That would indicate there is significant resistance in the circuit not related to the alternator output connection at bulkhead.
The direct wire to the battery removes the ammeter from the flow to the battery. If done correctly it will no longer indicate charging.
Be aware that the direct wire also a direct path for battery shorts.
I went through and checked resistance was normal, once I was able to run it for a while and drive it, it has dropped down the highest I saw was 14.5v and on curb idle it was like 13.0 to 13.9 dependent on the engine speed
I did see that when I was researching it but I am running a voltage gauge
I do plan on adding in something between so that I won't have problems with that, so far driving it around it has fallen into normal range on voltage