Question about 2008 Buell Lightning XB12STT

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Brake Light Having trouble with the front brake lever activating the brake light. The rear pedal works great all the time. The front would not work at all. Ohmetered the lever switch and it is good. Checked the voltage at the lever switch and it is good. Wiggling the wire harness under the seat got it working sometimes. More wiggling and is OK for now. Has anyone else had this problem? Is there a specific connection or area I should check? Also

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Evidently it is a vibration problem and it shouldn't be! It is a 2006 I bought in April and it now has just 1100 miles on it. I have not ridden on any particularly rough roads. Check the lever switch,

Posted on Nov 10, 2008

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Hello, I have a 2005 1200 r Sportster. All of my lights work including turn signals. Problem is the the rear brake light does no engage either by using the front lever or the pedal.


Hi John:
There are switches at both the pedal and lever that activate the same brake light. Either you are not getting power to the switches, or it is not getting to the brake light (or the brake light bulb is burnt out). Try checking the bulb first, and while you have the bulb out, use a voltmeter to see if you're getting power to the bulb. Then check to see if you're getting power to the switches. I don't know if there is a separate fuse for that circuit, so check your fuses. Odds are you'll have it solved pretty quickly.
Hope this helps.

Apr 19, 2015 | 2005 Harley Davidson XL 1200 R Sporster...

1 Answer

Brake light


Hi Anonymous, if your front brake lever and rear brake pedal do not activate your brake light then there is a strong possibility your tail light bulb is bad. If you replace it and no brake light is activated then you have a wiring problem. I'm sorry you can't find the first and very best tool you will ever buy for your VRSCF. Do not despair, for a mere $5.50 you can download another one. Please visit website below:
Harley Davidson Manuals Mark Workshop
Good luck

Mar 09, 2014 | 2011 Harley Davidson VRSCF VRod Muscle

1 Answer

Brake light


Hi, Anonymous before diagnosing any brake light issue always check the bulb and fuse first for integrity a brake light staying on is usually caused by the front brake light switch, which is mechanical, not disengaging. On early models moving the throttle control housing closer to the front brake master cylinder is the main fix. On late models, the switch gets tweaked and needs to be realigned. A brake light that does not come on when the brake lever is applied can be caused by a faulty switch or no continuity in the wiring at the switch. The rear brake light switch is hydraulic and it is extremely rare to malfunction in a closed circuit condition causing the brake light to stay on. Usually, rear brake light switch issues are caused by no brake pedal free play or a sticky rear master cylinder piston. A brake light that does not come on when the rear brake pedal is depressed can be caused by a faulty switch, air contamination in the brake line, or no continuity in the wiring at the switch. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://forums.cycleworld.com/showthread.php?t=247836
http://www.starbikeforums.com/forums/48-road-star/3983-brake-light-fuse.html
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2003/LIT-11626-16-05_22.pdf

Sep 08, 2012 | 1998 Yamaha V Star Classic

1 Answer

2003 Dyna Superglide. Rear brake pedal won't activate the brake light. Front brake lever does activate the brake light.


Sounds like your rear brake switch or a connection or a wire is defective.

Please post a comment if you need or can provides more information AND if you are willing to share with tothers when you get a solution.

Aug 29, 2011 | Harley Davidson FXD Dyna Super Glide...

1 Answer

Rear brake light does not work tail light does need to know were brake light switch is?


Your bike is equipped with two brake light switch, either of which should cause the brake light to come on when activated. The front brake light switch is in the right handlebar switch housing and it has an activation pin that sticks out of the switch housing towards the front brake lever. A tab on the front brake lever operates the switch. When the tab on the lever moves away from the switch housing, the pin comes out of the switch housing and turns on the brake light. The rear brake light switch is a pressure switch located in the metal brake line that comes out of the rear brake master cylinder and goes towards the rear brake. Just follow the metal from the rear master cylinder towards the rear brake and you'll find it.

Good Luck
Steve

Jun 15, 2011 | Harley Davidson FLHT Electra Glide...

1 Answer

Brake light does not work??


Pull out a multimeter/dmm/voltage gauge
place on the two terminals of the brake light (after removing it)
pull the front brake lever or push the brake pedal both should cause 12V to appear at the terminals
if 12V does appear at the terminals in both cases the brake light is bad.
if the rear lever does not cause it to trip check to make sure the switch (which should be directly attached to the brake pedal/lever) is working by putting the multimeter/dmm across its terminals and testing for continuity when you activate it.
if the front lever does not activate it check to make sure the switch on the lever is working in the same fashion as the rear one.

Feb 28, 2011 | 1999 Yamaha FZX 250 Zeal

1 Answer

Rear brake light not working


The brake light is turned on and off by either of two switches on your bike. The front brake lever has a switch located in the right handlebar switch housing. When you squeeze the lever, a pad on the lever moves forward allowing the switch button to move forward making contact which in turn switches the brake light on.

The rear brake lever operates a plunger inside the rear brake master cylinder that pressurizes the rear brake and rear brake hose and line. The rear brake line has a tee fitting in it along it's run with a pressure switch in the tee. Once the pressure on the line gets high enough, the switch turns on the brake light.

If your rear brake light switch is not working, check to make sure the wires are on the prongs of the switch. If they are, replace the switch. It simply screws out and a new one screws in. Most of the time you don't have to bleed the brakes as long as you don't move the rear brake pedal with the switch out. Check the rear brake for proper operation prior to riding the bike.

Good Luck
Steve

Jun 17, 2010 | 2008 Harley Davidson FLHRC Road King...

1 Answer

My break light works with my front break but not with my back brake. Any idea?


The brake light is activated by a little switch near the brake lever for the front brake, and the rear brake pedal activates a electric/hydraulic switch mounted somewhere on your frame between the rear master cylinder and the brake caliper. It has to be in line with the rear brake line so it will be easy to find by tracing the line. It will be about an inch in diameter, have one or two wires plugged into on end, and uses a special socket to remove/install, although you can get away with channel-locks if you take care. If you decide to tackle the job yourself, buy the part before hand, and don't touch the brake levers at all until the new one is installed, you should not have to bleed the brakes that way.

May 11, 2010 | 2001 Harley Davidson FXSTB Night Train

1 Answer

No rear brakes, pedal goes all the way down and brake lights don't work, but they work off the fronts


You need to check you rear brake master cylinder. Something is wrong with this as your rear brake is not working. The brake light for the rear brake is activated by a pressure switch whereas your front brake light is activated by an normal push/release switch. Fix your rear brake problem and the brake light problem will be repaired as well.

It may be time to rebuild your rear brake master cylinder.

Jan 13, 2010 | 2005 Harley Davidson FLHTC - FLHTCI...

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