can testing the ignition coil on the car fry the computer?

Asked by Le May 23, 2018 at 09:57 PM about the 1994 Ford E-Series E-250 3 Dr STD Econoline Cargo Van Extended

Question type: Maintenance & Repair

If I connect ohmmeter leads across the primary winding terminals of the ignition
coil on the 1K ohm setting with negative battery terminal disconnected or
connected, could that fry the computer (PCM)?

3 Answers


Nope, there is no amount of voltage in the ohms setting that can cause anything like that.

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