Wiring colors for Taillight

by **lobo rojo** Mon Mar 23, 2009 11:31 am

I am replacing the taillight with an LED taillight but hope someone has some ideas on the work colors.

The wires from the bike are

Black/Yellow – labeled on stock taillight as 54 STOP

Red/Yellow – labeled on stock taillight as 58 POS

Solid Brown – I assume this is ground (isn’t brown always ground on BMW???)

The wires in the LED replacement are:

Solid Green

Green/Yellow

Solid Brown

I guess that is what I get for buying the taillight on eBay (I emailed the seller and waiting on a response).

Thanks for your help. Steve

by **lobo rojo** Thu Mar 26, 2009 12:30 pm

I heard back from the seller on Ebay with the following descriptions:

Dear buyer

the yelllow is connect to positive polarity

the brown is for ground

the greeen is for negative polarity

any question , please contact with us freely

To go with that explanation, will someone confirm the polarity for the BMW wiring? I assume it will match up like this:

Positive: BMW Red

Negative: BMW Black

Ground: BMW Brown.

Please let me know if that is correct. Thanks again for any insight.

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Wiring colors for Taillight

Wiring colors for Taillight

Re: Wiring colors for Taillight