Electrical help needed please

[mymomisbecky]

Good afternoon BBC. I have a dc190 nitro, and everything has worked great from the start.
Yesterday I bring the boat home from winter storage and I pop in the batteries.
2 troller and a cranker.
2 trollers work great, hold a charge, all that good stuff.
Here is the problem im facing.
When I switch on the main power switch, it turns on. Access light turns on, and the fish finder on the console fires up just fine. The livewell works, recirculate works, bilge works. Everything looks great.
Until I try to use the nav anchor lights. The light on the switch to turn them on lights up, but the lights do not. Also, the horn does not work. Also the trim on the motor does not work. And the front fish finder does not work. (when I hit the power button on the front fish finder i hear a clicking).
When I try to trim the motor I hear a clicking as well, like it is a dead battery. But most everything else works just fine, so I think the battery is good.

THere are 4 positive wire connections running to the cranking battery, and 3 black negatives. Could one of these wires be controlling the trim, front fish finder, horn, nav lights?
Any suggestions would be great. Its driving me up the wall.
And I switched out all the leads, with new terminal connectors just in case. the leads are all clean.

Thanks in advance.
Ryan