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Discussion Starter #1
Hey guys. I have a 08 wrx and want to install a Intercooler sprayer. I dont want to hack up the windsheild stuff and want to find a way so I dont have to install a ugly button somewhere in side the car. I have an aftermarket radio installed and dont plan to hook up the steering wheel control so i came up with the idea of using the mute button on the steering wheel as a I/C button. I think it would be perfect since its very easy to reach. But I would need some help.

1. I dont think the mute button send a 12v current, is this correct? If so, is there a relay that will take a variable current?

2. Does the mute button send a pulsing type current or a steady one?

Any tips would be great!

Mods: feel free to move this thread if its in the wrong section.
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