So i decide to build on onboard welder for my rig. Ended up using a GM CS-130 alternator. Got a 140 amp stator for it from alternatorparts.com. Removed the internal diode bridge. Used a 150 amp 3-phase diode bridge that is used in plasma cutters and inverter welders. Mounted it with a big heat sink inside a project box. Also am using a rheostat to fine tune the field to the alternator. Since the output is isolated I can tig weld on my own rig with it.
This is a second alternator I have mounted. This will not work with standard charging system
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