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Three-color wiring: It only takes a few minutes to complete the wiring of the motorcycle handlebar switch,black wire and black-white wire is negative polarity, connect to the positive polarity of the LED light, red wire is positive polarity, connect to the positive polarity of power supplies.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.