Suzuki - Engine Interface Cable - DF 9.9B thru DF 300 (2008-2012) - 990C0-88149-294 An integral part of the SMIS data system, the engine interface cable connects your Suzuki outboard to the SMIS engine interface. (An adapter cable is also needed for "Fly by Wire" applications). Applies to the following Suzuki outboard models: DF9.9B thru DF300 (2008-2012)