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About product and suppliers:
        Alibaba.com offers 205 auto horn relay products. About 27% of these are speaker & horn, 25% are auto relays, and 24% are relays. 

A wide variety of auto horn relay options are available to you, such as 12v, 24v. You can also choose from electronic, automobile, and automotive. As well as from electric horn, air horn, and adapter. And whether auto horn relay is free samples, or paid samples. 

There are 205 auto horn relay suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of auto horn relay respectively. 

Auto horn relay products are most popular in Western Europe, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 33 with ISO/TS16949, 28 with ISO9001, and 11 with Other certification.