Turn Signal Indicator

Fuse selection is based largely on wire gauge and type, since the fuse is primarily supposed to save the wiring. If the contraption can be damaged by lesser currents, then fuse selection is based in the device (like a radio). For a simple low-current LED flasher system on typical bike wire gauge, a 5 or 10 amp will do...
 
Tail and gauge lights are on all the time so swapping them to LEDs does save meaningful amounts of battery power.
And while the brake light is only on now and then it's built into the same bulb so it automatically goes LED too.
But signals? While I admire the ingenuity of those who fit them it seems to me that LED signals ain't worth the all the hassle of getting them to work right for the comparatively short time they are on.
 
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