Controller issues? Voilamart 1000W Rear Hub

oroepke

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Mar 30, 2021
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Hi everyone, this is my first post. I have purchased a Voilamart 1000W rear hub drive kit, 48V 14.4 Ah battery and the bike runs well (except the weird PAS but that's another story...).
Today I installed a head and taillight with a separate switch by just tapping the wire dedicated for headlight at the controller.
This evening I realized that even though my display (SW900) was off the bike was on! The display was dark but I still could twist the throttle and the motor would run! I disconnected everything, reconnected it, left the headlight disconnected but same thing, bike rides with the display off. What could possible be the reason??? Thanks for any hints! (Austin, TX)
 

Frogslayer

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Feb 20, 2021
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Hi everyone, this is my first post. I have purchased a Voilamart 1000W rear hub drive kit, 48V 14.4 Ah battery and the bike runs well (except the weird PAS but that's another story...).
Today I installed a head and taillight with a separate switch by just tapping the wire dedicated for headlight at the controller.
This evening I realized that even though my display (SW900) was off the bike was on! The display was dark but I still could twist the throttle and the motor would run! I disconnected everything, reconnected it, left the headlight disconnected but same thing, bike rides with the display off. What could possible be the reason??? Thanks for any hints! (Austin, TX)
I was unaware they have a dedicated headlight wire. What was the volt's coming off of that?
 

oroepke

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Mar 30, 2021
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Same voltage as the battery, 50ish depending on how much it was charged, connector #1 in the pic below.
1617367841015.png
 
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