because I'm doing alot up wiring upgrades for power and ground can anyone tell me can I run my power wire from the alternator directly to the battery and then have a 100a fused run from battery to pdc?
I have 2 runs of 1/0 from alt to fuse to pdc and 2 runs of 1/0 from pdc to battery and that tiny post is a bit difficult to get multiple large lugs so my only option now this idea or just make a bussbar
96xj 4.0 h.o.​​​​

 

Thinking no. Idea for the fusible link from the alternator to the PDC to the battery is so neither one blows up.
If you do what I think you are trying to do there is no protection for the battery.
Why are you running all that wire any way?
One wire from the alternator to the mega fuse, another wire from the mega fuse to the PDC, and another from there to the battery.
Or you can do what I did, stole this idea from other people, and put the mega fuse in front of the PDC.

One wire from the alternator to the left of the mega fuse located on the PDC and another wire from the right of the mega fuse on the PDC to the battery.
Also notice how my lugs are on my positive battery terminal?
Back to back so they bolt flat.

EDIT: Almost forgot. If you are putting in a bigger alt should probably go with a bigger mega fuse.
Whatever the amps are on the alternator use that amperage or go one bigger for the mega fuse.
136 amp alt I would go with a 150 amp mega fuse for example.

 

No i intended to run fuses from the alternator to the battery. I already have fuses going from the alternator to the pdc 2x 350amp because I'm running a 320amp alt but I wanted to run the wires from the 2 fuses to the battery and run another independent fused wire 150amp from the batt to the pdc.
I also flipped the rings so they would sit flat but its still alot on that little bitty stud on the pdc.. i just don't know if the pcm uses the voltage coming into the pdc as a part of the regulator in the pcm..
now as far as your mega fuse idea I was thinking something along the lines of that my getting a aluminum bar for like milling and drilling a recessed hole for the stud on the pdc and have bolts on each end for alt and batt...

 

You lost me on the wiring. But that is me. I am going to need to see a diagram of what you are talking about. Words are not working. LOL.
I think I kinda understand your aluminum bar thing. Kinda a home bus bar?
I guess I am just confused why this stuff is not running from the battery to whatever it powers with a fuse some where along the way.
In case you did not notice the additional stud in front of the PDC that I added for the mega fuse is a battery terminal bolt.
Only square head bolt I could find so it could go into that unused square slot in front of the PDC. I did have to cut it down
to make it the same size as the other one.

 

Nice alternator. I run a 250 amp and love it. No 100 amp fuse naturally since it could take that out with dual batteries. The battery design affects how much charge it can take. The conventional lead acid battery will restrict how much charge it can take anyway due to the rate the acid converts back to sulfuric acid. The AGM batteries on the other hand will take a 100 amp charge no problem, and they do recharge very quickly.

 

I'll pot a few pictures tomorrow when I can of what I'm trying to do ... basically just trying to see if the pdc has to see the alternator voltage or can it just use power from the battery.. not sure how dodge chrysler designed their external voltage regulator and if the pdc depends on seeing the fluctuating power from the alt or its just how they designed it 🤔...
and if it must go through the pdc then I'll just make a bussbar from aluminum.

What im doing may seem odd to some but im building a very power hungry audio system so I need alot of power and I do intend on removing the sla batteries and replacing them with either all lithium or all agm haven't got to that point yet..
its all going to be on fuses because no fuses is gonna mean a bad time lol..

so just to recap I have a 96 xj 4.0 with a 320amp alt
2 runs of 1/0 from alt to 2x 350a fuses and from the fuses to the pdc and from the pdc to the battery but because that pdc stud is so small getting 4 1/0 lugs is a struggle so i wanted to see if it has to run from alt to pdc or can I run fom alt to fuse to batt and then go from batt to fuse to pdc with just 1 wire going into it