As far as I know, the circuit breakers in our jeeps are not like a house, once they pop, it's like a blown fuse. You need to replace. I do not however have any experience messing with them, that's only what I've read here.
I believe the LOM really only sends info to the VIC to alert you to burnt out/not properly functional light bulbs. I'd imagine you could bypass it but I would rather recommend you don't just for safety sake.
That converter box style is only rated for a 4 wire standard trailer plug, Though I think it could be used to work alongside other input for a 7 wire. Still not sure why it would make all your tail lights go out but since it's related to overdrawn currents, it's not surprising
As to the box issue, definitely get a new box. It's not a self powered unit so chances are it's drawing too much power and somehow not blowing fuses in the process. Since that's the box you have, you can pick up one from U-haul no problem. There's plenty of other places but that's what I have experience dealing with(picked mine up there, $39 w/ tax). There is the kind with the "T" adapters and the kind where you actually splice the wires together. The latter is about $35, give or take for where you are. The prior is another $15. Either way, you will have to run a wire up to the battery or other good power source, any 15a tap IIRC. Give yourself probably half an hr for the job. 45-50 min if you have to end up testing it yourself like I did.
Edit: stupid question, the 7 wire is turns, brake, ground, reverse lights, +12v rail and power brakes, correct? That would mean you need a bigger one for reverse light function. Otherwise you would actually have a 6 pole connector with the +12v and brake booster line hooked up
1995 ZJ ltd, 4.0 i6, *cough stock cough* 253,xxx and still pumping strong
1998 Chevy Cheyenne K1500, 5.7L Vortec, mostly stock
*In peace, sons bury their fathers. In war, fathers bury their sons. - Herodotus
Originally Posted by JasonStebbins
We can call it the Whoosh King Catalog System. :D