agunslinger Posted October 22, 2017 Share Posted October 22, 2017 Finishing the install of my fender eliminator and with key on checking lights a hear this high pitch whine/buzz. Its not loud but there. Turn key off goes away. My neighbor builds these super small drones and it kind if sounded like that. With the seat on and riding I suspect I wont hear it, but its triggering my OCD. And seeming electrical in nature worries me. Dont think i heard it previously. But often have music playing, this time I didnt. By ear i cant quite identify one spefic part, jist very close to battery. Component installed: CustomLED tailight kit with suggested flasher relay. Aftermarket fender eliminator off ebat, the one everone recommends here. Battery tender trikle charger. None of these items specifically seem to be the source of thr buzz. Really seems like battery or very very close to it. Want to attribute it to these new mods but they arr so basic and draw no more power than oem stuff. Any thoughts? Link to comment Share on other sites More sharing options...
Premium Member micah2074 Posted October 22, 2017 Premium Member Share Posted October 22, 2017 Maybe it’s the fuel pump. Let’s go Brandon Link to comment Share on other sites More sharing options...
agunslinger Posted October 22, 2017 Author Share Posted October 22, 2017 Thanks for the reply. Meaning i hust never noticed it before on previous trips under he seat? Fuel pump come on when key just set to first accessory spot, pre ignition? Link to comment Share on other sites More sharing options...
duhs10 Posted October 22, 2017 Share Posted October 22, 2017 Mine does it too.. doesn't worry me. Something electrical. I don't think its the fuel pump because the fuel pump makes a much more distinct noise when you first turn the key when it's priming the line. Probably some type of capacitor or resistor. '15 FJ-09 w/ lots of extras... Fayetteville, GA, USA Link to comment Share on other sites More sharing options...
norcal616 Posted October 22, 2017 Share Posted October 22, 2017 the service manual says the ABS unit runs thru a " self diagnostic " when it gets power and the ABS unit is near the battery... 2012 wr250f - C-class 30+ age group 2015 fz-07- Hordpower Edition-80whp 2015 fj-09- Graves Exhaust w/Woolich tune by 2WDW @120whp Link to comment Share on other sites More sharing options...
Premium Member micah2074 Posted October 22, 2017 Premium Member Share Posted October 22, 2017 Just went and checked. Mine does it too. Definitely not the fuel pump. I’ll go with the abs thingy. Let’s go Brandon Link to comment Share on other sites More sharing options...
agunslinger Posted October 22, 2017 Author Share Posted October 22, 2017 Cool. Thanks folks. Glad it wasnt an issue with new lights and relays. Must have the musicoud last times I was under seat working. Seemed lime a new sound. Link to comment Share on other sites More sharing options...
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