Engine Wiring Harness Mercury Outboard | CDI 414-3369 CDI ELECTRONICS Mercury Internal Engine Harness | 414-3369 Internal Outboard Engine Harness Internal Engine Harness Harness exits through the side of the cowling Fits 1977-81 20 HP, 1976-79 50 HP, 1978-79 80 HP, 1976-77 85 HP engines Replaces Mercury 84-64997 Replaces Mercury 84-73369 Replaces Mercury 84-73369A1 Replaces Mercury 84-73447 Replaces Mercury 84-73447A1 Replaces Mercury 84-76295 Replaces Mercury 84-76295A1