I have an existing kill switch. Can I install the MOB+? FELL Marine July 02, 2021 12:59 Updated Follow Yes. MOB+ is easily installed using wires from your existing kill switch. Please see installation guide for instructions. Related articles Download User Manuals as PDF General Wiring Guide Do I have to install the xHUB in a fully visible position e.g. in the front of the console? Is my system Gen 1 or Gen 2? Evinrude engine not able to stop engine after MOB+ installed