery. Repair or replace as necessary.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.