I have an existing kill switch. Can I install the MOB+? FELL Marine December 19, 2017 13:32 Updated Follow Yes. MOB+ is easily installed using wires from your existing kill switch. Please see installation guide for instructions. Related articles I do not have an existing kill switch. Can I install MOB+? I have an outboard engine, but no console. Can I install the MOB+? Download User Manuals as PDF Do I have to install the xHUB in a fully visible position e.g. in the front of the console?