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128 Posts
Hi guys, new to the forum and I’ve been doing a lot of reading these past couple days but I can’t find anyone with quite the same problems that I am having. I recently bought a 2005 6.0l with 215k. Driving around the past two days I have noticed that occasionally at idle (seems to only be when the truck is warm) my charging volts will drop down to the mid 11‘s and possibly quick taps on the lower side. The woman that I bought the truck from put a 180 amp DC power engineering alternator on the truck recently and said that the batteries were also recently replaced. Does anyone have any insight for me? I am leaning towards a bad alternator but it’s hard to believe that a lightly used 400+ dollar alternator is bad already considering that they only used it to tow their camper A few times a year. Thank you all in advance for any information you’re willing to give!