Well my friends I did it!!! First try. Sounds good too for the price I paid. Thank you to everybody. I still don't get relays lol.
The simplest way to understand the purpose of the relay is to think of it like this. There is the load side (high current side in this case your horn compressor) and the control side (low current in this case the horn switch). Without utilizing the relay your conductors, switches, circuit protection etc would all have to be heavy duty making it bulky, impractical and expensive.
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