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Big 3??

meirikm
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meirikm Enthusiast

meirikm

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Hey all, so I’ve been looking into doing the big three upgrade for my electrical. I understand the typical way of doing it. But with our trucks having the bcm sensor, what’s the best way to do this? I saw a video where a guy was given instructions by Mechman alternators to do a “big 2” instead with 0 gauge wire. The ground would run through the sensor from the battery to the alt and the power from the alt to the positive battery terminal. Anybody do this before? What is everyone doing about the bcm sensor?

 

 

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