MSD coil ground

General engine tech -- Drag Racing to Circle Track

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Dragsinger
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MSD coil ground

Post by Dragsinger » Tue Aug 14, 2018 2:46 pm

Some MSD coils are packaged with a ground wire that jumps around the rubber mounts to ground the coil body. What is the function of that ground wire?
Larry Woodfin, Flyn with the Race Bird

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Re: MSD coil ground

Post by Tuner » Tue Aug 14, 2018 3:28 pm

To ground the secondary winding to the cylinder head(s).

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