New Cdi For Mercury 3&6 Cyl Switch Box Power Pack 50-275 Hp 332-7778

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. Black/Yellow" Stud on the New Box. 1x Swithch box. If the Engine Uses an Orange Colored Lead That is Connected to the Box, Connect This to the ".