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  1. J

    Help Yescom / Battery Problem

    Got it working. Thanks for all the help. I was able to find an old pc plug that I cut one end off and wired to the controller. Seems to work fine, it say 125v 10amp on it compared to the yes com kit that said 250 v. Hope that is okay.
  2. J

    Help Yescom / Battery Problem

    Yes. I think you're right. It does read from the prongs though. The one that you squared that is damaged still seems to work, but the female receiver from the yes com kit I think is the problem. Where the battery positive was connected incorrectly to the female negative yescom adapter looks...
  3. J

    Help Yescom / Battery Problem

    Yes. Still learning this stuff. Read 40-42v on DC setting. The battery is a 36v 20ah. Looked at my yescom plug a little closer and I think the positive internal part is fried. Will need to get another.
  4. J

    Help Yescom / Battery Problem

  5. J

    Help Yescom / Battery Problem

    Thanks the pic of them is with them now reversed. New problem is that the battery is reading 90 at the prongs whether the switch is on or off. However the ends of the cables provide no reading on the yescom cable.
  6. J

    Help Yescom / Battery Problem

  7. J

    Help Yescom / Battery Problem

    I bought one. Just figuring out how to use it now. I have determined the yescom and vpower connectors are backwards. Negative to positive. Can I just switch the blue and brown cables that plug to the red black on the controller. The battery is showing about 90 on the multimeter, hope that is normal.
  8. J

    Help Yescom / Battery Problem

    Thought I would edit my last post as it was not to clear. So its become pretty obvious that the yescom USA plug and the vpower battery plug receiver do match up positive/negatives. I have attached a pic of the yescom plug w the label end cap (red positive) on top of the BMS that came w the...
  9. J

    Help Yescom / Battery Problem

    Thanks I'll take a look at the BMS it did sound like something was loose. Regarding the plug, can you give me some tips on replacing with the Anderson power pole. I guess I would cut the yes com wire plug off and add those there and then cut the battery wires and put them on there. Does that...
  10. J

    Help Yescom / Battery Problem

    Thanks. I'm going to grab a voltmeter today to check the battery polarity. R3volved are u using your battery w a yescom kit? Did you need to change the plug polarity?
  11. J

    Help Yescom / Battery Problem

    I was just thinking, do they make a female to female adapter that would switch the polarity so it correctly matches the battery and yescom plugs?
  12. J

    Help Yescom / Battery Problem

    Thanks Dan, does that just pop out? And what would I need to buy to replace it? Assuming it will need to be replaced along with the plug if the polarity is off.
  13. J

    Help Yescom / Battery Problem

    Thanks, I read some more and looked at the plugs. It looks like the positive and negative on the yescom kit plug do not match the vpower battery. I made the assumption they would, given there is only one way to plug the cable in. When I plugged it in I got a pretty large spark and some smoke...
  14. J

    Help Yescom / Battery Problem

    So I finally got my battery from vpower and I went to plug it in to my yescom kit and got a nice surprise..... sparks! Im trying to figure out what I'm doing wrong, I plugged the yescom plug in the only way it would match to the battery. What am I doing wrong?
  15. J

    New ebike build

    Thanks D8veh! Think I got it on the right way. I will check to make sure as soon as my battery arrives. It shipped out by sea June 1st, hoping it gets here soon.
  16. J

    New ebike build

    Last time I'll bother you guys on this one. Here's my last attempt based on what you've posted. Forgive me if I'm not understanding. Yellow sensor cable to black pas ground Red 5v sensor to red 5v pas cable Blue sensor signal to blue brake cable I plan to use electric tape to connect the...
  17. J

    New ebike build

    Thank you both for your help and clarification.
  18. J

    New ebike build

    So it looks like I should just disregard the blue wire on the sensor and run the other 2 into the adapter off my yescom brake levers and plug that to the controllers brake adapter?
  19. J

    New ebike build

    Hidden wire brake sensor for electric bicycle 1. Rated Voltage: 4.5-6V (DC) 2. Current without braking: 2mA 3. Current with braking: 3.6mA 4. Lead tension: >20N 5. Corresponding time when braking: <0.001S 6. Effective working distance: 2~3mm 7. Mechanical life: >2M times 8. Electrical...
  20. J

    New ebike build

    Ok thanks, thought the post above recommended using the PAS and it had a similar connector so I went w it. This is the sensor I got. http://www.greenbikekit.com/hidden-wire-brake-sensor.html
  21. J

    New ebike build

    Thanks. Let me know if this looks right. This is the sensor going to the controllers PAS.
  22. J

    New ebike build

    Here's another pic
  23. J

    New ebike build

    Was wondering if someone could help w another question. I bought a brake sensor to use instead of the ones that came w the yescom kit. Wanted to be able to use my own brake levers. Anyhow the controller has a different connection for the brakes than what came w the after market sensor. If anyone...
  24. J

    Yescom kit arrived: controller question

    Cool, thanks!
  25. J

    Yescom kit arrived: controller question

    Ok , Thx. I got the 36v 800w and it does have a silver circular pattern around the hub. Im waiting on battery still, it is 36v 20ah lifepo4. Is there a good add on that would hook to the controller and work as a battery gauge? Or does that require a different controller? Hope the OP got their...
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