Ok, i have a 1996 ford explorer. I have the stock alt, but big 3 is done. I have a red top under the hood, and a yellow top batt in the back. I do plan on upgrading my alt, but i want to know if this setup will stay at a cont 14 volt current. If not, what is my next step?? I was planning on running 2 15's with visonik 4000d amp, not lookin for all 4000 out of the amp, just around 2500. Let me know what you think!!! Thanks