looking for the external wire harness from the motor plug to the control box for a '74 merc 1150 s/n 3944682.<br /><br />I've tried merc parts express, but it does not recognize and s/n that old, mercruiserparts.com does not have it listed in the various parts diagrams, and local shops are clueless or unwilling to help with a motor that old.<br /><br />any help would be appreciated
