Today I opened my broken alternator. Last night my little battery light in my truck turned on and on my onboard ammeter I had no charging voltage. Turns out after taking it apart that one of the springs in one of the pictures, well wasn't a spring anymore. What had happened is that the brush material had wore away on one of the connections. This meant that the alternator wasn't getting the exciter signal to turn on. I fixed this by using an old spring and taking an old starters brush material and cutting it to fit and it worked! I also took apart my starter that finally gave up. It also just needs a new set of brushes I believe.
5hrs
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