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FAQ
MSD Ignition – Ignition Boxes, Coils & Spark Plug Wires
The MSD coil pack wiring diagram for my Ford Zetec differs from the Motorcraft one (cylinders 2 and 3 swapped). Which is correct?

The MSD coil pack wiring diagram for my Ford Zetec differs from the Motorcraft one (cylinders 2 and 3 swapped). Which is correct?

Always follow the firing order/wiring of your own engine and ignore the generic drawing. Also verify that the wires have the correct boots on the coil side.