DOC HARLEY: BRAKE LIGHT DIAGNOSTIC

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Doc Harley from the Service Clinic at Low Country Harley-Davidson to help you with the health of your motorcycle! This week he explains how to diagnose a brake light failure.
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Doc Harley is a motorcycle technician at Low Country Harley-Davidson with over thirty years working on motorcycles. Over the years at the dealership he has worked on Harley-Davidson, Buell, and Triumph motorcycles with a few other brands here and there from trade-ins. There are thousands of how-to videos out on RU-vid and other websites across the world. Doc’s goal is to help solve problems that people run into when using their service manual, share insights only found as a certified Harley® technician, and some of the tips he’s picked up over the years.
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Low Country Harley-Davidson, 4707 Dorchester Road, Charleston, SC 29405

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1 окт 2024

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Комментарии : 257

@hardbodymini 3 года назад

Ok what about no brake lights on either. And the bulbs are good

@williamselley6456 3 года назад

Hey Ken I'm aving the same TROUBLE no brake lites. What was UR DIAGNOSIS AN DID U CORRECT THE PROBLEM.

@charliescott1460 5 месяцев назад

Hay doc don't no how often you read the comments but I'm having a issue with brake light on my 95 electra glid the light stays on figured it was switch so changed it took handle off when you push switch light goes out is my rear brake now sticking driving me crazy

@LowCountryHarleyDavidson 5 месяцев назад

I believe you have diagnosed the problem. Stock right lever? If not replace. Stock switch block? If not replace. Take the time to remove the front brake switch ( leave the wires attached) examine the switch. Pushes in and out easily? If not replace. Is the little copper wedge behind the switch present? If not there is the answer…Doc

@charliescott1460 5 месяцев назад

OK thanks doc will give it a try I have a new switch for handle bar switch seemed to work easy but willstill take it out

@puntillojoe 3 года назад

Thanks Doc for that very helpful tip. On my 2006 Ultra the front brake switch spring was week and didn't activate the brake light I redid the master cylinder with a strong spring and replace all the brake fluid all at the same time.

@roymackeys 3 года назад

These are great videos!!! They sure beat backyard "Bob Weaver's" nauseating head mounted camera videos!!! No long winded rambling and right to the point. But yes I am also stumped with brake light not working when both pedal and lever is pulled....

@wickedgamer1721 Год назад

I changed my bars and my rear left brakes not working which makes no sense to me nothing was touched back there lol

@cagataydemiran5407 Месяц назад

Thanks Doc. from Turkey. I inspect my rear brake light and yes a piece of wire shows my brake switch must be change. I have 2010 vrscdx (abs version) and im comfused how to change it right. hydraulic hoses very brittle and can i unscrew them? there is no information about this issue. Thanks for reading my message.

@LowCountryHarleyDavidson Месяц назад

This is one of the most difficult jobs to do on this V-Rod. The location is in a tight area as you know. With brittle lines I would remove as much of the surrounding items. There is a place on the switch fitting for a wrench to hold the line so you can remove switch….Doc

@americanfreedom1 13 дней назад

I've had my 04 fxsti for 5 years and it's been very dependable and trouble free since I first fixed the inner tank fuel line. 3 weeks ago I washed the bikr off and it decided to start blowing two different fuses. The fuse for the lights which is the lower middle fuse and it would blow the fuse to its immediate rights which would be throttle side fuse. Tail light would not work blinkers would stay lit up brighter. I don't have any brake light coming on only a tail light now and it's not blowing fuses I believe it could be the tail light assembly. Haven't read much on it but did read a short post that said the tail light has a circuit board that can go bad and I'm thinking that's the problem I'm having. Is that something that you have encountered with Harleys around that year model. My son's 04 carbureted FXST tail light did not work the same as mine. His blinkers are blinkers and his tail light is a tail light brake light but on mine I have red tail light lenses on my blinkers and they act as turn signals running lights and tail lights along with the actual tail light

@LowCountryHarleyDavidson 12 дней назад

You know your rear lights are not factory standards. I would disconnect the little black box that converts your turn/tail/brake lights and go from there. …Doc

@kencalip6129 20 дней назад

Doc i have power in both wire at the rear switch??? Help me out!!!

@LowCountryHarleyDavidson 20 дней назад

Your front switch is broken in the on position…..Doc

@kencalip6129 20 дней назад

Even if he front brake lever is acuating the relay to hear the audible clicks??

@daviddunn5264 3 года назад

Awesome tips like always 👌 Thanks Doc. Merry Christmas

@dalepoe6620 Год назад

What's the part number for a rear brake light switch for a 2006 Harley-Davidson heritage?

@LowCountryHarleyDavidson Год назад

Please stop in your local Harley dealer and ask the Parts Specialist. Thankyou…Doc

@erikc4055 Год назад

Just switched the light bulb on my softail and its very bright no flashing when i apply front or rear brakes...

@LowCountryHarleyDavidson Год назад

You have installed the bulb backwards or you have a wiring problem, front or rear switch gone bad. Most likely the front switch is not touching the lever or broke….Doc

@carlkennedy2499 11 дней назад

I have a problem. My break light works fron + back but no light when running till I press breaks

@LowCountryHarleyDavidson 11 дней назад

Bulb in backwards….yes it can be done….Doc

@kastanis100 Год назад

My front brake light switch checks out good, but i still have no brake light. any ideas?

@LowCountryHarleyDavidson Год назад

It would be helpful if year, model and aftermarket parts listed with your question. You have eliminated 1 out of several possibilities. Start at the tail light assembly. Bulb, internal connections, jumper wire to the socket to the frame, wiring under the fender, connector under the seat. A few to eliminate…..Doc

@antoniodifilippo4190 Год назад

Hey Doc, I have a 2008 ultra and having issues with brake lights. I have watched your videos and others on this and have not come up with anything. Simply put when I put the switch on accessories both back and front brakes cause lights to light up. When I place it on ignition or even with bike running ,back lights are on but don’t get brighter when either front or rear brake levers are engaged. Accessory fuse is good and is getting power. Any ideas? Thanks.

@LowCountryHarleyDavidson Год назад

Somehow your brake lights power wire is not hooked up to the correct distribution connector. Are we dealing with a custom bike? Have you installed one of those magic boxes. That make the rear lights pulse or combine other lights? Remove it! If you have a touring bike, the unit under the rear fender tip might have failed…Doc

@antoniodifilippo4190 Год назад

😊Doc, thanks for getting back to me. First there has been no modifications made to bike since purchased. Here is what I know. On accessories no lights in the back are on (normal i presume), until either front or rear brake is activated. Ok so far. When I switch to ignition back lights are on but don’t respond to either brake input. The lights at this point appear to be brighter as if the brakes are on. Probably why they don’t respond to brake input because both filaments in bulbs are on. I unplugged the short harness for the tail light this causes the right and left tour pack lights to go off but then they do respond to brake input with this harness disconnected . Almost seems like a short in the tail light distribution box. Very puzzling.

@lesliehorton4256 29 дней назад

Hey Doc ive got 12 Road Glide no horn, no brake light, no turn signals and check engine light came on. any help would be greatly appreciated. fuses good.

@LowCountryHarleyDavidson 29 дней назад

Take each non functioning item out of the system one at a time until the system works. Systematically finding the item or circuit that is “Grounding” the bike’s function…..Doc

@lesliehorton4256 29 дней назад

@@LowCountryHarleyDavidson makes sense. thanks doc 👍

@maffthetaff8625 Год назад

Hi doc, just came across this vid, hopefully u can help, my rear break switch sizzled and smoke came from it, so I presumed it burnt out, the front break still works lights up, but when I link the rear break cables like u did, the break light didn't light up, any ideas on wot it could be, Tia matt

@LowCountryHarleyDavidson Год назад

With smoke something got hot. Follow wires cause a power wire got pinched and grounded….Doc

@maffthetaff8625 Год назад

Will do, thank you kindly 👍

@robertmcmahon6061 Год назад

you didn't say the brake switch should have one hot wire to it, if not, it's another mater in the harness somewhere.

@LowCountryHarleyDavidson Год назад

Thanks Robert for filling in my gaps….Doc

@stuckinnj9554 3 года назад

FYI - the ‘bayonet” style (you described as flat) are readily available at locations selling the traditional base bulbs. As H-D dealers are closing their doors, local retailers may be a better choice. Not to mention no H-D tax😆

@stuckinnj9554 3 года назад

@Alan Whiteside HD has a plan to reduce to the number of stores in some larger markets. In my area they brought out the only store in the county. What was a 20 minute ride is now over an 1 hr. One of the factors HD is pushing is upgrading to the current CI (Corporate Identity). The investment required has long time owners selling or closing. H-D's planned reduction in production makes it difficult for the smaller guys to pencil. This isn't something new. All manufactures have (within legal limits) looked to well capitalized owners to have conversations to buy/own stores in their general area.

@blackfishfabrication6969 Год назад

Man, sure wish you were local, don't even have a Harley mechanic up here. I'm having an issue where my brake light comes on when in ACC, but not with Ign on. Can't figure it out.

@LowCountryHarleyDavidson Год назад

Kind of hard to help not knowing model and year. check the wiring At ignition switch

@blackfishfabrication6969 Год назад

@@LowCountryHarleyDavidson All good, unplugged the rear brake light switch today and the problem solved itself. And sorry, was a 2009 Rocker C

@mrbigg7255 2 месяца назад

My brake lights work but to trip the rear, it takes a lot of pressure. Almost to the point of the tire locking up. Probably should just put a new switch in if Harley still makes it.

@LowCountryHarleyDavidson 2 месяца назад

I would flush the old brake fluid….Doc

@mrbigg7255 2 месяца назад

@@LowCountryHarleyDavidson I guess I should have explained more. I rebuilt the master cylinder and caliper and also put a new line. Filled with tons of junk. I’m thinking some of the junk could be in the switch affecting it. Thanks for the reply Doc.

@rakkasanveteran1619 Год назад

Unfortunately I've lost power to both front and rear brake, no turn but I have 4 ways and all my lights came LED.. kinda lost here.

@LowCountryHarleyDavidson Год назад

Sir, without having the year, model and visual hard to point you in the right direction. I would start with any aftermarket device attached to your rear lights. Like a load equalizer or box that converts rear lights to running,brake and turn…..Doc

@rakkasanveteran1619 Год назад

@@LowCountryHarleyDavidson Doc, hey sorry for such a generic comment. I have a 17 sportster 1200 custom. Came with Led and custom dynamic brake chip when I bought it. Last night, I had power running to the rear turns and brake like, then before I got home it was gone. Testing the switches, my 4 ways work but I have no front brake lever or rear brake lever to the tail lights. When I hit the turn signal, both rear lights flash. I think on this, I’m going to take it to emerald coast Harley because electrical is a weak point for me.

@nicholascriss876 3 месяца назад

My lights stay on but no front or rear brake lights come on, plz help

@LowCountryHarleyDavidson 3 месяца назад

Bulb in backwards or pinched wire…Doc

@travislohneis224 7 месяцев назад

My Softail brake lights come on and off with the pedal and the lever but comes on randomly but if you tap the rear brake pedal the light will go off would that be the rear brake light switch?

@LowCountryHarleyDavidson 7 месяцев назад

First I would flush the rear brake system with new. Then I would address the rear brake peddle pivot. The bushing used now is semi plastic. It can swell. Disassemble,clean and lube. If after this it still sticks then replace the switch. Oh I forgot to ask how are your rear brake pads? If they are at min thickness the brake piston has a hard time returning to neutral position….Doc

@travislohneis224 7 месяцев назад

@@LowCountryHarleyDavidson thank you

@spikey01234 5 месяцев назад

Just my tail light doesn't go on. Both brakes work. What to do?

@LowCountryHarleyDavidson 5 месяцев назад

Bulb replacement first then check wires and connections…..Doc

@tylerpuccio9883 3 года назад

Greeting Doc Harley, I have an 07 Night Train that began leaking brake fluid from the rear brake switch which I discovered when they virtually disappeared while on a ride. In an attempt to replace the switch I haven't been able to get a wrench over it as it is too close to the frame and engine case. Would you mind sharing any tips you may have for this issue?

@LowCountryHarleyDavidson 3 года назад

While holding onto the switch mount with a wrench, use a Line Wrench. If it is really difficult to remove, I have used a vise grip to remove the old one and then a proper size wrench to install...Doc

@tylerpuccio9883 2 года назад

@@LowCountryHarleyDavidson thanks for the response. I'll give it a try.

@MichaelHooten85 3 месяца назад

Thank you sir! Solved my problem. Subscribed

@destinationsbradford4278 3 года назад

Hello. I have a 1985 fltc and neither the front or the rear brake will activate the brake light. Bulbs have been checked and they are good. My father and I went looking for the fuse box and the bike appears not to have a fuse box anywhere. Tore panels off, looked all over the bike, and we can’t find a fuse box anywhere. We were thinking that the next possible inexpensive fix could be a blown brake light fuse. As you seem very knowledgeable regarding Harleys, we were wondering if I could ask if you know if this particular model either doesn’t have a fuse box, or if you would know where we could look to find it? Or maybe you could just help us to understand what may be happening? Thank you in advance for any advice you can offer. God Bless!

@LowCountryHarleyDavidson 3 года назад

It has been a while since 1985. Two areas to look. first the connection to your rear lights near battery. Second, your accessory circuit breaker is found under your speedo console....Doc

@destinationsbradford4278 3 года назад

@@LowCountryHarleyDavidson It certainly has 😁. It was becoming quite irritating that we couldn’t locate something that you would think to be easily accessible. Thank you so much for the advice, Doc. We’ll be checking these areas asap. God Bless!

@garyzanghi9272 Год назад

Blub Grease as well on any bulb install, plus that front brake light switch was a $100 lesson 😲

@dannyburgess2781 2 года назад

I thank it the rear switch. It. Leaking. Around wairs.

@juanarevalos1850 Год назад

That this light switch repair video help me

@dennisbartenbach Год назад

Hey Doc, Dennis here, new rider, new Harley owner. I just bought a 2015 Dyna FXDL Lowrider and the brake light was on for a few days and now works intermittingly. By on I mean just like the running light, illuminated non stop. Now it just doesn't illuminate. If I remove the tail light socket and reposition it the brake light works for a few minutes and then goes back to not working. The running lights are fine but now no brake light and at first it wouldn't go out. No wires are loose that I can see, does this sound like the brake light switch? Thank you for your great channel and apologies if my question is not clear. The code displayed reads b2161...

@LowCountryHarleyDavidson Год назад

Confusing and hard to Diag over the internet. Your first part pointed to the front switch not turning off because of aftermarket lever, old brake fluid not returning the lever to neutral position that turns off the switch. The front switch could be partially broken or the spacer behind the switch is gone. BUT then you state playing with the sockets helped? Have you tried another bulb? Lay on the ground and point a flashlight beam under the fender. Maybe wires are compromised. Follow the wires to the connection near the seat. Possibly loose. Just a few suggestions….Doc

@johnnowak9548 Год назад

My 2012 road glide blinkers and what I came to find out my brake lights quit working (but still lit) out of the blue. After changing the blinker bulbs which didn’t work, and made sure my brake fuse wasn’t blown, I decided to pull each fuse and check them. Found the “accessory” fuse was blown. Changed it and all blinkers and brake lights now work.

@LowCountryHarleyDavidson Год назад

Great diagnostic 👍…..Doc

@tyleramick7969 Месяц назад

Helped me find my problem, thanks!

@LowCountryHarleyDavidson Месяц назад

Glad it helped…..Doc

@jesuscamacho3967 Год назад

hi doc at connect in the rear switch is positive o negative that metter

@LowCountryHarleyDavidson Год назад

Nope, either post will accept….Doc

@sergeyadamyan3435 Год назад

I got 2004 Road King. Brake light and license light work, front running lights work, all blinkers work, however, the rear running lights don't but work just as blinkers. Any advise? Ty

@LowCountryHarleyDavidson Год назад

Ty that is the way they are supposed to work. If you want them to be more, ask your parts specialist for the added part needed to convert….Doc

@bombnail 2 года назад

Thanks Doc, diagnosed my rear brake and replaced the switch and she is fixed!

@dannyburgess2781 2 года назад

It. Persure switch

@illetrop79 Год назад

Any type of Teflon is good? Or something rated for motorcycles. I’m about to replace my switch. Thanks. Love the videos. Very helpful!

@LowCountryHarleyDavidson Год назад

Thank you for watching….Doc

@richardwindisch9375 Год назад

Once again this mechanic has solved my problem.

@LowCountryHarleyDavidson Год назад

Glad we could help….Doc

@gucci4871 3 года назад

Merry Christmas and many blessings to doc Harley and all you bikers out there

@vincentdomenici8557 5 месяцев назад

Not even having brake light problems though decided to watch this as it came through my feed. I have to say, I love your style in this video. Informative, right to the point, clear visuals and well spoken. I'm subscribed now 😂 Get that media fame, Doc 🔥 🔧

@LowCountryHarleyDavidson 5 месяцев назад

I thank you for your support….Doc

@04DynaGlyde 3 года назад

I thank you Doc, and appreciate the tips, yet I cannot afford the dealership prices.

@BrandSalesMarketing Год назад

Great video as always Doc. I tested the two light switch connectors and my brake light didn't turn on. Does that mean the connectors/cable is bad?

@LowCountryHarleyDavidson Год назад

You are on the right path. Of coarse check the obvious, bulb and all fuses too….Doc

@BrandSalesMarketing Год назад

@@LowCountryHarleyDavidson The rear light (LED) doesn't work for both hand lever and foot lever. Fuses look good. I changed the actual LED lamp and the rear brake light doesn't work, all other lights do work. What is your diagnose?

@-ence- 2 года назад

Hey Doc. Just wanted to reach out and give a HUGE THANKS for this video. I replace my standard front indicators with a low profile set up and when I'd finished the brake lights didn't work. Before panicking (ok, after a little panicking) I did some research and happened across your videos. Turns out I didn't have the front brake seated close enough to depress the switch. Rookie mistake, and an easy fix. You'll be my first go to for any future updates or issues on my '18 Fatboy. Cheers from OZ 🤘🇦🇺

@LowCountryHarleyDavidson 2 года назад

Thank you for reaching out. Always nice to know we are helping..Doc

@gtbike8142 3 года назад

How about if the brake light don’t come on when applying bothe front and rear brakes, I replaced the bulb and also replaced brake light switch last year

@petebaldaccini3756 Год назад

fuse, front brake light switch would be my guess to check first

@kendtchileninjah5905 11 месяцев назад

That’s what I’m looking for. The light is on but the lever or foot brake doesn’t illuminate it brighter

@gtbike8142 11 месяцев назад

@@kendtchileninjah5905 there is a pressure switch that rides on the frame near rear brake pedal, I had to replace that, it was stuck open, my taillight was staying on

@kendtchileninjah5905 11 месяцев назад

@@gtbike8142 I’ll have to give it a look now that I know where to start. Thanks. 🍻

@Rocky-sy9zt 11 месяцев назад

Me too! Just found out my brake light doesn’t work. Tested the fuse, new bulb, front lever switch, rear frame rail mounted switch, and harnesses. Was hoping I’d be able to avoid tear off more panels and diagnosing an electrical problem but everything lights up except the brake. No voltage at the tail light harness on braking.

@paulwilliams1809 3 года назад

What if your bike won’t start unless you have it in neutral?

@LowCountryHarleyDavidson 3 года назад

Depending on year and model, the clutch safety switch is not working. Did you install a non factory clutch lever? Thanks ~ Doc

@dannyburgess2781 2 года назад

You. Know. My. Rear. Brake. Faled. I got home. There no filed. In Master cyber. So. Filled. Blead. Line. Work. Good I. Was. Wondering where field. Gone. To. Never seen leak. But. I. Do. See. Little. Come. Around. Wire. On. Light switch

@LowCountryHarleyDavidson 2 года назад

Glad you got home safe....Doc

@georgecarmona1817 2 года назад

I have a 2010 Street glide,my code says brake is always on,code c 1094 and ,c 1214,I turned on my bike and yeup it's always on without even applying either brake,what would be the issue?

@LowCountryHarleyDavidson 2 года назад

you not taking it to your local dealer to be diagnosed....Doc

@mattmiller7641 2 года назад

I have a 2003 Road King with 10k miles. I checked both wires coming to brake light switch with test light and both are hot. Brake lights do not get brighter when front or rear levers pressed. 3157 bulb in brake light works but will not get brighter when levers pressed. Help!

@LowCountryHarleyDavidson 2 года назад

By any chance someone has added the adapter that is a small box in the rear wire harness under the seat? if so it has gone bad....Doc

@DustinWoloschuk 3 года назад

This video didn't help because you forgot to talk about L.E.D. lights. i have an 06 sportster and my taillight/break light is out but the attached plate light is on. Gonna check my fuse now i guess...hopefully that's it

@LowCountryHarleyDavidson 2 года назад

Why would you think L E D lights are different in diagnosis? BTW the licence plate light is on a different circuit. Good luck in finding the answer to your problem...Doc

@Jackson-eh7ei 3 года назад

Thanks a million Doc Harley. My running lights were off but my break lights were working. The thought never occurred to me that it might be bulbs since they both went out at the same time... sure enough, it was my bulbs. Thanks again Doc. I'm a starving artist, so every penny counts!

@LowCountryHarleyDavidson 3 года назад

Glad it helped...Doc

@justanotherviewer52 3 года назад

Thanks Doc. Helpful diagnostic procedure.

@superflyguy1000 Год назад

Hey doc! I have an 02 Electra glide that my right brake light doesn’t work on. Left brake light is fine and so is both turn signals. Same results with front and rear brake. Any ideas?

@LowCountryHarleyDavidson Год назад

You caught me in a senior moment. You have right and left brake lights? I thought in 2002 Electra Glides had a single tail light🤷‍♂️. You might have a converter that makes the turn signals both turn and brake. I would start there…..Doc

@MrMikeb8 2 года назад

what if front and rear switch doesn't work and then you discover every time you turn the ignition on you blow the "lights" fuse? on the fuse panel. 2007 RG

@LowCountryHarleyDavidson 2 года назад

Pinched power wire.....Doc

@KEEPIT23 Год назад

Hey mate I've got a 86 softail, pull front brakes no brake light push rear brakes no brake light but put both on same time and brake light works fine? Any idea what the issue is?

@LowCountryHarleyDavidson Год назад

Stock tail light bulb? It could be a voltage thing or when was the last brake fluid change? ….Doc

@stephenbodholdt4326 2 года назад

Great information, thank you Doc.

@BetoGonzalez459 2 года назад

What about my tail light 07 Electra glide I have brake lights turn signals an I keep blowing the lights fuse only witch is not giving me a tail light an I checked the harness that goes from under the seat to the rear lights there good so it’s from the main harness or somthn soon as I turn my switch to turn the bike on it blows ? Please help

@LowCountryHarleyDavidson 2 года назад

You have a direct ground! Remove the bulb and try it again. If it blows the fuse then continue to search wiring if not it could have been in the bulb or unit...Doc

@jeremymcclain5376 9 месяцев назад

What about the plug and play front brake switch

@SailorJacksArt 2 года назад

You da man thanks for the help

@jdwest5612 2 года назад

I have a 13 Heritage, brake light doesn’t work for hand or foot brake. Where would I start to diagnose that issue?

@LowCountryHarleyDavidson 2 года назад

At the bulb...Then the connector in front of the rear fender...Doc

@larryc276 3 года назад

Excellent Tips! Thanks Doc

@jdoe6891 2 года назад

When ' You ' does the repair, it's like; One should have brought the machine to the dealer, and had the guys at the dealership do the repair

@LowCountryHarleyDavidson 2 года назад

I always encourage an owner to try but know their limits...Doc

@JimmyKnocker-z3y Год назад

Love this guy 😂

@LowCountryHarleyDavidson Год назад

Thank you….Doc

@davidmitchell9048 3 года назад

Great Information! Thanks

@larryfromwisconsin9970 3 года назад

I had the brake light always on after I lubed my throttle cable on my 1988 FLHTC. I didn't break the switch but I needed to take it apart and put it back together again with the piece of cardboard trick. Doesn't look like that switch has been upgraded in 32 years.

@logicalconclusion3180 7 месяцев назад

Great videos. I have a question on a breakout 2017the shifting Dash light only shows neutral light and six gear shift light. Nothing else now is that normal let me know what you think Thank you.

@dannyburgess2781 2 года назад

I need. One spring. For. Run. Switch.

@mikejager-cv9sy 4 месяца назад

Saved me again, Doc.

@kevinhendley8524 2 года назад

I have a 2015 sporster 1200. My front brake triggers the brake lightsintermittently even when using just my finger. 9/10 the brake light doesn’t respond. I haven’t found any parts online and my wiring is inside the HD brand Z bars. Is the best solution the dealer?

@LowCountryHarleyDavidson 2 года назад

It is possible the Master cylinder itself is not returning to neutral position. Use a flashlight and look closely at the rubber plunger after you squeeze the lever, let go and watch to see the rod from the Master cylinder is returning quickly.....Doc

@kevinhendley8524 2 года назад

@@LowCountryHarleyDavidson even with the lever disconnected the brake switch isn’t functioning most of the time. I’m reading online it’s not good to solder on a bike with a canbus system. Is this accurate?

@johnparker1787 2 года назад

Thanks for information 👍

@michael.koelsche-jung 3 года назад

Hello from Germany. My brake light was always on. If I disconnect the rear brake plugs and the brake light is still on, is the front switch broken ?

@mountaindew8042 2 года назад

👂👍🚶thanks Doc

@joelbuyno5500 Год назад

Yeah take it to the dealership and pay a arm and leg for it

@jonnycando 3 года назад

I’ve replaced both brake switches both master cylinders and everything else....two things my bike can is stop on a dime and shine a light to tell you about it....😎

@navysealsrbomb 2 года назад

2000 fat boy replaced Lens and bulb(original)with led. On accessory everything works perfect when in run bright light only neither brake light works?? Thx

@LowCountryHarleyDavidson 2 года назад

Sure sounds like the Led wiring is backwards....Doc

@navysealsrbomb 2 года назад

Led wiring? I only changed the bulb and tail light lense.

@nall8500 Год назад

Doc my tail light dosn't work brake ligt does 2007 hertige classic

@LowCountryHarleyDavidson Год назад

Is it just tail light? Check bulb. If other lights not working like front running lights check fuse. Beyond that take it to dealer…Doc

@brandonjones152 2 года назад

So again double illumination when running , hit break switch and goes to single illumination

@LowCountryHarleyDavidson 2 года назад

The easy check is bulb in backwards....Doc

@billgullett8616 2 года назад

Dude and when non of that's the problem, check brake light relay, brake light fuse, or wiring, and that takes a little time to run down but "sometimes" will be in the wire harness 🤷

@LowCountryHarleyDavidson 2 года назад

Sounds like experience talking here....Don't forget the Bulb too...Doc

@billgullett8616 2 года назад

Good morning Doc!! Made my day!! 👍🇺🇸

@IsaakTolekidis 3 года назад

Great tip, can you cover a Sportster, my 2012 1200 Custom tail light doesn't come off (LED)

@leapfrog4546 3 года назад

Used bike. Switches are good, light doesn't get brighter when applied. Bulb is good.

@dannyburgess2781 2 года назад

Thanks. Doc

@cjmueller5455 3 года назад

I took the point of this to be that you are giving your mechanic a starting point. Of course he will double check everything before it goes back on the road.

@doodood3507 3 года назад

My take on this is, everyone in incompetent and should throw away your wrenches....

@Firestorm637 3 года назад

Halogen become dimmer with age. Probably should be replaced every 5-8 years

@philheylek1494 3 года назад

no help at all. you really think someone comes on here to learn to change a bulb or a simple switch? I was looking for real help...not found here...bummer

@LowCountryHarleyDavidson 3 года назад

Sorry to disappoint. Keep searching the Net for your answer before decide to bring it to a tech that knows what he is doing....Doc

@philheylek1494 3 года назад

How about actually changing a front brake light switch...or replacing a rear brake light switch and bleeding the system to make the switch work. Show the light actually working. You doing the stuff I did last night to make mine work. Maybe I should have filmed it for you. I did real diagnosis to find out and make it work. Sorry if I'm not a smoke blower like some of the comments on here. My reason to tell you this is so overall the how to videos on here can improve and get more substantial to view. Please don't take personal. Work on it please...for all of us looking for help. Thank you for your response.✌

@matersworkshop6123 3 года назад

Process of elimination is always the best way to solve the problem

@yurikhromov2905 3 года назад

Laughed out loud at the "not too bright" joke

@125saito 3 года назад

My wife says I'm the dimmest bulb on the tree.

@jonnycando 3 года назад

@@125saito but she keeps you so that’s not a bad thing probably.

@125saito 3 года назад

@@jonnycando She likes antiques.

@josephzieroff2631 3 года назад

this is simple stuff that may not be so simple to some folks. That is OK. But try anyway you may learn something. Thanks Doc for the great advice.

@Pushrodlife 2 года назад

Thanks 🙏

@mikeclark3013 3 года назад

While riding today (2015 Heritage Softtail Classic) I noticed a red light came on, to the right of the speedometer. When I got home I checked headlights, passing lamps, turn signals, tail lights...all working. But the brake light isn’t working with either the front or rear brake. I’m thinking the red light is an indicator of that? And is the tail light and brake light the same bulb? Thanks, and I love your videos. Very helpful.

@LowCountryHarleyDavidson 3 года назад

Yes, same bulb...start their...Doc

@romangrundza5722 2 года назад

good day . Can you help me please, I can't start only manually by closing the relay. Still on both lights can't be switched....where could be the problem too please

@romangrundza5722 2 года назад

Softail springer 1450ccm. Yare2001

@LowCountryHarleyDavidson 2 года назад

Take it to a dealer or trusted shop. Too many possibilities to fix over the Net...Doc

@romangrundza5722 2 года назад

@@LowCountryHarleyDavidson 🙈🙉I need to know what it could be

@raphaelbernal7948 2 года назад

So how much would the harley dealer charge for a front switch. Part and labor.

@will8326 2 года назад

Legend 🙏🏽

@tjful5915 3 года назад

I came across something different on my 2016 FXDL. The running light is on however upon engaging the brake pedal or even the front brake, the brake light does not illuminate brighter. I checked for any wire abrasion in the rear brake light harness, I replaced, soldered and shrink wrapped the damaged wires but still no luck with the brake light going brighter upon engaging either front or rear brakes. Please help!! I am in dire need. 😔😔

@davidtobin3397 3 года назад

As of today I’m having the same problem.

@seanruiz6499 Год назад

Thanks Doc this tea helped me out

@LowCountryHarleyDavidson Год назад

Happy to help…..Doc

@cagr0311 3 года назад

I have an led assembly for a brake/turnsignal/running. I replaced my bars cut and spliced a bunch of wires. Everything but the brake lights work. Foot nor handle will activate it. Suggestions?

@LowCountryHarleyDavidson 3 года назад

Are you sure the lights you bought can do all 3? Some light assemblies can be running and turn lights or running and brake lights. For all three to be present, there has to be a black for ground, red for brake, blue for running light and a brown or violet wire for turn signal. If there are only 3 wires, there has to be a “box” to foil the running light to be a turn when activated. Re-read instructions or contact manufacturer. Also know, when replacing OEM bulbs with LED there might not be enough resistance to operate turn module. Thanks ~ Doc

@blocksopiff 3 года назад

Hey doc, I have brake lights and turn signals but no rear running lights. Got any pointers on where to start with diagnostics? It’s a 1996 Sportster 1200 Custom.

@LowCountryHarleyDavidson 3 года назад

Start with the Tail light bulb. one element can be working while the other not. Next make sure the tail light is tightly mounted cause the ground goes through the fender and mounts...Doc

@idriveaxj5670 Год назад

I got a 2000 sportster 1200 and the running light works but neither front or rear brake trigger the brake light?

@LowCountryHarleyDavidson Год назад

Check bulb first

@idriveaxj5670 Год назад

@@LowCountryHarleyDavidson bulb is fine, was the first thing I checked. I read somewhere that said the housing itself might be bad. So I'll try that next. Thank you.

@johnniejohnson6048 3 года назад

Diagnose why cruise control isn't working . 2005 Roadking Classic . All functions work. Except When set is pushed . It does not hold .

@LowCountryHarleyDavidson 3 года назад

The Key yo good diagnostic is to have a Factory Service Manual that gives you a path to follow. Is your brake light working properly? If so unplug the throttle switch and go for a ride. If cruise works, replace throttle cable. Thanks ~ Doc

@williambeebe7285 3 года назад

Great video, just love the way you explain things.

@seandompe7300 2 года назад

In my case the guy i bought bike from didn’t put handlebar detention to perch and control correctly so neither worked i tested the switch on bottom nothing so went back to top saw the issue right away thank you for you guidance was really stressing not having a brake light oh yea it had a custom dynamics light led so was getting a lil nervous !thanks again for the lesson !!!!!

@LowCountryHarleyDavidson 2 года назад

Thanks for sharing your story. Glad we could help...Doc