Harley-Davidson refers to the electrical control module (ECM) as being plugged into the "electrical caddy." The location of the electrical caddy, however, varies according to motorcycle model. On V-Rods and Buells, the caddy is under the rear seat; Rockers and Night Trains require you to remove the rear fender to access the ECM. On most Harleys, the caddy is on the right side of the motorcycle,
