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techtalk:ref:elec30 [2020/02/08 23:35] hippysmack [The Doctor71'S 1974 xlh] |
techtalk:ref:elec30 [2020/02/09 18:28] hippysmack [The Doctor71'S 1974 xlh] |
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| ====== Ironhead Wiring Mishaps and Meltdowns ====== | ====== Ironhead Wiring Mishaps and Meltdowns ====== | ||
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| + | See also illustrated [[techtalk:ref:elec07|1959-1985 Sportster Main Wiring Diagrams (created with reference to the OEM manual)]] in the REF section of the Sportsterpedia. \\ | ||
| - | It's important to have some sort of fail safe mechanism whether a fuse wire, fuse or circuit breaker inline between the battery and the voltage regulator. \\ | + | It's important to have some sort of fail safe mechanism whether a fuse wire, fuse or circuit breaker inline between the battery and the voltage regulator. ((The Doctor71 of the XLFORUM http://xlforum.net/forums/showthread.php?p=5805036#post5805036)) \\ |
| - | Else you can unsuspectingly experience a experience a dead short, melted wiring or even watching your bike go up in flames (literally). \\ | + | Else you can unsuspectingly experience a dead short, melted wiring or even watching your bike go up in flames (literally). \\ |
| It appears that HD's quick fix in 1974 to the meltdown was Service Bulletin #659 adding a fusable wire inline from the battery. \\ | It appears that HD's quick fix in 1974 to the meltdown was Service Bulletin #659 adding a fusable wire inline from the battery. \\ | ||
| [[techtalk:ih:elec02#fuse_wire|Clich here to see more on the fuse wire]] in the Sportsterpedia. \\ | [[techtalk:ih:elec02#fuse_wire|Clich here to see more on the fuse wire]] in the Sportsterpedia. \\ | ||
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| It's important to have some sort of protection on the main circuit. \\ | It's important to have some sort of protection on the main circuit. \\ | ||
| If it applies to your ride, you can ward off a potential meltdown in multiple ways. Do whatever works for you: | If it applies to your ride, you can ward off a potential meltdown in multiple ways. Do whatever works for you: | ||
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| The subsequent dead short heats up the wires, melting them and triggers the carnage shown below. \\ | The subsequent dead short heats up the wires, melting them and triggers the carnage shown below. \\ | ||
| At this point, the motor is dead, no lights, no nothing. You're stranded on the side of the road, wondering just what happened. \\ | At this point, the motor is dead, no lights, no nothing. You're stranded on the side of the road, wondering just what happened. \\ | ||
| - | ===== The Doctor71'S 1974 xlh ===== | + | ===== The Doctor71's 1974 xlh ===== |
| This happened to my 74 XLH and all initially started by a broken horn bracket: \\ | This happened to my 74 XLH and all initially started by a broken horn bracket: \\ | ||
