Question about 2008 Harley Davidson FLHTCU Ultra Classic Electra Glide

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Brake light swich on 2008 FLHTCU where is it located

Where are the brake light switches located front and rear

Posted by garysouza33 on

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Gregg Mahin

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Hi Garysouza23, this problem is usually cause by the front brake light switch being out of alignment or the button not retracting all the way keeping your brake light on in a closed circuit, depending on your model year. 1996 and earlier models the right handlebar switch housing had to be tight up against the front brake control housing in order for the front brake light switch button to be fully compressed to stop continuity. In 1997 and later models the button was alot shorter and was more of an alignment issue in the switch housing. Rear brake light switches located in the rear brake line TEE can also fail in the closed circuit condition but extremely rare, usually they fail in an open circuit condition where the brake light is not able to activate. For a free wiring diagram please visit the website below. Good luck and have nice day.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Jun 25, 2015

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5 Related Answers

wd4ity

wd4ity

  • 4565 Answers

SOURCE: Rear brake light not workiing

There are two brake light switches. One is in the right handlebar switch housing. This is front brake light switch and is a simple push button type switch actuated by the front brake lever.

The other switch is a pressure switch and it is located in a Tee usually somewhere under the bike near the rear of the transmission. Follow the metal tube coming out of the rear of the master cylinder. It will go back towards the rear brake. Somewhere in that line there will be a tee with the pressure switch in it. If you jumper across this switch, the brake light should work. If it does work when you do this but not work when you depress the rear brake signal, replace the rear brake light switch.

Good luck
Steve

Posted on May 27, 2010

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Anonymous

  • 69 Answers

SOURCE: How do I change the front and rear brakes on a

Not too hard - Undo the two bolts on the caliper and then seperate the caliper and pull the old ones out. Insert the new ones and put the bolts back in to hold the caliper back together and then install them back on the bike with the two retaining bolts. Use a bit of lock tight (Blue) on the threads. Warning do not let anyone apply pressure on the brakes while you have them off the bike or you will have a mess and/or a problem.

Posted on Jun 21, 2009

hardan

  • 33 Answers

SOURCE: 1997 HD TLE Sidecar to 2008 FLHTCU wiring harness (lights)

Does the sidecar harness have a square 4 pin plug? If it does it more than likely connects to the auxillary plug under the seat.

Posted on May 20, 2009

electraglyde

  • 15 Answers

SOURCE: No rear brake light on 2009 Ultra. Where is the

The rear brake is activated by a electric/hydraulic switch located in line with the rear brake line. It is located behind the rear brake pedal, and faces forward. It is about 3 1/2" long and an inch in diameter, cylindrically shaped. That is probably what is the problem is. You can check the wires for corrosion and connection first.

Posted on Sep 21, 2010

wd4ity

wd4ity

  • 4565 Answers

SOURCE: where is the brake relay

There is no "brake relay" on a Harley motorcycle. If you're talking about a brake light switch that illuminates the brake light when you apply the brakes, there are two of them. One is located in the front handlebar switch housing (throttle grip housing) for the front brake. The other is located underneath the transmission usually. Find the metal brake line coming out of the rear brake master cylinder and follow it back towards the rear brake. You will find a "tee" fitting with a pressure switch in it with several wires connected to it. This is the rear brake light switch. I hope this helps,

Good Luck
Steve

Posted on Apr 11, 2011

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2011 Harley Davidson FLHTCU Ultra Classic Electra Glide front brake light not working


Hi, JoAnn 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.
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Hi Raychapman58, it's too bad you can't find the very first and best tool you ever bought for your Harley Davidson. Despair not, for a mere $6.50 you may be able to download another one from the website below and good luck. Harley Davidson Manuals Mark Workshop

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Hi Anonymous, this problem is usually cause by the front brake light switch being out of alignment or the button not retracting all the way keeping your brake light on in a closed circuit, depending on your model year. 1996 and earlier models the right handlebar switch housing had to be tight up against the front brake control housing in order for the front brake light switch button to be fully compressed to stop continuity. In 1997 and later models the button was alot shorter and was more of an alignment issue in the switch housing. Rear brake light switches located in the rear brake line TEE can also fail in the closed circuit condition but extremely rare, usually they fail in an open circuit condition where the brake light is not able to activate. For a free wiring diagram please visit the website below. Good luck and have nice day.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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1 Answer

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There is no "brake relay" on a Harley motorcycle. If you're talking about a brake light switch that illuminates the brake light when you apply the brakes, there are two of them. One is located in the front handlebar switch housing (throttle grip housing) for the front brake. The other is located underneath the transmission usually. Find the metal brake line coming out of the rear brake master cylinder and follow it back towards the rear brake. You will find a "tee" fitting with a pressure switch in it with several wires connected to it. This is the rear brake light switch. I hope this helps,

Good Luck
Steve

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