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  1. kmxtornado

    KT Controller / LCD4 shuts off intermittently

    I haven't quite figured out why, but my KT LCD4 display shuts of sometimes at stop lights. I thought maybe there was a timer where if the motor is unused for a period of time and there is. In the manual, it says 5 minutes.However, even occasionally at 2-way stop signs where I'm waiting for cars...
  2. kmxtornado

    KT Controller P5 Setting for 48V LiFePo4

    Hi, I'm trying to make my battery level readout more accurate. Since a LiFePo4 battery has a very different state of charge chart than a Li-Ion one, how should I properly set my P5 setting on my KT controller? P5 is the battery monitoring settings which tells me how "full" my battery is using...
  3. kmxtornado

    kmxtornado's first e-bike conversion build thread *photos*

    It's literally been 11 years! Time for an update! After some research, I decided to again go with a LiFePo4 battery after my first one failed. Thank you everyone who's helped me on my journey and for responding to my more recent posts. You've been awesome. 2022 UPGRADES: 1. 20ah battery...
  4. kmxtornado

    MPH not showing up on KT LCD4

    For whatever reason, the MPH started working when I took the bike out today. No clue why or how. The numbers just started moving from 0 where it was previously. Very intermittent. I did install the PAS a few hours ago and no effect. The MPH sometimes works and sometimes doesn't. PAS is steady...
  5. kmxtornado

    MPH not showing up on KT LCD4

    Thanks for your reply. Yes, my Hall connector does have that extra sensor wire that isn't used. That also could've been a temperature sensor from what I understand. Since it's an old system, I really don't know. No diagram. However, there's also an additional separate wire coming out of my NEW...
  6. kmxtornado

    MPH not showing up on KT LCD4

    How does the bike sense speed? On my old setup, I had a magnet and sensor on the wheel that sensed the MPH on a separate cycling computer (has nothing to do with the e-bike kit). However, on my new setup with new controller (KT's 500w 25a), there's no such sensor nor connector. I assume I just...
  7. kmxtornado

    Grinding noise from motor?

    Thanks again @Voltron.
  8. kmxtornado

    Are my throttle wires mixed up?

    Other issue resolved. Wire colors do need to match in my particular case. A Amped Bikes controller sold to me through Hitekbikes was replaced after 11 years by a KT controller. Slightly more amperage 25A compared to 22A and gave me more functionality like integration of a display, opportunity to...
  9. kmxtornado

    Grinding noise from motor?

    You guys are both going to hate me. I thought I was working in good lighting, but apparently I'm color blind. I connected the wrong color 3-phase wires together. Green to blue instead of green to green. I'm an idiot. Feel free to tell me so. Didn't mean to waste you guys's time with that. I was...
  10. kmxtornado

    Grinding noise from motor?

    I'll check that too. Possible some of my connections on those 3 bullet connectors weren't tight. I think my connectors were for a gauge that's smaller than what I'm using. May need to revisit the hardware store again tomorrow. Thanks for looking out.
  11. kmxtornado

    Grinding noise from motor?

    Okay, I’ll look for the posts. I thought maybe my P1 and P2 settings were wrong. I was toying around with it and no luck. So I’ll check the wiring.
  12. kmxtornado

    Are my throttle wires mixed up?

    Thanks all. I did end up swapping the wires and believe everything is fine. New issue but I've started a new thread since it is not quite directly related to this topic.
  13. kmxtornado

    Grinding noise from motor?

    I recently swapped controllers and tried to figure out the wiring. I’m confident I connected everything correctly. However, there’s a grinding noise from the motor when the throttle is engaged. The wheel spins very gently. My guesses: 1. Can a loose 1 of 3 motor wires cause this? I know that...
  14. kmxtornado

    Are my throttle wires mixed up?

    If I'm wrong with the wiring, will that toast my controller or will it just not work and then I have another chance and returning the wires to the way they were?
  15. kmxtornado

    Are my throttle wires mixed up?

    Looking for your expertise again. This may be the last question before I can get my ride running with an upgraded controller. My KT controller has the red wire in the middle whereas my throttle connector has the red wire on the side and the black wire in the middle. Do I need to swap the...
  16. kmxtornado

    5-wire motor to 6-wire controller?

    Perfect! Thanks!
  17. kmxtornado

    5-wire motor to 6-wire controller?

    Hi, hoping you guys can help me out. I’m sure this is an easy one for some of you but I may be stumped if my assumptions are incorrect. My motor (hall?) has 5-wires on the connector but my new controller has 6-wires. Are they compatible? Do I just skip the missing white wire? From searching...
  18. kmxtornado

    How to connect 4-wire throttle to a 2-wire controller?

    Yeah, unfortunately the original controller is 11 years old and resold from a company called Hitekbikes which is no longer in operation. They used an Amped Bikes controller. They're still around I believe, but the controller is still very old so no record. The photo in the post above...
  19. kmxtornado

    How to connect 4-wire throttle to a 2-wire controller?

    Sorry for my mistake, it looks like there's actually 3 wires - not 2 like I previously posted in my original post. Sorry, old 41 year old eyes and getting to me apparently. So from what you're saying, it looks like I have a "hall" one. But which of the 3 wires do I use and which to connect to...
  20. kmxtornado

    How to connect 4-wire throttle to a 2-wire controller?

    This is the wiring diagram for the controller I bought. I was wrong in my original post. Mistakenly wrote 2 wires, but now I see there are 3 wires for the throttle:
  21. kmxtornado

    How to connect 4-wire throttle to a 2-wire controller?

    Hi, thanks in advance. I have this old school thumb throttle with integrated voltage meter from 11 years ago. I'm replacing my controller, but the throttle wires on the new controller only has 2 wires. How do I make the connections? My guess is that two of the 4 wires are for power to light up...
  22. kmxtornado

    Am I an idiot for using V-brakes?

    I wanted to follow up so you know you're not responding to a ghost. Thanks guys for correcting my reference of v brakes when I actually in fact have cantilever brakes. My mistake. Thanks for the recommendation and feedback on replacement pads. I now have Kool-Stop Salmon composites. Gotta love...
  23. kmxtornado

    Am I an idiot for using V-brakes?

    Awesome, thanks for the recommendations! Excuse my ignorance, but what is DD?
  24. kmxtornado

    Am I an idiot for using V-brakes?

    The bike I recently revived from 2011 uses V-brakes. I was thinking about disk brakes but finally decided it's not worth the money for me currently. The only reason I have concern now vs before is b/c I'm taking on my hills since moving and also I've overvolted it to run on 48v so it's got a bit...
  25. kmxtornado

    What is sinewave vs squarewave?

    Thanks for tho the warning!
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