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Diagram
I couldnt say what each solder point is for, but I wouldnt recommend putting the wires anywhere your not supposed to.
When you say fuse, do you mean resistor? Putting a connection on the wrong side of one of these would give wrong voltage or signal info, so could be your problem
I have heard of people repairing solders with a hot glue gun (it sticks but does not conduct).
Good luck
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