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FJR Motorcycle Forums
Technical & Mechanical Problems
Blowing main fuse - need some additional input
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<blockquote data-quote="infrared" data-source="post: 1430039" data-attributes="member: 68615"><p>Maddad,</p><p></p><p>You can get a clip-on ammeter, to learn which wire is carrying the short. You do not disconnect any wiring, just clip the single ammeter test-lead to one wire at a time. When the sometimes short is actively being a short, attach a DC power supply where the battery should be. They make current-limiting power supplies, so you can apply DC power carefully, and not burn up any wires. DC clip-on ammeters can read milliamps of DC, these days. I have used these things; they sure makes testing easy. I wish I owned such test equipment.</p><p></p><p>For a quick-and-dirty fix, just get a good front ABS sensor, the gadget-with-wiring that is powered by the connector that you unplugged to kill the short. You may find one for cheap on eBay, or bite the bullet and just buy it new. Install and try this new gadget, and see if the short returns. If that fixes the problem, fine. It's probably a fool's errand to figure out why the bad ABS sensor went bad, because it is unlikely that you would find what you need to fix it, short of another salvage-yard raid.</p><p></p><p>You may find a worn spot in the wiring that causes the short, and that could be repaired with some brush-on wire insulation, and maybe spiral-wrap protective sheathing, if you can find the high-temp variety.</p><p></p><p>You'd have to say more, before I can add anything more here.</p><p></p><p>Happy hunting.</p><p> .</p></blockquote><p></p>
[QUOTE="infrared, post: 1430039, member: 68615"] Maddad, You can get a clip-on ammeter, to learn which wire is carrying the short. You do not disconnect any wiring, just clip the single ammeter test-lead to one wire at a time. When the sometimes short is actively being a short, attach a DC power supply where the battery should be. They make current-limiting power supplies, so you can apply DC power carefully, and not burn up any wires. DC clip-on ammeters can read milliamps of DC, these days. I have used these things; they sure makes testing easy. I wish I owned such test equipment. For a quick-and-dirty fix, just get a good front ABS sensor, the gadget-with-wiring that is powered by the connector that you unplugged to kill the short. You may find one for cheap on eBay, or bite the bullet and just buy it new. Install and try this new gadget, and see if the short returns. If that fixes the problem, fine. It's probably a fool's errand to figure out why the bad ABS sensor went bad, because it is unlikely that you would find what you need to fix it, short of another salvage-yard raid. You may find a worn spot in the wiring that causes the short, and that could be repaired with some brush-on wire insulation, and maybe spiral-wrap protective sheathing, if you can find the high-temp variety. You'd have to say more, before I can add anything more here. Happy hunting. . [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Blowing main fuse - need some additional input
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