05wh250
New member
I'm looking to upgrade the wiring from my alternators. Im also looking at upgrading and adding a few grounds. Wondering what you guys are using for fuses from the alternators and if your upgrading the connections at the battery's?
Big 3 upgrades
- Thread starter 05wh250
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semmens3
New member
I'm curious about this as well. Also wanting to add a third battery on the frame for accessories
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ghohouston
Active member
I never did the big 3 on my sd, just for the fact these trucks already have decent sized wire, BUT, the alternator wire is a joke. I had a 270 amp alt, sundown 3000d (3000 rms watts) and 1/0 ran from the drivers side battery to the amp. Really never had any problems.
05wh250
New member
Thanks for the reply. I would like to upgrade the alternator wiring, was just unsure of the fuse size to use, mine has the stock dual alternators on it.
