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Well the 2014 Hurricane may still use the RV Custom BCC unit (black box for controlling battery connections and charging, mounted on Driver side engine bay front). Not sure if that is what you mean by after market fuse box on driver side engine in your comments? If you have the BCC then refer to my attached schematic which shows the Accessory relay on connector P5 which "may" control some of the loads you talk about (right side of schematic). This relay is mounted on the BCC circuit board, so if it has failed or has bad contacts it may be a tricky and costly repair (if the board needs replacing). You could try just burnishing the contacts of the relay, but removing the board from the BCC requires careful disconnection of all batteries and power from the coach for safety. Also if you have the BCC then the interconnect relay needs to close to connect the coach and chassis batteries (alternator charging) in order for the coach batteries to also be charged. The interconnect relay is controlled by the electronics on the BCC circuit board which senses voltage levels on battery strings and charges them accordingly.
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