Interestingly, it seems to be "normal".
This person noted the same, for a minute i thought i was reading a post of mine as he even has the same name:
http://www.thirdgen.org/forums/electron ... drops.html
Seems as though it's common and alternator related during high load, but appears to be not causing harm. Down the line if i get the chance, i may upgrade the alternator to a 140amp one. For now.. looks like it can be left as is.
There are quite a few posts along the same lines:
http://www.thirdgen.org/forums/esp_sear ... e&type=gcs
I'll still do the headlight relay upgrade for good measure to shorten the pathing. I have long weekends for the rest of the month as i haven't used all of my holiday up for the year, so that will help with getting things done!
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