2013 Night Armor Xterra S
Join Date: Jul 2017
Location: Vacaville, CA
~180ish amp Alternator Options
Hey all, I tried scouring the site yesterday and today, but I'm trying to find options for slightly upgraded alternators that aren't insanely (if appropriately) expensive.
As much as I WISH I could get the Rugged Rocks or Mean Green alternators I'm not sure I can convince my partner that dropping that much is necessary.
Why do I need a better alternator? AGM batteries. I've considered pulling off the VVC, but in all my research on this forum I've seen highly variable ideas about the impact of this. Some indicate no impact, others have mentioned CELs and other potential issues. Others say it's unnecessary, that the regulator in the alternator is good enough. A number of people here and on the frontier forums have successfully unplugged the VVC and run 1/0 wiring and achieved ~14.1 float which is optimal for the AGMs. Those with the VVC intact and 1/0 wire still only see about 13.6-13.8 which isn't quite enough for full charge.
So, I'm thinking a mildly more powerful alternator ~180 amps would do the trick. I tried looking around last night, but couldn't find an upgraded alternator for us that is less than $400. Do you know of one? Is that just standard for the materials? Other options for increasing output? Did anyone ever ask a Nissan tech about adjusting the set point? (I saw a mention about that on a related thread).
I don't plan on doing any muddy overlanding, so it doesn't need to be dunkable, but decent quality would be nice. If it's better for me to just save for a few months to afford RR or MG, I suppose I'll do that, but I also don't want to damage my batteries with improper charging.
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