Raymarine Volvo Engine Evc Link Cable, 1m

I'm going to just use this EVC SI unit which comes off with d6 for 3500 and I wanted to just show you a little bit as if you remember maybe not everything along here is giving you a color code and it's giving you a letter designation and it actually spells out what it is so for example I know you can't see it that far away X or key switch it's gray then colorblind maybe it's blue X 7 controls that looks blue to me x2 data what goes down to the engine to the PC you so that is the major connection that connects from the helm to the engine but it goes to the PC not to be ECU which is the engine control unit so the piece you again is your middle and that's where this connects to and then the PC you connects to the HSU alright your x3 aux bus this is the old generation system and this is a J 1587 connection that connection doesn't really tell you what it's for but when we go on the back of t