Not sure. This horn will blow the original 10 amp truck horn fuse. I used the provided relay with 30 amp fused wire directly from the battery. Horn works great with it's own power circuit and using truck wires to control the relay.
Wolo Bad Boy Chromed Air Horn, Model# 519

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- Powerful, dual-tone air horn is twice as loud as factory horn
- Compact 1-pc. design fits most 12V vehicles
- Maintenance-free compressor
- Includes bilingual installation instructions
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