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Only need to connect three wires, easy to install(COM —— Horn + ;+V —— 12V Battery + ;-V —— 12V Battery -). It solves the problem that the horn of the original car is very hard to press. COM —— Horn +.
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.