How to wire a GY6 scooter regulator / rectifier and how it all works (Part 3 the regulator)
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- เผยแพร่เมื่อ 9 ต.ค. 2024
- Okay, here we test all the voltages with the bike running, and with the bike switched off, this should help you make sure your regulator is properly hooked up, and also properly wired (if this doesn't answer your questions, let me know and I'll do an even more indepth set of videos). But this should cover everything.
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![HOW TO TEST A STATOR / WHAT IS A STATOR [step by step] GY6](/img/tr.png)
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I've been watching your videos about China forever and imagine my surprise when I was googling a CDI for a go-kart and I saw a video of you talking about the regulator rectifier! I ended up having to rebuild the entire harness from scratch. Total nightmare but I think I'm almost there. Keep up the good work!
I'm not sure, but I can go check sometime this week (a little busy with the holidays), one thing I know is that when you're connecting up a high powered light, it's a good idea to connect a resistor to the circuit. I'll try and figure it out for you.
Not the usual content I come to Winston for. But today it's super helpful.
Never thought serpentza would help me fix my scooter
Thanks, I'm just glad I could help, let me know if you're still having problems.
Hey so on my 150cc scooter the white Wire is 0.50 and the Yellow wire is 0.52 from the Voltage rectifier But on yours they're both 0.0.0 why is that is this right or wrong I need help
White is 14vac from altenator.
Red is 12Vdc for regulator to battety.
Yellow is 12 vac for lights.
Green is ground
The red wire is the regulated output from the regulator. The yellow and white wire are both from the stator and the green wire is the ground wire.
This video just played from auto play and I thought that voice sounded familiar. You’ve always been making amazing content Serpentza.
11 years later getting help to fix my scooter
Interesting: I noted that the number of views went up x10 when you showed how to fix your bike!
The reg/rec takes those 1 or 3 AC phases and, with the help of a few transistors, transforms them into one DC output. These produce a bit of heat, hence the heat sink glued to them with thermal paste. The DC output should be only one wire - the other being the common ground.
Oh boy i am very thankful for your video, now i know which pin is which. Thank you very much bro, had to convert my motorcycle to fullwave due to battery issues.
@islandminisunlimited Also the final wire may be the magnetic field supply for the alternator. Without this connected you will get zero AC when revving. This only applies if you have a field powered alternator. If you have a fixed magnet powered altternator then it will supply power even if that wire is not present.
I like the way you show and explain things. I am having a problem with my headlights.
I had stator replaced and then I lost headlight. My 150cc scooter starts and runs very well.
Bulbs were checked there ok....what should I check out next ? thanks.
It's a simple system, really. The alternator produces one (two wires) or three (three wires) phases of AC voltage. All these wires go into the reg/rec. DC voltage may be picked up in any of the alternator wires, but by coincidence/luck/alternator malfunction only! The way to measure if the alternator is working is by measuring the AC voltage between each of the wires coming from it (not necessarily with the common ground).
Thanks you solved a problem with another motor that I was working on should I use an ALt. or use the stator from motor all I need is a shunt terminal that is an AC reg . converter .
@Mr2010gartman you say your lights are dim? Is this with a fully charged battery? Have you connected a muli-meter to your battery and revved the motor?
Heres how it works. Red is 12 volt for charge. Test the alternator in AC only mode and rev the bike. It will go up in volts dramatically and drop when not revved. This will be on two wires going into the regulator - dont test by going AC wires to earth as this dumps the power from the alternator to your chassis. Test across say the white and green or the other. The final wire is probably a sense tester and isnt needed. I imagine the regulator is neagtive earthed so yes the red + and the metal -.
Thanks much for the info. I'm wiring in a 4 pin just like you demonstrated. That's all I have left to do to it. Hopefully it'll work when I'm done.
it means Red wire DC going to the + battery (use to charge the battery), the white wire is coming from the stator, AC. The green is negative. The yellow wire is going to the headlight and its an AC.Many of the scooters headlight supply are in AC.
thankyou! so much! you realy explained it great!, youre my only help i have to help me with this rectifier,
you need to find out what those colours mean by searching for the "pin outs" or "wiring diagram" for that model of regulator. It will have one wire as earth (thats known as negative or - minus) - one will be to connect to the battery live side (thats the positive or + plus side) and the last wire will be the one that connects to the alternator/dynamo generator. So if you can work that out your bike may use RED as + BLACK as - minus/earth and the third wire will need to go on the old alternator
i dont have a scooter, but you answered sooo many questions!
thanks!
@truthseekers666 thank you for that info, my friend has a 1960's garden tracotr that he wants to use for fun and tractor pulling and the battery will hold 12 volts but the voltage don't go up none when the tractor is running and the battery only starts the tractor once after a good charge, so i wanted to buy a cheaper regulator and found this one for $20, but noticed it had 4 wire, not 3, so now i can tell him to order one of these and i can wire it up!
@firemanntomm It's Shenzhen in Southern China (right next to Hong Kong) :)
Hey there, I recently done a GY6 swap in my Honda Zoomer/Ruckus. I used the wiring harness from the doner scoot and it ran great. In fact we done London to amsterdam twice in it. Then I desided to do another swap to accomodate a fatty setup. I bought a new motor, but kept the harness from the previous build. The harness take the 5 pin regulator (white, green, yellow, black and red). The new motor has 4 pin(3xyellow and a green) Now I cant seem to get it to charge agian. BTW, where you from? SA?
You so unbelievably helpful!
Hi, thanks for the video. I was hoping to see what the a/c voltages were, with the regulator connected, on the white and yellow wires. I am trying to guess what the circuit inside the regulator might look like. All the best, hope Churchill customs is doing well, and your designs aren't getting ripped off again.
@idusclothing glad I could help
Hello...a little off topic, but I was looking at the city scene in the background, and it looks very nice...clean, palm trees, fairly quiet...what city is that? Thanks much!
@pet6171 it should work, I'll try and find a 5 wire to hook up to my gy6 here and test it out
hello there, I like the way you have wired you regualtor, I have a blown regulator due to me jump starting it with my wifes car resulting in my scoot blowning fuses even with out the ignition on. anyway I am having a hell of a time trying to get a replacement, would any 5 wire regulator work, if so how would I know what wires would connect where on the new reg?
thanks you men !! this video was verry simple and clear !!
Ya gotta love this man's willing take his scooter apart for demo
Great videos. Helpful basics. Thank you
@serpentza hi i got it fixed thanks, it was the regulater that was not charging the batt up
I replaced my stator and the scooter runs now but the headlights blew instantly and the headlight circuit was showing 6V at idle up to 20+ volts with rpm. The battery was charging properly but now it isn't charging anymore. The rectifier appears to have gone out. OK so I'll get a new one, but why did it die? The yellow wire going to the rectifier from the stator shows 60 Vac at about 3000 rpm. Is this enough to blow the rectifier?
hi good vids u got, i got a problem with my peugeot speedfight 2 100cc moped, i got a new battery for it and charged it and the lights are still dim, would this be the regulater or?
You really do know your stuff my friend.... Could you please help me.... I rescued my scooter off the scrap heap and as you can see it was a mess... I have stripped and resprayed but am having problems with wiring... I have onlt front and rear light.. No indicators,horn,speedo,kickstart or rev counter... Just a start button... I have had it running but it kept not charging the batt... I have replaced the batt and regulator and startmotor but now she wont even turn over...Please help..
Thanks for your help:) exactly that was broken in my scooter
Saved my ass with this video. Thanks!
Great job! Thats what I wanted to know!
now will a bad voltage regulator keep it from taking off when the rear wheel is on the ground? Becuase my runns great on center stand but when i take it off it won't move?
new belt, clutch and varator rollers
What is wrong?
+Thomas Flynn u need a air filter on it if its a 50cc. a 50cc has to have the air flow restricted
hi, im not sure if im having a problem with my regualtor but
i changed my front light on my bike, started it up and now i have no lights indicators and brake light work fine, no front or back light or horn, i have checked all the wires everything ok,ever tryed the old light and still nothing, allso now when i start the bike it just idles and backfires, do u think it could be the regulators gone
I recently replaced the regulator of my Zhongyu ZY50QT-3, unfortunately I hadn't found this video before I did that.
But now I wonder why my battery does charge when my lights are off.
When I have my main beam on it doesn't charge at all
If I use the position lights I see a voltage increase on the multimeter with a running engine (directly measured on the terminals of the battery)
But with the main beam on I get something like 12.1 - 12.2 Volts and on a long ride it will drain my battery so far
What u diagnostic with this video? Is there a problem when you dont have DC on yellow and white
that even de CDI can't generate the power anymore for the iginition and the engine will stall.
I hoped it was the regulator, but I still have the problem.
So I guess it's the stator/alternator.
How do I replace it? And which one do I need for a 50cc?
I do not want to remove pulleys from the vario or the crank axle (I am not THAT handy)
Been having problems with my regulator ,the red and white wire is oposite on mine think they keep sending me the wrong regulator, ever seen this if so how to know witch regulator to order or maybe you have a wiring digram.
Hey If the regulator is Bad could it afect ALL electrics where nothing works? I can jump it at the starter switch.
hi, where is the yellow wire connected? and why is that everytime i turn on the headlight, my engine stops and when i rev it, the muffler blows? what do you think is the problem?
My bike will only keep the battery charged if I dont use anything else. I get 50 volts A/C out of my alternator.I put another rectifier on it and it still didnt do any better.One of the stator diodes burned up That only ran the bike but not charge at all. I also replaced the wire to the battery with 10 gauge wire. I am sick of it now and I am going to build one. Do you know what size diodes I need to start with? Japan put a lot of bad charging systems on a lot of bikes. Its hard for me to get 13V it does good to stay at 12.6V. If you can give me some info on diodes I really would appreciate the help Glenn
@bigwill19591 I'm sure you can, I don't have one lying around to try :P
hoping for help. was riding sunday and blinkers quit working after getting home the electric starter won't work either nor lights, fuse isn't blown, please if u have any idea what i need to check..please let me know
so in your case, white would be the magneto and red is battery hot. what do the other 2 wires do?
hey I got rectifier end with yellow red orange/pink and green. on my wire harness kazuma falcon i only have red yellow green and white. how to connect?..
I just tested the voltage on the regulator and the hot red wire that connects directly to the battery is only getting 1.4~ volts, as opposed to, if I'm not mistaken 12 volts. Does that call for a replacement?
Have vento zip..Lights will not work but brake and turn signals good and headlight bulb is good. What could be wrong?
Hi I would really appreciate your help here.
My tail/real lights are not working but the break lights is fine. I noticed both rear/tail light have been blown. However, when I changed the light and turned the scooter on the rear/tail did not turn on? I also noticed something as I was disconnecting the rear light with a new one when tracing the wire I noticed a burned stain? So I was thinking if it had something to do with the wiring connector, etc?
there seems to be a drain somewhere, the battery terminals spark when I connect them even with the key off, and the kill switch on. I disconnected the rectifier and it no longer sparks.
Hi tks four your great videos, I have a Sym Fiddle is version 1 I been fit a new 75cc kit on, wheen I drive the scooter sometimes is cut off complety I stop start again and is start in first time what you thing my problem tks best regards: BERENGUER
I am having problem connecting the wires on my scoot-n-go fuse holder. I have found the red wire connection but, I can figure out where the black wire connect to.
hey i have a 110cc, i have everything wired right and it only turns over when it wants..
The engine will start and shut off in like 10 seconds or more then the solenoid starts clicking again!
""mind you'' i also just put a brandnew solenoid on the bike thinking that thats what the problem was ..
But noooo lmao, If you can help me out let me know
is there a a place i can go to se a diagram for the wire harness for CHINESE GY6 150CC WIRE HARNESS WIRING ASSEMBLY SCOOTER MOPED SUNL ROKETA P WH09?
@bigwill19591 It´s a broken regulator yes.
With it plugged in and I tested the back of the pug with it running (@ 4:19 minute of video) I got 1.8 on the white and yellow wires the red was 12 that's DC. On the AC I got 24 volts up to 27 (@ 3:05 minute of video). What does that mean?
I have a 3hp 49cc VIP MVP GY6 type Chinese scooter
hey frend i need your help!! i have new ignition on my 150cc china moto, and have one diferent on my old ignition: new ignition is identic and diferent is have 2 wire yellow ,bath my old have 1 yellow and 1 white! yhis is diferen. pleas tell my howe to make wires on old pin out or new pin????? i see diferent is colour and nothing another, what you sey for this pleass tell??????
hi, thanks for this video. i have a problem. i have an old Yamaha YB 50, the rectifier have been damage if i replace it like the one on this video can it woks because rectifier only convert AC current to Dc current....................
i get no power to my ks, its been off for a month now. I dont understand. It no longer has a 12 volt signal.
hello can you give advice on how to fix high beam display light at the clocks not working but both lights are
relay switch in front might be broken ... :) check your wires to and terminal for burn you can scissor it out and check for burns switch relay can burn wires common near the terminal or splicing if this does'nt help light coil of your stator is messed up better rewind it or replaced it , dont worry GY6 parts are cheapest :) and all are available everywhere in all countries :) thanks to china
Moving the camera from the connection to the meter is confusing. Show us the meter when you change the setting so we can do the same, but when you test the connection just tell us what the reading is. We don't need to see it. I think keeping the camera on the connection and showing us how you connect the meter is more important.
Hello do you know anything about a bike always turning off the bike starts and runes but after running for about 15 mins aprox 40mph turnes off do you know what cold be?
check the CDI it could be getting bad
My aprilia sr 50 keep burning front lights and all other lights like brakes and sides stop working without battery whats the problem ? The lights work normal then when i drive the light get burned
Are you using LED lights for headlights?
Out of the subject, I relocate my turn signals and after I recoonect the connectors it started smoking after I turn the key on. What should I do. How to fix it??
magnus Cruz connect negative negative and positive to positive.
Need to know about 78 pedel mowpad
help kymco aglitiy 50cc, new stator,carb,cdi still will not start. turn over real fast fast. wants to but won't. new coil.
one thing I need to know. What's the yellow cable connected to
gouderz
Montgomery Ortiz what's is this
wtf
My push to start and back signal lights and my horn does not work if you can help me
i will be very much pleased
Sup guys,jst wanted to ask,can i start the bike without a regulator bcs my regulator is broken in pieces(btw i got no lights on)and btw i dont get any spark on the spark plug..
Bike Gilera Runner 180cc,Regulator model Mitsuba.
+Lord DiєsєL it won't charge your battery without it
could the regulator / rectifier be causing a no spark situation?
Not really. He showed that it doesn't need to be connected in order to start the bike and have it running.
The only time your regulator would cause a no-spark would be if it was connected and it was shorting, but it's probably blow the main fuse as a result.
+Jack Shane No. It's only responsible for charging your battery.
Does anyone know if this regulator/rectifier is a half wave or full wave type?
Same problem as the guy under me what to do?
thanks :)
check your battery .... enough distilled water in it? or maybe it is broken already
Scooty Pep ki Front Wiring Kai se Bante Hai
can someone please help me i just put a new engin on my 150cc scooter everything is grounded well but it came with a new carb an a new cdi box an a new regulator the reg dont fit my connectors but everything else works even the new spark plug wire but now its blowing all my bulbs the blinkers an the horn an the brake lights work my head lights an gauge lights an blown an everytime i rev the bike up they blow so im not sure wat to do now can someone help me plz
Syxx Williams problem with your voltage regulator nothing keeping it from goig over 12 so its putting like 25-27 volts and higher on revs then pop check your regulator
Can some body help me,i bought a new stator for my 139QMB gy6 scooter my old one had a green wire my new one does not will the stator still work are will that stop it from working.....
+D.H.E TV i'm no expert can't even get my own bike to run atm but the green coming from the stator is an earth you don't need to use it but if you're not getting spark or having problems can't hurt to connect it to an earth
your male end was upside down when showing very confusing
Can anybody out there please give me a wiring diagram that is accurate for my 49cc TaoTao scooter what wires would I actually need to run the scooter I have a new racing CDI that I can't figure out what the wires go to can anybody help me please
Word of advice, next time have another person as camera man with you.
I got a good shot of motion sickness watching it.
This is one of his really old videos he now is a big TH-camr and his video production is top notch
stator needs replaced
holy shit the china man
video problem raks
Lol your in no position to be given advice... wow really .. you have no definitive knowledge exactly what is going on there....
Randall Highsmith I’m glad you said that because I thought the same. How could that possibly help without knowing the technical spec of each expected output. Very confusing and didn’t answer any of my questions.
watched the whole video... doesn't actually explain HOW any of it works, just how it's connected.
dude .. u got Parkinsons or what? is Michael j fox holding the camera?
i have a GY6 150cc and i changed the battery and it died on me. so i reacharged the battery and i checked the stator and im getting 19/21 AC. and now the battery went dead over night alone i didnt even touch the bike... so i jumped start the bike and i check on the battery im getting 12.50 DC. but wen i check the battery alone outside the bike the battery give me very low volt almost 1 volt.... any help plz... again the battery its new
even if the battery is new but it does not hold charge your battery is bad