Bafang extra wires. Many of which come with the motor...
- Bafang extra wires. Many of which come with the motor kit. Thanks. I am building a kit by myself with a bafang 250w QSWXB, brushless planetary front hub and a Lyen controller. Note that this is just a general check with a Digital Multi Meter. Read to know more. I am so lost here, I messed it up big time!!!! To be safe you should probably wait and hope someone that knows E bikes can verify but I think if there are 3 wires on the motor and 3 motor output wires on the controller the worst thing that will happen if you don't get it right is the motor will run the wrong way. we support worldwide retail, wholesale services for e-Bike Motor Price and other details may vary based on product size and color. Step by step instructions on how to install a Bafang mid drive motor on to just about any bike using just a few tools. Can someone tell me what wires to cross? Online I found specs for the old one 1. Are you struggling with the speed limit of your electric bike? In this write-up we will talk about how to remove speed limiter on electric bike. Red wire: Anode (24v/36v) 2. Expert tips on 48v systems, Bafang motors, and boosting performance. When swapping wires around, I found it very handy to use a barrier strip terminal block to hold the wires. Yellow wire: TxD (display -> controller) This space is generally large enough to bundle and neatly tuck away extra wire. Is it for a light? The other extra wires I’ve seen on other motors for a light are space connectors. View attachment 12 View attachment 10 View attachment 1 This part is very important: I cut them to see what is going on and I saw an extra brown wire. Hi I have been around for quite a long time and have learn a lot from ES. I have a bafang geared rear hub motor in a fat bike. He claims the wires Being able to TIG Weld the seams will add extra strength to the build. You should be more concerned of the flimsy wires than a solid alloy case. Green wire: RxD (controller -> display) 5. I see they make them up to 80v and 10Ah, and many other Key Post: KT and Lishui wiring sequence diagram, and voltage readings indicating abnormal reading on Yellow (TX) wire. All three readings should match. Nothing to do with those other than wrap them in wire loom and try to make it less unsightly. The silicone wire is rated 200 degrees and I used xt60 connectors to my controller. It’s also short so I can’t reach the battery. If those wires are the only excess you have, I'd just try to find some kind of small plastic box, or maybe design something and have someone 3D print it for you. I want to try to run the Bafang Configuration Tool and see if it is possible to remove de speed limit, and in the future maybe more settings. 5 Ah battery and charger at a garage sale for next to nothing. Reply reply rotarypower101 •• Edited I picked up an EGO brand Lithium Ion 56v 2. But this is a weird two pin that doesn’t seem to go anywhere. The Ride1Up sports a Bafang G3000. Helpful post if you're working on an Add Motor bike with proprietary harness and controller. It is used in some modern cars but I doubt it is exactly the same protocol used by Bafang in 2023-2024 models. In which case u gotta buy those too. The old controller had a modified shunt. The ebay post im looking to order it from showed the attached image as the connector on the motor, which is different from my current one(a 9 Take out little board that the 3 wires hook to and put that little board on the new battery. Learn how to wire a Bafang controller with a clear diagram. For instance, a 48V 16s board when you only need 13s to get to a 48V battery. You have to know that Bafang connections plug or ERT or ASI mode are differents , and you can break your display or controller with wrong signal between controller and display. Wire to wire and the other end soldered to the controller wires. Tried putting it back together and nothing is working. Even with the excess wiring there was always a bunch of extra leads coming out of the CA. But the controller comes with a plug for displays, and it fits and the wires match the original display. The motor has his own connector with 3 big pins ( for the 3 phases) and 6 ( yes six) small pins for the halls Hi guys I recently mounted my controller on the upper front area of my frame and by doing so, soldered extra length wires to the Bafang 8fun rear hub motor in order for the wires to reach. Next, connect the brake sensor cutoff wire, which is the yellow male wire. What are these extra wires for and what can you do with them if you have more than is needed? I Hi All, I am replacing my current motor and looking to use a Bafang rear hub motor (i know its not top tier, but still better than my current one haha). we support worldwide retail, wholesale services for e-Bike Motor I didn't like the way the zip-ties and wires on the outside of the bike looked so I decided to use the internal routing that already exists on the bike for better wire management with my BBSHD Bafang. Do you think that any of the wires An extra pin will poke into plastic with no hole and the two won't press together fully/an extra hole means the pin positions don't line up, etc. With 50% more torque and 100% more power than most motors. Recently while riding the throttle stopped working but I already had a new controller in the way so I didn't worry about it too much. Mid Motor Extension Cable for Bafang Display Extension Cables Electric Bike. If it does swap any 2 of the 3 and it should then go the correct direction. That way, if the motor is running fairly warm from high amps, the external wires and connectors will not be the limiting factor. Learn how to select, wire, and troubleshoot your ebike controller. Some of these lights would work just My new says Bafang c965 a0148 bf8. With zero experience in modifying and repairing bicycles, I am challenging myself to build an electric bike! I am using a Bafang BBS02 mid-drive motor kit, and converting my cheap road bike into a powerhouse… In so many ways Bafang’s BBS02 750W drive unit is a dream come true. Looking to pick some brains here. What is this connector on BBS02 drive motor? Purchased from Electrify Bike Co. Perfect for extending your motor connection for that perfect fit Save yourself the hassle of a wicked soldering job. I ride mine around salt water at low tide constantly (easily hundreds of miles in the splashing wet/rain) and it's held up totally fine. Choose your length to fit your needs. Hi guys This is the second time Ive encountered this on my Bafang 8fun motor. 250 motor and a C15. If a hall signal wire makes contact with the hall supply, there is a good chance of blowing the hall sensor. Powerful, fast, and quiet Bafang BBSHD / BBS03 mid-drive motor. You must buy the entire motor and battery system from Bafang. I need to change the connector. I"m looking to connect up headlights and rear lights directly to the 52v battery on my ebike using a BBSHD. Hello, i have a e-bike with a Bafang M400 G330. Im not sure what the 3 pins are. Today when riding the wires melted I like my three motor phase wires to be fatter than the stock wires (at least the sections that are outside the motor shell), and I want the connectors to be bigger too. 1) It seems there are 2 options - find lights that support 52v or go with a converter for 12v lights. This extension cable is specifically designed to fit the Bafang BBS01, BBS02 and BBSHD motors. Or buy a 3rd party controller and still maybe have compatible issues with throttle pas and brake cutoffs. Is the Bafang waterproof? Would I need to adjust the chain on the bike based on the sprocket I choose on the Bafang? In addition, any extra input on sprocket selection to help me decide would be cool. Motor has the 3 phase wires and the 3 PIN connector. It is small, light, and appears to be a well rated popular heavy duty battery for large yard tools like lawn mowers and snow blowers. uart display (Branded with logo Cortina). Below is a pic of the wiring from the 250w hub motor, the standard 3 phase, but also 3 wires i assume is the hall (RED,WHITE,BLACK) i have a faulty motor controller so have decided to buy a replacement part from ebay, unfortunately i couldnt get a factory I personally recommend the Bafang 500C screen, it's my favourite as it allows password protection and is fairly small and discreet. Motor Winding Testing. Which wires go together? Pic attached. So after installing the new controller the motor still won't work Hi there fellow Bafang Owners! Has anyone here had any issues with theirs? What issues? Any tips, advice you have? Stick with me now as I will get to the point of the post below! Here is my experience: I bought a Cyrusher XF800 Fat E-Bike last summer which has a Bafang 750w Motor 48v 13ah Can confirm with the grease! Also you can use silicone around the wires to seal it extra (though they are sealed by default). I did I've never seen these models, both my units are 8 pin, but I would assume you have to go into the motor to find the extra wires and bring them out to attach the throttle. Jan 22, 2026 · Learn what to look for in a Bafang cable, including types, key specs, compatibility tips, and how to avoid common pitfalls when upgrading your e-bike system. Best disconnect all power before swapping wires. I want to make an ebike with the Bafang kit but have some questions I hope someone can answer. I found one from e bikeling which was $50 and a display module for around $30 so already had almost as much as the cost for both motors just to get one of them working. Blue wire: Power cord to the controller 3. So I had disconnected a few wires without marking them. This article provides step-by-step instructions on connecting the wires correctly for a successful installation. The rest of the wires are exactly the same color What is the brown cable for? Can I bypass it? Learn how to diagnose and fix rear-wheel hub motor e-bike wiring issues. It allow capture analog battery . i break 1 Bafang controller and 2 displays using wrong cables ! On Bafang type, P+ is sended to the display, and it's Battery voltage. Its length of 13-3/4 inches provides extended flexibility to help you customize your motor setup, for a more versatile and comfortable ride. With the 3 phase wire leads (heavy gauge wires) disconnected from everything and not moving or turning the motor. This comprehensive DIY guide covers common wiring problems, from loose connections to motor sensor faults, and provides step-by-step e-bike troubleshooting tips to keep you riding. I soldered the wires in two places. Now BAFANG is introducing a new protocol called CANBus. These 10 wire connectors carry the three phases over thicker power wires and have an additional 7 wires for Hall power+signals, temperature data, and speed data. Any short circuiting or water ingress could cause major problems later on. While more expensive and harder to use in the DIY environment than earlier connectors, they are very reliable in use and probably worth the tradeoff. . And the wires are well protected by the chainring, which would need to be folded over before the wires took a hit. I'm working on installing one on a ebike with a bafang hub motor. Next post is also good, it shows both KT, Lishui, and Bafang) configurations. I have read al lot of topics on this forum While visiting my buddy Chris Nolte at Propel Bikes in Brooklyn, NY we spent some time talking about bicycle lights. If I understand his investigation the dude with the same controller who opened his controller. We are using this plug with the same motor hall and phase colour standards as the Z910, and are using the extra white signal wire for motor speedometer, and the extra grey signal for a 10K thermistor. Torque, power and battery capacity on the CF Racer1 are identical to the MAHLE X35 bikes. 250 which I can’t find under the number stamped on the motor but is identical to the Bafang H600 on their website. Chris runs an electric bike shop, so most of the models we looked at had the option to wire-in some lights to run off of the ebike battery. Those controllers can be found but require a display module to start the motor which is extra money. I bought mine during the pre-buy period in late December 2023 and it arrived in mid-January 2024. 1 V5. It works by allowing multiple electronics to communicate at the same time, using the same wires, without interfering with each other. Be very careful when swapping the hall signal wires around. UPDATE: A Bulgarian hacker living in Norway named Penoff used the source code and completely rewrote the Bafang programming software. Bafang BBS02B street-legal mid-drive motor. We hope to see this become a new industry norm. Perfect for DIY enthusiasts and electric bike owners looking to customize their Bafang controller setup. This motor is rated at 750 watts. Nov 14, 2025 · Hi, we focus on the DIY bicycle modification industry over 8 years, has good cooperative relations with BAFANG/Tongsheng/MXUS company. Another huge problem with the Bafang M625 is that Bafang decided to make the motor only work with a specific battery and charger from Bafang. Moving back up to the right side of the handlebars, connect the throttle wire, which is the yellow female wire. Black wire: GND 4. Curious as to how many Bafang Mid-Drive builders wish the wiring harness wires that comes stock with BBSHD kit should be longer. Feb 26, 2010 · I don't usually disagree with peeps on this forum, but personally I wouldn't be cutting any cabling on the BBS harness or extra wiring from the motor unit. Almost anyone with very little technical know how can order a drive kit and 48v-52v battery pack and have it installed and… Now, the bafang has a white speed wire coming out of the hub motor, but on the hall plug of the controller, there is no connection for it, nor is there a standard single speed line like you'd expect in one that didn't have it there. Find a complete Bafang wiring diagram and learn how to wire your Bafang electric bike conversion kit for optimal performance. All the settings are the same but the software that Penoff has written fixes a lot of the annoying bugs (like the com ports not showing up properly) and works the way the original Bafang software SHOULD have worked. Price and other details may vary based on product size and color. I've read through several threads, but can't seem to find great answers, so I'll post my comments/questions here. I need help as to what wires get plugged into what. Small red and black wires with two pin connector. This motor is rated at *1000 watts. I've noticed that some BMS boards have more red wires than is necessary for the number of cell packs for that voltage. Pay attention to male vs female configurations. Need help? Extension Cable for the Bafang BBS01, BBS02 or BBSHD. Twice the torque of other mid-drive motors. Or look into using a VESC Controller. 0 black, green, white, orange and brown. I extended my phase wires by soldering silicone wire to reach my controller mounted on my frame. But the controllers I find seems to be for hall sensor, thats 5-6 pins. It might be possible to double the phase wires, retain 5 hall wires for sensored operation, and also add three of the extra hall wires for the temp probe operation, since the hall wires are very thin. Maybe the motor has more electronics inside it or some other technology. So my question is can I take one of the Hall wires other than the red and black one out of the connector and replace the terminal and add another short wire and terminal and jump this wire to the vacant spot on the motor side Hall connector housing to provide a signal to the white wire? This also results in ten shorter hall wires, instead of the stock 5. Hi all, I have a new KT controller which has 6 hall sensor wires, but my motor has only 5. To connect a 9 pin cable to a 10 pin cable you have to cut the connectors off and solder the individual wires together, ignoring the one you don't need. Test resistance (ohms)between two phases at a time and comparing all three phase combination's resistances. wdqz, ljiw, iuiy9, usln, a7prc, k0hdm, xb3t, mzfhoe, mjbdql, z0wvfu,