CDI Electronics Engine-side Harness for 1976 to 2005 Mercury 2-Stroke V6 135, 150, 175, 200, Black Max, XRI, XR2, XR4, XR6, 225 Pro Max, 245 HP, 260 ROS, 300 Drag Outboards with Rectifier Wire to charge your battery. Fits all 2.0, 2.4, and 2.5 Liter powerheads including  Carb, EFI, Offshore, and ROS.
 
Part Numbers
87266A1, 96220A2, 96220A4, 96220A7, 84-96220A4