Simple fuse box fix?

YOU ARE MAKING PRGRESS!!!

There is VERY LITTLE between that common point and the battery, now find out where you "lose" the problem

1....Move to the ammeter and put your light one each post, again turning on the key or the lights

2....Both ammeter post tests goes out?.......Check the bulkhead connector where the big RED goes through, and the fuse link OR it's the red wire wire end right at the ammeter

3....NEITHER ammeter post loses power? It's in the welded splice I mentioned earlier

4....ONLY ONE ammeter post loses/ goes out? Then it's right there, either a bad wire end on one of the ammeter wires, or inside the ammeter