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What gauge wire for air horn?

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=8581
Printed Date: August 07, 2025 at 1:33 AM


Topic: What gauge wire for air horn?

Posted By: Lee280zx
Subject: What gauge wire for air horn?
Date Posted: January 25, 2003 at 7:03 PM

I'm installing a basic dual-horn air horn setup in my '82 280zx. 

The installation instructions don't say what gauge wire I should use to wire the air horn compressor to the relay and the relay to the battery (just that I should use a 20 amp inline fuse).  I don't see any amp rating on the compressor.

What gauge wire do I need to use?  How would I normally know what gauge to use for any given application?

Thanks!




Replies:

Posted By: 10nesne1
Date Posted: January 26, 2003 at 9:05 AM
14ga wire is more than enough to hook up air horn.  Make sure you hookup a relay to it.


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