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Bought new bat. for 93 Fat Boy and the polarity was reverse and I hooked up just enough to see the bat. cable heat welded to the bat.term.. Now it is not charging the brand new bat.WTF did I fry ? AGM Fully charged it yesterday.Rode it and now theres no power to start.I think it is kinda obvious that something got fried? What would be the most likely component or components that got fried?
I'd look for a major fuse, switch, Relay Melted wires or insulation. So the battery drained overnight? Which indicates a bad short somewhere. I like to use the new led bright flashlight to do a through inspection of the wiring system in the dark.
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heat sync ??? if you dont trust mech answer get a second opinion or check fuses --relays--inertia switch then with a meter start testing starting system for damage or failure
So, for gasless MIG welding polarity (when using flux core wire), your MIG welding polarity settings should be set to direct current electrode negative (or DCEN). With DCEN, the negative terminal inside your machine is hooked up to your electrode (your MIG gun) while the positive terminal is hooked up to your ground.
Not sure what machine you have, but it should be DC straight (electrode negative or DCEN) and DC reverse (electrode positive or DCEP). The polarities have different characteristics. For example, if you're planning to TIG weld, you would either use DCEN or AC (if welding aluminum). For the general stick welding process, DCEP tends to give you a deeper weld. The welding rod you buy will have recommended machine polarity and amperage range settings, you should use the recommended polarity for whichever rod you're using because different rods are designed to weld under different circumstances. But, generally speaking, most welding rods for steel will work on DCEP without much trouble.
it doesn't matter which one you use because it's alternating current, normally the longer one is your electrode holder cable so you have more cable to move around with,but either way it will work, if it's a D.C. welder then all your doing is using reverse polarity and in some cases welding this type of welding is superior to straight polarity
I don't want to sound like "Chicken Little" here. I would in light of the potential possible issues strongly recommend taking your bike to shop you are comfortable with.
You just asked for what we think, the number of items that could be damaged are long, and with the bike sitting up for a while you may have other items that would need to be addressed to get it going. This may be one of those times where dropping it off at the shop is the best thing to do.
Hope this helps,
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