voltage regulator

I am having an issue with my internal regulated 370amp high output alt. I am running dual alts with my stock alt running the truck (04 Yukon Denali) , and the high output alt running my audio. I have a relay to power on my high output alt, my relay consists of power fused from cmaxx Battery...

I Alex Ulbrich (adulbrich) will be purchasing an external voltage control module from hispls for $70 shipped. He will ship it to Mitchell (wew lad) first, so he can test his alternators. When he gets the external voltage regulator, he will have a maximum of one weeks time (7 days) to test his...