Question about 2000 Harley Davidson FXSTS Springer Softail

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I'm trying to install A head lamp on my 2000 fxsts The manual shows a white and yellow wire need to know which one is high beam

The Factory manual I have list's three wires going to head light Black/ground Yellow and white It doesn't list which is high or low beam.

Posted by Anonymous on


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  • Harley Davidson Master
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Hi Anonymous, I believe it's the yellow wire. Good luck and have nice day.

Posted on Jun 24, 2015


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Posted on Jan 02, 2017

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SOURCE: high beam blows fuse

If I recall, they have a problem with wires chaffing under the fairing. Good luck the fairing has to come off.

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: Trying to install a harley davidson tach on 2007

The pink wire goes to the pink eng rpm signal wire coming from the ecm. Go to the stealership and ask 'em to show you where it is.


Posted on May 01, 2009

  • 31 Answers

SOURCE: How to wire a tach on 05 heritage softail

Locate & route Black lead to ground / 2004-later softail: On the frame strap under the seat directly in front of the battery.

Locate & route the pink lead to Signal / For 2004 & later FXST/C/I The #3 cavity in the connector {39b} on the back of the speedometer. The socket terminal on the signal (pk) lead fits the #3 cavity.

Locate & route the Orange and white lead to power / Ummm.. it's saying for 2004 and later to adapt to the fuse block For earlier [ For 1996 to 2003 softail: locate the power lead (o/w) in the tail lamp pin connector {7a} under the seat behind the right rear corner of he battery.] "here you are looking to run it to a fused line, not directly to power/battery" I hope this helped.

Posted on Sep 19, 2009

  • 3 Answers

SOURCE: needing Wiring Diagram for 2000 FXSTS Harley

Try the following link

Posted on Jan 12, 2011

  • 4565 Answers

SOURCE: i have a 99 harley

If you have three wires going to your original tail lamp, you're probably right that one is ground, one is the brake light and one is the tail light. Since you say the black wire was grounded in the OEM tail lights this leaves you only two wires, one for the brake and one for the taillight. Simply turn on the ignition switch to turn on the headlight and you one of the wires should go "hot" or have electrical power on it. Use a volt ohm meter to figure out which one, Once you find the "hot" wire, this is the tail light wire. Then, step on the rear brake and the other wire should go "hot". This is the brake light and should be the brightest of the two filaments in the tail light bulb.

Good Luck

Posted on Mar 16, 2011

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Minimal low beams on one side, no high beams on one side subaru

What year and model is your subaru ?

Is it a singe ground issue? Fuse? ?????????? Without doing some testing we would be just guessing. You need to test the electrical circuit to know for sure . Voltage drop testing !
Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
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You need a wiring diagram so you know what wires to test . Free wiring diagrams here Enter vehicle info. Year , make , model and engine size . Under system click on lighting ,then under subsystem click head lamps . Click the search button then the blue links. Look at the wiring diagram to see what all is involved in making the head lamps work .

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Putting in new headlamp. It wired different that the stock lamp and would only light on high beam. I tried to wire it as the old one and when I hit the switch I heard a "pop". I expected it...

I'm not familiar with the '06 Sportster but I'd guess that the "black box" with four prongs is the starter relay though not sure. The relay is a cube of about one inch on all sides with all the prongs on one end that plugs into a socket. I'm sorry that I don't have a schematic for your bike either. To figure out the wiring, disconnect the light and make sure all wires are not touching anything. Use you meter in the OHMS position to find which wire is the ground wire, usually black. Then, turn the switch on and put the light switch in low beam position. Use the VOLTS position of your meter to find the "hot' wire. This will be your low beam wire, usually yellow. The change the switch to high beam and find that "hot" wire, usually white and there are two white wires. The "cold" white wire goes to your high beam indicator. Use your meter in ohms position to find the ground prong or wire. It will be the one that shows continuity when you touch each of the other two, the rest of them will not do that. This is the ground. Then wire the light. Test the high and low beam and if reversed, change the wiring to match.

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Jul 17, 2011 | 2006 Harley Davidson XL 1200 C Sportster...

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I have a 2005 lowrider. There are 3 wires that go to the headlight. Black, White, and Yellow. I trashed the bulk connector to install a headlight modulator. I need to remove the modulator because is...

The black wire is the ground wire. The yellow wire is the low beam light wire. And there should be two white wires. One wire is the hot wire that comes from the switch and is the high beam light wire. The other white wire connects to the bulb along with the other white wire and it's for the high beam light indicator, the blue light that comes on when you switch to high beam. To determine which connection is the high beam connection on the light itself, connect a hot wire to one connection and then the other. One will be brighter than the other.

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Jun 30, 2011 | 2005 Harley Davidson FXDL - FXDLI Dyna Low...

1 Answer


Well, it depends on the year model of your bike. The older bikes, 1999 and earlier, used a yellow wire for the low beam and the white wire for the high beam. There are usually two white wires. One for the headlamp and one for the high beam indicator. The black wire was for the ground.

Good Luck

Jun 08, 2011 | Harley Davidson FLHTC - FLHTCI Electra...

1 Answer

The high beam blue light on the binacle remains on whether dipped or not?

Evidently the high beam indicator light (blue) is improperly wired. It should be wired with the yellow wire going to the high beam of the head light. You'll probably need a schematic to determine where the light should be connected. I'm sorry but I don't have a schematic for that bike. Harley used a white wire for the low beam and a yellow wire for the high beam for years but I think they changed on the late models.

May 20, 2010 | 2000 Harley Davidson FLHR-FLHRI Road king

1 Answer

I replace my front light,sporter harley 2007,now the light came with 3 wires, and the cycle have 4 , how I can connect,

What color are the wires from the light and from the wiring harness? If there are two white wires somewhere, one is probably for the "high beam indicator" light.

My latest wiring diagram shows.

Black as ground
Yellow as low beam
white as high beam and high beam indicator lamp.

Hope this helps.

Dec 28, 2009 | 2006 Harley Davidson XL 1200 L Sporster...

1 Answer

Bright lites indicator out, recently installed head lite modulater

The "high beam indicator" lamp gets it's power from the high beam wiring to your headlamp. Usually, it's wired in parallel with the high beam filament. The high beam filament is usually powered by the white wire going to the headlight. Evidently, this circuit has been bypassed by the modulator.

Oct 08, 2009 | 2002 Harley Davidson XL Sportster 883

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I need to replace the headlamp wires on my 1992 HD heritage classic. Is there any diagram and how to directions available

white is high beam ,yellow is low beam, black is ground. yellow also feeds the passing lamp switch,blue from the lighting circuit breaker feeds the light switch.the factory manual has the entire bikes schematic.

Sep 03, 2009 | 2001 Harley Davidson FLSTC - FLSTCI...

1 Answer

1998 heritage softail

Hi Keeto, the factory wiring is designed so the passing lamps on come on with the low beam, and go off when the high beam is activated they didn't want to blind oncoming drivers. You need to run the passing lamp wires to a seperate switch if you want total control. Good luck and have nice day.

Mar 16, 2009 | 2003 Harley Davidson FLSTC Heritage...

1 Answer

Head lamps

On the left handlebar the beam switch has an input wire and 2 outputs. The yellow output is low beam and the white is high. The wiring harness exits the switch housing and resides in a dimple on the bottom side of the handlebar. This is a very easy place to pinch a wire. Have you replaced grips or installed chrome switch housings? Yank the connectors off the headlights and try it again. If you have a broken filament that is touching the other filament it will draw way too much current, and if it doesn't kick with the lights unplugged then one or the beams is bad. One other thing that is rare: I have seen a failed dimmer switch turn on high and low beam at the same time. Temporarily install a higher amperage fuse that won't blow and look at the filaments through a welding hood to see if they are both on. Do this last.

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