Road Glide Electrical Capacity
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Tourer
Joined: Jun 2009
Posts: 432
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From: Tennessee
Road Glide Electrical Capacity
I am interested in adding two things to my FLTR that will place a demand on the charging system. These include
1. Upgrade to the higher wattage bulbs (+80 watts)
2. Gerbings gloves and vest (vest 77 Watts and gloves 27 watts)
Questions:
Will the higher wattage bulbs create any problems with heat or charging system?
Total excess capacity over stock of the FLTR?
Thoughts from the educated would be most appreciated.
R. Todd
1. Upgrade to the higher wattage bulbs (+80 watts)
2. Gerbings gloves and vest (vest 77 Watts and gloves 27 watts)
Questions:
Will the higher wattage bulbs create any problems with heat or charging system?
Total excess capacity over stock of the FLTR?
Thoughts from the educated would be most appreciated.
R. Todd
Road Master
Joined: May 2005
Posts: 1,121
Likes: 3
From: Mass.
I'm not sure what the total capacity is but, I have run Moto Lights with 50 watt bulbs (100 total) Gerbings jacket, gloves and soles for a day/900 miles with no problems.
You'll have no problem with your setup.
You'll have no problem with your setup.
I think the question is more "how many amps are you drawing" I asked the same questions of my dealer when I added aux lites and hookups for heated gear to my fx. Never did get an answer to what the output of the bike is but general consensus is that the new charging systems will more than handle it. Here is a good test, start the bike and plug in stuff get rpms to 2000+ and check the battery voltage with all the lites even brake/tail/signal lites, gloves and liner, and gps plugged in i still get a 14 volt+ reading. It's charging fine
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Tourer
Joined: Jun 2009
Posts: 432
Likes: 5
From: Tennessee
RTV
Road Warrior
Joined: Jun 2009
Posts: 1,687
Likes: 9
From: SoCal & West TN
Here is the output Harley has had/have:
1970-1980 Big Twin = 19 amps
1981-1988 Big Twin = 22 amps
1989-1999 FX/FL Big Twins (EVO Softail) = 32 amps
1999-2003 FXD (and 2000 Softail Twin Cam) = 32 amps
2001-2006 FX/FL Big Twins (Twin Cam Softail) = 38 amps
2004-2006 FXD Big Twins = 38 amps
2007-2011 FX/FL Softail and FXD Dyna = 50 amps
1995-1996 FLT Big Twins (5 speed Touring) = 38 amps
1997-2005 FLT Big Twins (5 speed Touring) = 45 amps
2006-2011 FLT Big Twins (6 speed Touring) = 50 amps
1986-2005 Sportster = 22 amps
2008-2011 Sportster = 32 amps
Before 1970 the BT had a Generator.
Before 1986 Sportster also had a Generator.
1970-1980 Big Twin = 19 amps
1981-1988 Big Twin = 22 amps
1989-1999 FX/FL Big Twins (EVO Softail) = 32 amps
1999-2003 FXD (and 2000 Softail Twin Cam) = 32 amps
2001-2006 FX/FL Big Twins (Twin Cam Softail) = 38 amps
2004-2006 FXD Big Twins = 38 amps
2007-2011 FX/FL Softail and FXD Dyna = 50 amps
1995-1996 FLT Big Twins (5 speed Touring) = 38 amps
1997-2005 FLT Big Twins (5 speed Touring) = 45 amps
2006-2011 FLT Big Twins (6 speed Touring) = 50 amps
1986-2005 Sportster = 22 amps
2008-2011 Sportster = 32 amps
Before 1970 the BT had a Generator.
Before 1986 Sportster also had a Generator.
Last edited by Ultra89Rider; Feb 15, 2011 at 05:35 PM.
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Road Warrior
Joined: Jun 2009
Posts: 1,687
Likes: 9
From: SoCal & West TN
Average accessories that you are asking about:
Heated Garments 35-70 watts per person
Heated seat 30-40 watts
Passing/Fog/Driving/Aux
30-100 Watts each
Cell Phone 1-3 watts
Radar Detector 1-3 watts
GPS unit 2-6 watts
Portable Music Player 1-3 watts
Heated seat 30-40 watts
Passing/Fog/Driving/Aux
30-100 Watts each
Cell Phone 1-3 watts
Radar Detector 1-3 watts
GPS unit 2-6 watts
Portable Music Player 1-3 watts
Formula for watts/amps is Amps X Volts = Watts
32 amps X 13.5v = 432 Watts
32 amps X 13.5v = 432 Watts
Last edited by Ultra89Rider; Feb 15, 2011 at 05:36 PM.
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Joined: Dec 2010
Posts: 59
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From: Minneapolis
Not certain what the EFI and ignition pull. But remember this:
Volts X Amps = Watts. So if it draws 120 Watts, divided by 12 volts, you get 10 amps. Add up all of your lighting and accessories and you will get your answer. Hopefully there is an excess leftover from the alternator rating. Now also remember that the rated output of an alternator is at a specified RPM. You will be drawing the battery down at idle, but that's what it's there for.
Volts X Amps = Watts. So if it draws 120 Watts, divided by 12 volts, you get 10 amps. Add up all of your lighting and accessories and you will get your answer. Hopefully there is an excess leftover from the alternator rating. Now also remember that the rated output of an alternator is at a specified RPM. You will be drawing the battery down at idle, but that's what it's there for.
Road Warrior
Joined: Jun 2009
Posts: 1,687
Likes: 9
From: SoCal & West TN
Stock draw:
High Beam 60 watts (per head Light)
Low Beam 55 watts (per head Light)
License Light 5 watts each (2) (No they are not LED)
Brake/Tail/Turn Signal 21 watts (per bulb approximately)
Instrument panel 2 watts (per bulb approximately)
Late model have LED Instrument .02 watts
EFI computer 25 watts
Fuel Pump 60 watts (when on)
Electronic Ignition up to 50 watts
If you replace the lights bulbs with LED, you reduce the draw dramatically.
High Beam 60 watts (per head Light)
Low Beam 55 watts (per head Light)
License Light 5 watts each (2) (No they are not LED)
Brake/Tail/Turn Signal 21 watts (per bulb approximately)
Instrument panel 2 watts (per bulb approximately)
Late model have LED Instrument .02 watts
EFI computer 25 watts
Fuel Pump 60 watts (when on)
Electronic Ignition up to 50 watts
If you replace the lights bulbs with LED, you reduce the draw dramatically.
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