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Thread: Headlight fuse blowing, do I need Aprilia dealer?

  1. #1
    apriliaforum newb
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    Headlight fuse blowing, do I need Aprilia dealer?

    Hello,

    On a 2014 Tuono the headlight fuse blows as soon as they try to come on.

    I've exhausted my limited abilities to diagnose electrical problems which was really taking everything apart and looking for any pinched or crushed wires shorting out.

    It's still a little cold around here to ride it the 2+ hours to the closest Aprilia dealer but there are a few really good mechanics close by that I've taken my Japanese bikes to with good results.

    My question is, is this something that I should let them touch or is it pretty mandatory for an Aprilia dealer to diagnose it?

  2. #2
    apriliaforum expert fr0st's Avatar
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    Id start by looking at the wiring near the steering.. where the cables bend.. near the forks..

    Also if you unplug both head lights.. does it still blow fuses?

  3. #3
    apriliaforum newb
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    Yes, I unplugged both headlights and the fuse still blows.

  4. #4
    apriliaforum expert
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    Hammond, Indiana - USA
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    You need a cheap volt-ohm meter or automotive test light and the wiring diagram to find the problem. Test between a connector point for the lighting circuit and ground. There shouldn’t be continuity. When you find continuity, you know the short circuit is somewhere on that length of wire.
    Hoosier, not hoser.
    2000.5 Mille R - Ti Shotguns & lots of Evo shtuff
    2016 Tuono 1100 Factory
    1983 Yamaha XJ650LK Seca Turbo
    2006 Yamaha FJR1300AE

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