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  1. TommyCat

    one more try at sorting out this flaky motor issue ...

    Looks good to me. Thanks for checking. I think your good to try the new throttle. It wouldn’t hurt, but may be more hassle than what it’s worth… totally up to you. It would be like using an on off button for a throttle. And to see what that involves, see this thread. Using an On/Off-Momentary...
  2. TommyCat

    one more try at sorting out this flaky motor issue ...

    Sounds like a good plan. I’m a bit wary wondering why you are going thru throttles…? Unless you know why, perhaps take voltage readings on the 3 throttle wires coming from the controller BEFORE you wire up the new throttle. Otherwise looking forward to a successful repair tomorrow! EDIT: Hey...
  3. TommyCat

    one more try at sorting out this flaky motor issue ...

    Ahhhhh, you’re way ahead of me…. well done! The replacement you found looks good. .5 mm off in difference of handlebar diameters, but I would think that would be close enough. Sounds great. Also try that battery for the throttle hack to make sure the controller is working…
  4. TommyCat

    one more try at sorting out this flaky motor issue ...

    Hey, no worries about the throttle info. Your latest link was most helpful, and everything looks good. Your wiring and testing looks good and would indicate a bad throttle except for…. :mrgreen: But if I could talk you into taking the block connector out of the equation totally, just to be...
  5. TommyCat

    one more try at sorting out this flaky motor issue ...

    Sorry if we got off track, let me clarify just in case I didn't follow you correctly. When "bench" testing the throttle, you do all voltage readings with it separated from the controller. I.G. You don't have to reconnect the signal wire to the controller in order to check for a variable...
  6. TommyCat

    one more try at sorting out this flaky motor issue ...

    Yes. Surprised that the bench supply voltage is holding. That’s why we double check with different testing. Will look at the link, and thanks for the supply voltage info.
  7. TommyCat

    Help with controller wiring

    Hi CookFLHS, And welcome to the forum! :) In regards to the throttle connection… I‘m a firm believer in not trusting wire colors so would recommend going to this thread to determine how they are actually terminated. Guide to Hall Sensor Throttle operation, testing, and modification. -...
  8. TommyCat

    one more try at sorting out this flaky motor issue ...

    Definitely in the correct range and a bit of encouragement. (y) Does this voltage value increase when you put the “mode” in “high”? If so, make all your throttle voltage tests at this value. So as the voltage input to the throttle appears to be shorting out with the throttle connected. It...
  9. TommyCat

    one more try at sorting out this flaky motor issue ...

    Remove the throttle wiring from the connector. Measure the voltage coming from the controller with throttle removed, RED and BLACK wire. Does it come back to a true 5 vdc. To me your latest readings indicate a millivolt reading. (Very low) BTW, thank you for the pictures, link, and prompt...
  10. TommyCat

    one more try at sorting out this flaky motor issue ...

    … and should not vary with throttle twist. A link to your new throttle, and a picture of your controller’s sticker may be helpful. Readings as you’ve indicated shouldn’t even have the voltage to start the motor.
  11. TommyCat

    one more try at sorting out this flaky motor issue ...

    Hi Woofnbike, Could you clarify this statement a bit? The throttle puts out enough voltage so that the motor draws maximum amperage? Or what… Regards, T.C.
  12. TommyCat

    Error 5

    Yes, to make sure it doesn’t cause problems in the future. See threads like this for tips on splicing cables… best way to splice a 9 pin connection Bonus if you show a picture of your damaged cable and short! ;)
  13. TommyCat

    Error 5

    Sounds like your making some progress. :) This could definitely be the source of your problem. Did you cut out and repair the damaged section? If not tread carefully here. From your description I would speculate that the damaged main motor cable shorted and damaged the throttle. If you...
  14. TommyCat

    Wiring S866 error 10

    What is the error? With your meter reading the potentiometer’s output signal when all connected. (The wiper leg of the pot, and verifying which direction the voltage goes when turning the pot) Set its starting position for .8vdc. Then reset the controller and try it without moving from that...
  15. TommyCat

    Wiring S866 error 10

    Your controller requires the voltage output of a hall sensor throttle. See the differences here… Guide to Hall Sensor Throttle operation, testing, and modification. - Electricbike.com Ebike Forum But you may want to check for a damaged wire between the throttle connector and the...
  16. TommyCat

    Wiring S866 error 10

    Bad throttle or it’s wiring. Any pin connection to check? Wish to go deeper?
  17. TommyCat

    Wiring S866 error 10

    Throttle connected or not? If not, keep disconnecting other 5vdc peripherals until 5vdc returns.
  18. TommyCat

    dual throttle on single controller?

    Hi Jonasan-san, From your description, this thread post should give you the answer to your question. Guide to Hall Sensor Throttle operation, testing, and modification. - Electricbike.com Ebike Forum Regards, T.C.
  19. TommyCat

    Any tips for neatly wiring up an ignition?

    Thank you for the replies, much appreciated.
  20. TommyCat

    Error 5

    Thanks for the link. That throttle certainly looks like it’s made for your controller. Next I would encourage you to check the harness that goes from the motor housing up to the throttle. And inspect the connections for bent pins. Also for any cables that have been damaged, compressed, or...
  21. TommyCat

    Error 5

    Hi bmarques, And welcome to the forum! :) I’d first recommend verifying the replacement throttle’s wiring pin-out to match the controller’s harness. Have a link to the new throttle? Regards, T.C.
  22. TommyCat

    Any tips for neatly wiring up an ignition?

    Bump.
  23. TommyCat

    Wiring S866 error 10

    Hi RonnyH, As far as the wiring is concerned, I thought the linked thread information was pretty straight forward to connect to your controller designations. Display wiring. With the RED wire being positive battery power always available with battery connected and “on”. But with the display...
  24. TommyCat

    Bravo EVT 4000e Throttle Conversion

    Looks like your intuition was right all along. :) Job well done! Cheers, T.C.
  25. TommyCat

    Any tips for neatly wiring up an ignition?

    Do I understand correctly, that if you break the incoming power wire to the display. Using the key switch to provide that power to BOTH pins 1 and 2 simultaneously. One would STILL have to press the power on display button to get it to light up...?
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