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Michael
Lv 5
Michael asked in Cars & TransportationMaintenance & Repairs · 4 years ago

Question about wiring lights on electric bicycle?

I have a Bafang 8fun mid drive 750W 48V motor and I believe a 48V 12ah battery and I am in the process of putting lights on it, I already have a 48V headlight IDK how many amps it draws or if I should wire it direct to battery power and to motor or if I should place fuses? https://www.ebay.com/itm/232133387411

Then I want to get these 12V lights but they can not tell me the amps they draw https://www.ebay.com/itm/201533140124 and this one https://www.ebay.com/itm/281489015712

Can you give me an idea what converter(s) 48V to 12V DC/DC and how many amps? Where if I need fuses and or if everything to get her would be too much for the battery? How many flashers will I need? Can I run a ground through the frame of the bicycle?

Thank You...

Update:

Would this 48V to 12V 5A reducer be sufficient for the 12V lights? https://www.ebay.com/itm/321558757804

1 Answer

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  • jimanddottaylor
    Lv 7
    4 years ago

    You need a resister to limit the voltage to your 12V lights. Ever electrical item you put on the bike should have a fuse.

    Yes it is very common to use the frame as a ground

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