2015 Freightl8ner Cascadia dd15 2 alternators hot burnt up

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Lowryder1210, Nov 3, 2024.

  1. Lowryder1210

    Lowryder1210 Bobtail Member

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    Nov 3, 2024
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    2015 Freightliner Cascadia alternators getting hot and burning up. So far we have burnt up 2 and possibly the 3rd one that is currently on the truck. Checked all wires, changed wires between alternator and starter, cleaned all post on starter and batteries, load tested all batteries. Any ideas? Alternator is getting up to 300 degrees
     
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