CDI Switch Box 2pcs for 50-275 HP Mercury Outboard Motor Power Pack 332-7778

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The package includes 2 pieces of CDI module switch boxes with ground wire.
1) If the black ground wire is not already connected to the CDI box, fasten to one of the 4 mounting holes on the outside of the box;
2) Fasten the other end of the black wire to a good ground spot on the engine;
3) If the engine uses an orange-colored lead that is connected to the box, connect this to the "Black/Yellow" stud on the new box.