Hey guys...Okay so i had never really payed attention to this before...I noticed it after i got my excessive amperage 250 amp alt installed. I got a new serpentine belt and new idler pulley (just the pulley not the whole assembly). In this year jeep, the idler pulley is spring loaded and supposed to move some (that is what the dealership said), but i have started noticing a trend....When the pulley moves (almost like it is letting tension go) then it makes a noise and the voltage drops or rises. It dims my lights, as you can see in the video the lamp under the hood dims, and my stinger volt meter shows it too. I don't know if it is the whole assembly which is 75 more dollars that i do not have atm lol. So, does anybody have any suggestions?? I am attaching the video below... Any help is appreciated
VIDEO0128.mp4 video by loganwade112493 - Photobucket
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