Quote:
Originally Posted by asdfsammich
Interested in this. Got a link to info on the product?
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The manufacturer sucks at the internet. Their site is horrible and product link is full of broken images heh. I did find a link to the PDF of the install guide for it though:
http://www.propartsllc.com/pdfs/Pressure.pdf , which shows the wiring and how the buttons and programming works. The purple wire will ground up to 1.5A of load when the programmed pressure limits (high/low) are exceeded. You can use a relay with that (as they show) to drive higher current stuff, but the 1.5A it gives is plenty to run a ~95db (or more) piezo buzzer. The gauge face itself flashes red when the limits are hit.
A bunch of install details from when I put it on my car start here:
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