I know this is not the correct forum for this question but I wasn't getting any feedback on the electronics forum. I installed my 858ci HD DI combo on the console & put the transducer on the bow but I also want to us my Ipilot U2 on the front. I don't want to install a depth finder up front because of the lack of room. I've read about the HB TS3 switch but what other hardware will I need? Any info would be much appreciated.