does the NSR suffer from cold solder joins ( i think thats what you call it when a soldered point goes bad? )

i put it all back together and tested it but lost my high beams again. ripped it apart and cut off the plastic sleeve that covers the wires, the wires look ok but when i move them around high beams come on and off intermittently this only happens when all the switches are still in the cover

when i remove the switches from the cover i dont get jack

from the wiring diagram bu/w is the wire that goes to the headlight relay is this what would power it as well? i think out of the cover all of it should still work which lead me to the cold solder join problem, so im thinking if i resolder it "should" work...

anyone have any ideas?