How to Check and Repair EBike Twist Throttle
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- เผยแพร่เมื่อ 10 ก.พ. 2025
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I learned a lot by reading the comments and thank you for answering people's questions
This is the kind of video e-bike people can really use. Thank you.
Your video was easy for all people to understand Congratulations on furthering your work. Continue your work better and better thank you
Thanks a lot!
well done master, there are a lot of interest points in this video.1) the good position and good skill for welding 2) the good phases for checking an electronic tool 3) the importance of grease and a lot of other informations, thank you very much.
Word of caution on buying a replacement throttle.
I just saw some throttles for sale online, claiming they were compatible with ebikes. But a short line in small font buried way down the page lists a spec that says the Hall sensor signal varies from 0.8V to 2.4V
However, 2.4V is *not* a sufficiently high-end Hall sensor voltage for most ebikes. Also, most people probably would either not see the 0.8V-2.4V spec and/or many people would not even know what it means and would ignore it assuming it was normal.
Unsurprisingly, there were many reviews from buyers that were disappointed the throttle didn't work after they installed it.
From what I could tell the sellers didn't seem to care that this was a major issue and likely aren't going to change their web pages to make it more obvious or provide a warning about this lower than required Hall sensor voltage output for ebikes.
With a simple change to the web page, the sellers could save a lot of customers the frustration and grief of spending time and money on trying to repair or build their ebikes using these ultimately unusable throttles.
It's not really the seller's fault.
What you are describing is someone unfamiliar with how ebikes work, doing repairs on a commercially produced bike.
Anyone who has built their own will either know what range is required by the controller, or will be programmable and the throttle will work fine.
If you buy a conversion kit SAVE THE DOCS THAT COME WITH IT.
It's often nearly impossible to get ALL of the original specs, as the seller is typically bundling compatible components from multiple vendors, and often doesn't keep track of spec changes from a previous run.
The comments are very good. I had my experience with the Aston Rider kit, it came out less than 300usd with lifepo battery and it has been running without problems since I had it more than a year ago
This is very helpful good work guys
FUCKING THANK YOU, IT TOOK AN HOUR TO FIND SOMETHING THAT SHOWS HOW IT WORKS
Great video. I'm trying to see how everything is hooked up. Are you just connecting crocodile clips to multimeter and throttle only?
No he has power going to one and grand then the hall censor
How do you make the 5 volts going to it????
Does the brushless motor controller support different hall sensor numbers or they must be a. Specific one.
great video. question….
what brand hall sensors are you using as replacement?
/Bklyn👑
Hi EV you look like you know your stuff, I have 2 Basic (no gauge) e bikes with throttles, I wanted them to be motor assist exercise bikes (only use twist throttle to help when needed on hills), one converted easy by removing the sprocket sensor to stop peddle assist, The other one is crazy. It has a 2 stage throttle, it works from stationary up to 5mph then you have to peddle to 10mph to get the throttle to work again (of coarse peddle assist comes on "flat out" too) and you can stop peddling and it works like it should . If I disconnect the sprocket sensor I cant get motor help over 5mph. It seems to get a spike from the sensor to work. Grateful of any ideas . Cheers Dave
Hello,another question. How sensitive are the Hall sensors?. Do you break downloaden immediately in you beak downloaden immediately you accidenttally swap thepoles wen you connect them?. Manni W.
Hi, i have thumb throttle that have start idle voltage 1.33v and when full run 3.42v, is this ok voltage, is this throttle ok and will this throttle work fine with such voltage values?.
Thanks 🙂
Its exactly what i needed, thanks for sharing ideas.
I tore off 3 of the 6 wires on my mothers bike when i tripped and i grabbed on to it...
First i playned to resolder them but the housing can't be taken appart without breaking it.
Have been looking around everywhere for a new throttle with 6 wires but i can't find one.
The only thing that was printed on the throttle was "DE PU 25.9v".
Only other thing i noticed about the throttle is, that it is progressive/stepless twist throttle.
Some advice would be appreciated.
I am curious to know if taking out the hall sensor "chip" is really just that easy as in video? It seems like the two throttles I have tried with have NOT wanted to pop out of the slot / housing of hall sensor. are they ever glued in by manufacturer? Or am I doing something wrong? Thank you:)
Clean and tidy work. Good tutorial. Thanks.
Thank you!!
@@EVCustoms I have a great question for you, I am interested in a twist throttle that starts you off slow, because I notice that all the cheap $15 twist throttles that I a have used, knock you off the saddle as soon as you barley turn it to its minimal activation point, I am looking for a throttle that starts off very slow and gradually starts accelerating to full speed. Please refer me to one either through amazon link or a model and model number, I will subscribe to your channel upon you response. thanks
@@EVCustoms I have a great question for you, I am interested in a twist throttle that starts you off slow, because I notice that all the cheap $15 twist throttles that I a have used, knock you off the saddle as soon as you barley turn it to its minimal activation point, I am looking for a throttle that starts off very slow and gradually starts accelerating to full speed. Please refer me to one either through amazon link or a model and model number, I will subscribe to your channel upon you response. thanks
THANK YOU
Your videos are best, Best channel about E.V ebike.
It works brother. Thank you soo much. God bless you.
Will a bad throttle sensor make a buzzing sound come from my rear hub from ebike Along with intermittent power to the throttle?
great video, is there any way to adjust throttle start slowly pls
It's hardware dependent.
Is it pre-built or did you build I?
Thanks .im from sri lanka.sloved my problem
Thank you so much ❤️ this video very useful for me and thank you so much 😘 bro 🙏❤️❤️❤️
Hello great video. I have a question if you can please help me I have an electric sitdown scooter with 3 speeds the battery indictes thats it is fully charged but it seeems to only go one speed even when switched to highest gear. It went about 50Km an hour when switched to the 3rd highest gear but now only does about 26km..Is the battery going out? thank you so much.
The connectors on my controller has 4 wires(grey white brown and black) into 1 jst-sm connector for both the brakes and the throttle. And the grey and white are supposedly for the brakes. How do I test the controller alone with a multimeter ? And what should the readings be ? Just need to know where to connect the throttle wires ?
Throttle of my vehicle works when I switch the vehicle on. Provided that I keep the throttle engaged. If I let it go, then i have to switch the vehicle off and on again. I have to do this continuously. One time it worked perfectly for a day or two, without any hiccups. Now it's acting up again. What do you think is the problem? And the best and cheapest possible solution?
hey there i have a ebike that comes with a twist throttle i want a thumb throttle so brought one thats the same connect type etc for my bike plugged it in and screen comes up with error 4 |? i tryed 2 other thumb throttles which my mate had with same connector and error 4 again i cut 1 of the connectors off the thumb throttle and re wired it so its black to black as normal and the 2 remaining wires just switch round boom all works fine now no errors which is good so guessing the signal wires for my bike and thumb throttles are wired different but like i said all gd now its only a signal wire and positive should be all gd correct ? as its all working ? cheers
Green is signal
I hadn't even considered this is what might be wrong with my scooter. Nice video, I'm gonna test this today
*Where did that third wire to test it come from?*
Hi, awesome video thanks, I use an Hover 1 alpha E scooter so two days ago I was changing the accelerator of the scooter, and in the process of assembling it together i found out that the beeping device was lose but before I could touch it one part it's poles mistakenly touched the pole of the display panel which resulted in some weird noise and the break light blinking and unfortunately the Scooter went off and wouldn't come on again not even charge any longer , do you have any idea what could be the issue Thanks..
Hi friend.. unfortunately after shorting circuit is to difficult to find the issue, on most cases need replacement my friend..
@@EVCustoms ooo thanks and what would I be replacing the controller, the display panel or a new scooter 😞
@@EVCustoms Did I mention anytime I tried to put on the scooter the controller starts blinking red light..
@@isaacogedegbe5557It's usually going to be the controller.
I've had a controller fry from a random short. Display is normally an optional component.
There are usually 3 of the wires that connect to the display that are manipulated through the display to actuate thr desired assist level, but other than assist level the display isn't usually required to run the bike.
The BMS can also cause failure to power up, but it can be temporarily bypassed for test purposes.
I've been experiencing extremely dangerous episodes of the motor not stopping as soon as I turn the throttle , related to high humidity conditions ! I think it's because the humidity increases conductivity of the hall sensors in the throttle . can you recommend a good throttle ? I think the manufacturers are going to have to make them water proof. I experienced the same issue with a different throttle , battery and controller. just using the bike after a rain storm is enough to cause the issue.☠️
I have electric trotinette and they did not want to turn on because one of the screws was missing, it comes down at the battery, so I did not know what was the reason for that screw, so I put a piece of aluminum and it ignited. Is my work correct?
very nice. my e bike moves without giving throttle. may i know the reason why
What happen if in running bike and sudden haull sensor with short then directly 5v goes to controller and speed increases to highest may leads to accident, pls tell me i am correct? Or anybprovision is there in sensor for that
❤ you make my day, thanks a lot
Hi and thanks for another great video! Keep up the good work, best regards from Greece!
Thank you very much my friend... xeretismata apo tin elevtheri Kypro...!
@@EVCustoms Άρα είσαι Έλληνας κ συ αδερφέ τι μιλάμε στ αγγλικά...😜
Θέλω τα φώτα σας!!🙏
Άλλαξα το χειρογκαζο (έκανα εγχείρηση) από ένα flj 2400w 52v που έχω σε thumb για να το πατάω όπως στο m365 ας πούμε!!
Έβαλα αυτό που έχει γκάζι κ voltmeter μαζί!
Το ΠΡΌΒΛΗΜΑ είναι ότι σαν το άλλαξα δεν πάει πάνω από 40 χιλιόμετρα, ενώ με το stock (με την σκανδάλη, δάχτυλο) έπιανε εύκολα 65χιλ.!!!
ΠΟΥ ΕΊΝΑΙ ΤΟ ΛΆΘΟΣ???😤😤
Έκανα εγώ καμία χαζομάρα, ή (αυτό που πιστεύω) φταίει το καινούργιο (χειρογκαζο με ένδειξη ρεύμα)!! Δεν δίνει το max από ρεύμα (0.8-4.3) πιστεύω!
Σε όλα το τέρμα είναι 4.3? Μήπως να το μετρήσω...??
Ή τι ΆΛΛΟ να φταίει..??? Με στενοχώρησε..!!😓😓
Αν μπορείτε να βοηθήσετε θα το εκτιμούσα..!!!! Ευχαριστώ!
@@Antony--DIY File Antoni geia sou.. file an exeis kana polumetro spiti sou tha mas voithisei, fantazome einai kokkino mayro kai prasino ta kalodia tou throttle sou?
@@EVCustoms αγοράσω κ 2 σήμερα αλλά δεν είναι win... Πως λένε τα καλά!!
Κ τα 2 και είναι 3.6ν
Τώρα ξαναβάζω το δικό του με το δάχτυλο να δω τι θα γράψει....😠😤
If the signal voltage is increased, will the speed increase?
Thank you i leant one new work today
What can I do if these wires were pulled out of the twist throttle? Can I solder them back in?
Very nice video throttle sensor problem 💯 thanks
Hi, first of all, thank you for this very usefull video. I have a problem with my e-quad throttle reaction, I have 4 different throttle, one finger type and three twist type, I measured the output signal as you discribed and didn't see any major problem but the motor driver doesn't give any response during the first angles of the throttles, but after the first 4-8 degrees, the motor starts to spin with a higher speed than desired and it makes a bad feeling on driving characteristics of quad. Between the 4-8 degrees to max throttle, there isn't any problem. Because of this issue, I can't drive the quad at very slow speeds below 5kph. Do you have any suggestion to fix this issue? Thanks. I checked this issue with another motor driver as well, and the result was the same.
Was a component changed around the time this started, or has it always been this way?
If it's always been this way or started.when a component was changed, its.more likely than not the order of the halls - try changing them by swapping any two.
It could also be the phases not in correct order.
How do we recognise which wire is positive, negative and return current? Is anything marked on the sensor as well?
Hi... from wires always red and black wires is positive and negative, the signal can be meny different colours, so you know the third wire is signal. at sensor pins you can find them only from datasheet, most hall sensors have same pins..
Will a continuity test show which one is which?
good videos and thanx, have a problem that is : I must push the motor to run and than throttle works but when i stop than it does not work. I most push every time to start. please help ?
Hi... check your hall sensors...
@@EVCustoms thanx 👍
i just replaced my throttle and it didnt fix the problem. i can use walk mode from the display to make my ebike go 3mph though. could it be throttle control components in the controller are broke? sugestions? where is bafang tech support? thank you
I have changed my hall censor Twice and I still have no throttle at all. ? Can you think why it has stopped working, could it be the control box , I still have peddle assist but no throttle what so ever
What does it mean when my electric scooter starts & stops like goes for like 5 seconds then comes to a halt then goes again for like 5 seconds? Is it the throttle or a spark plug or something else? Please help!
Clear and concise, very useful thank you
I can't see sensor number on my bike throttle it is microscopic. So if I buy this hall sensor from the link you have provided, will it work in my bike?
90% it will work... this sensor is most common..
@@EVCustoms WITCH MODEL OF EBIKE DOES THIS CONTRILLER BELONG TOO
well done, I´d like to ask you about brushed controllers, how can I adapt a throttle like this on it?
You typically want to install a different type of throttle with brushed controllers. One that uses a 5k potentiometer.
@@kennedy6971 thanks. don´t you have a link or site where I can buy it
so the S49E hall effect transistor is actually a pnp type transistor?
No... PNP transistor is different thing, this transistor working with magnet's, on two pins you need power and from the third pin you have analog voltage output, when the magnet is close output voltage is high when magnet is far there you have minimum voltage..
@@EVCustoms 10 4
Does it required to connect on 5v battery to know if it is broken?
Yes you can do that but with common ground
@@EVCustoms can I have the connection? please. Like how to connect it from 5v
battery to throttle.
what size battery you use to check voltage can you use a just a 12v or will it fry the wires ???????
May i know the pin out of the hall sensor IC? Thanks
Very good video clear-eyed
Hey, Is Xiaomi M365 motor control 36V350W replacement for Windgoo M11-A ? Thanks.
I've managed to snap one of the pins off the sensor to be able to solder to. How do I attach back to sensor? Is it possible?
Is this sensore or transestre?
May God give you good health and intelligence because you would show us what happens when we have no way to speed up. Note 10 with congratulations
thank you my friend..
Thanks alot, was so helpful
Hi i am from PERU can you say me in what number you put the tester pleace i wanna know.
Ji,
My cycle is running in full speed in standing condition but while deriving on road the speed comes to zoro within second (my kit is 24v 19.8 ah li battery,24v 250w LY1016z and LB27 controller)
Battery shows 23.6v in idle condition, while deriving 2.3v dropping.
Please give your guidance to find out exact issue.
Thank you.
I think you should check for reverse polarity
Nice repair 👍 thanks for sharing!
But if throttal volt from 0.8v to 3.6 v is it rgiht or not thanks
Thanks that's very useful to me
I hope you can make videos how to install lights direct to controller with explanations. for 36v,48 and 60v. because for all I know, most lights are 12v. some are autovolt. but since I want to change the controller and lcd, the lights has no indication what voltage it is. and the controller doesn't just accepts any voltage.i am afraid I might damage either the controller or light. what will I do? some says, buy converter or some says, just connect it to series,..but let's say I wanna preserve the stock lights yet I don't know what voltage are the frint and rear light.. what will I do?thanks
Kalo indikator batre lsg merah trus padahal sepeda listrik nya baru di rakit batrenya apa penyebabnya bos ku
Can we use throttle direct with battery without controller?
How can I install a multimeter on my electric scooter I want to monitor battery while riding and charging I have a 1000w 48v 20ah lithium battery do I install between battery n speed controller
out standing wow great to know thanks for the video two thumps up .
In my electric scooter only two wires are there. one is red and another is black. Can't able to understand how to connect it? While in new purchased throttle have three wires. Red, black and green. Please help me 🙏
Good information sir.
Where can you buy the sensor from need a few ???
Thank you, very informative 👍
Thank you very much
I have a controller that is 2 orange and 2 brown for the controller. My twist throttle is 2 white a red green and black..how do I wire it..thanks
I need a help
My electric scooter suddenly stopped moving i dont know why i got some error symbels like accelerator handle
anybody pls help me to resolve this
(00:45) "...output we must get a range of 0 to 5 volt"
Not always accurate. Some throttles, including those using the common "49E" Hall Sensor and a Vcc=+5.0V, may have an output signal that does not reach 5 volts. The difference can be up to about -0.5V. So, the real-life operating _range_ can actually be from slightly above 0 to just approx 4.5V.
My memory suggests I've generally seen upper voltages top out at and flatten to about 4.8V. The controllers still interpret this voltage to run the motor at maximum speed, so there is no loss in performance.
Yes i agree with that...
I have a throttle error code on my e-bike does that usually mean the sensor is burned out and I need to buy a new throttle??
Dude i have the same exact problem on mine
I changed my rear brake pad and now my throttle and brakes not working
When i press the throttle motor doesn’t run:l/brakes.
Motor will run on its own after like a minute or so. And the brakes dont work to stop it. My brake light on display doesnt even show. I unplugged the brake sensor wire to the controller nothing happens..
The motor spins when i move the handle bar left to right
Its Sabvoton 72v 150a controller
Qs 273 3.5T
could you make a tutorial on how to attach a 3pin cable for a bafang motor to a throttle like this?
What camera you have?
NX3000 SAMSUNG
but from Where we Buy this hall sensors?
Very well explained and very informative. Thanks a lot.
Excelente video
Great video...exactly what I needed, to fix my electric scooter.
ممكن رقم السونسر لو سمحت او القطعة التى قمت بتغيرها
Very helpful ☺️❤️
You have not explained how you connected 3 wires to multimeter.
One is injecting voltage simulating there is power going to the throttle.
From your 5v p/s to the black and red wires, positive to red, negative to black. Connect the meter positive/input to positive junction, common/ground to the green signal line.
The meter positive could be labeled different things.
You can't count on meter cables being plugged in correctly, but Common/ ground is normally the black probe, and the red goes into the other port, assuming you don't have a port labeled "up to 10 amp" or similar - it's for a kind of current measurement - not used for your purpose.
When the halls are active, they cause variation in how much is not drained to ground, and instead flows to the green signal line.
Basically, current flows from positive to the throttle, where it is split and part drains to ground and part goes through the green signal line, where the controller interprets the variation as a command to increase or decrease power.
The absolute value of the variation doesn't matter as much as that there is some range.
They don't normally fail with a low signal, normally no signal at all on a throttle.
The halls in a motor are a bit more complicated.
Cool dude i got one i need to fix now i know how thanks
i have a problem in my bike when i ride the switch off always ? what can i do ?
I use a thumb throttle rather than a twist but if it ever fails I will simply pull a spare out of the bar bag, install it in about 5 mins and ride on. When I started my build I wanted the best all-around ebike possible with the focus on maximum range and the ability to carry/pull hundreds of pounds of gear. So far I haven't seen anything that comes close. Stay safe.
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25 Jul 20 - Mowich Lake
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26 Jul 20 - Rain Forest trail
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Well done exactly right thanks.
Hello, is IT possible topeplace a defensive Type S 49 E Sensor with a Type 49 E ?. Where' s the difference?. World appreciate ananswer very much. Gretings Manni W.
Hi.. you mean different mode?
Hi, no no other mode. Can you just svap the two?. Are the Parameters the same?. Mann W.
Hello, another question. Is it possible to additionally solider the cables of a throttle trist Grippe tote Pins of a dashboard Hall sensor?. Des IT work?. Can no langeroperate the throttle on the dashboard aß a resultiert of an accident. Greetings Mann W.
@@manniw.6586 They are exactly same sensors
Well done
Great help. Thank u.
How do I get rid of throttle lag?
hello friend good video, but you still haven't looked at me how to convert a pas sensor as if it were an accelerator?
Hi friend.. eorry I forgot that, please can you remember me your problem..?
@@EVCustoms if i would like to know if we can make a PAS sensor work with instant start as if it were an accelerator?
Thanks for this
Thanks
you now sensor hall 503 found case to 49e?
Sorry....?