Help - pls- fusebox issues

RE: 98 Ml320
I am fairly certain I have a fusebox issue.
Has anyone ever taken the fuse box apart? I ran a jumper once, did a mod
where the front aux lights would go on with the rear fog... I finally had them programmed at MB and when I pulled the jumper, some of the strands remained in the slot of one of the relays. I pulled the box out only to see that it's actually 2 sections, top and bottom.. has anyone ever split these??? I want to get to the inside or bottom area of where the aux light relay is.
I really have to get in there.. there has to be a stray strand of wire - it's causing havoc... help???
What I fear is that if I take the 2 sections apart, I don't know if all of the wires and sockets will remain in place.. thank you...

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