Security system parisitic draw
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Stage II
Joined: Jun 2017
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From: Arkansas
Security system parisitic draw
I have a 2003 FLHRI with a parisitic draw of 25.7 amps and will drain a fully charged battery in about 48 hours. When I pulled the security fuse it dropped to .7 amps. The turn signal cancellation module seams to be working correctly (based on performance during ride). I am not sure where to go from here. I would appreciate any advise
Novice
Joined: May 2017
Posts: 15
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From: Las Vegas
First of all 25+ amps is a huge pull, even if you're in the Dyna world with an fl, I have a 2015 Securty system (fob no buttons) and I can go at least a week without running the bike and still start no prob, seems like something is on or draining the electrical system at an alarming rate, again 25 amps is a huge draw, I work on boats where a majority of the systems are 12 volt and I can't draw that many amps with radar, 2 vhf radios, a gps plotter and the nav lights on...it's hard to keep up with a 25 amp draw with a battery charger
Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
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From: Northstreet, michigan
That's insane. 25 amps should drain your battery in a couple hours. I don't know off hand what the spec is but I know on automotive applications it's supposed to be less than .035 amps (35 miliamps). I'd imagine that spec would be less on a motorcycle since there's a lot less modules that stay active. .7 amps still sounds high to me but maybe someone else will chime in on that.
Seasoned HDF Member
Joined: Jan 2015
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From: Sandy Eggo's North County
Originally Posted by Gnew
I have a 2003 FLHRI with a parisitic draw of 25.7 amps and will drain a fully charged battery in about 48 hours. When I pulled the security fuse it dropped to .7 amps. The turn signal cancellation module seams to be working correctly (based on performance during ride). I am not sure where to go from here. I would appreciate any advise
Edit: I see your correction now. Much better!
Last edited by NORTY FLATZ; Jun 7, 2017 at 05:19 PM.
Ultimate HDF Member
Joined: Apr 2012
Posts: 8,680
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From: South Carolina
Something is wrong. 25 amps is close to the draw of the starter motor. I would think an alarm system might draw something like 500 microamps or less.
Tell me how you measured that current draw and what type of meter you used.
Okay, I saw your edit.... I think 25 milliamps is a lot for a freakin' alarm system (especially on a motorcycle). But then again.... it IS a Harley Davidson...
Tell me how you measured that current draw and what type of meter you used.
Okay, I saw your edit.... I think 25 milliamps is a lot for a freakin' alarm system (especially on a motorcycle). But then again.... it IS a Harley Davidson...
Last edited by kontiki; Jun 7, 2017 at 05:49 PM.
Seasoned HDF Member
Joined: Sep 2012
Posts: 6,570
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From: almost there
put your battery on a battery tender for $25.
But still, a dead batt in 2 days, something not right.
But still, a dead batt in 2 days, something not right.
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