Rocko19661

how can i fix this please can someone tell me
HELP MEI NEED THIS FOR WORK

and need help after conecting + - wrong now my ebike run but when i try to go to full throttol it shuts off i put a switch on +of line to battery and controler i can turn it off then back on it well work to turn the power on but the same thing as i pull throttol for hier speed it turns off unless i eather try throttol from reel slow lo to hi i may get it to go fast some times is it battery bms or??

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i am now in ebikes