CDI 414-2770 Mercury/Mariner Wiring Harness 2/4/6 CylinderCDI replacement wiring harness for use with 2/4/6 cylinder Mercury Outboards. CDI Electronics provides superior ignition and diagnostic solutions to the marine industry. CDI delivers superior product quality and reliability, making them a cost-effective alternative to OEM-supplied components.Fits: Harness exits through the side of the lower cowling 20 HP 2 Cyl. 1970-1981; 40 HP 2 Cyl. 1970-1981; 50 HP 4 Cyl. 1970-1981; 65 HP 4 Cyl. 1970-1981; 80 HP 4 Cyl. 1970-1981; 85 HP 4 Cyl. 1970-1981; 90 HP 6 Cyl. 1966-1979; 95 HP 6 Cyl. 1966-1979; 100 HP 6 Cyl. 1966-1979; 115 HP 6 Cyl. 1966-1979; 125 HP 6 Cyl. 1966-1979; 135 HP 6 Cyl. 1966-1979; 140 HP 6 Cyl. 1966-1979; 150 HP 6 Cyl. 1966-1979; Interchangeable With: CDI; 414-2770; Click to Download CDI 414-2770 Installation Instructions