Quote:
Originally Posted by 67cheby
why dont you just make a couple extra of those little doohickeys, how much ?? nice work by the way
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Thanks.....didnt know there was a demand for them!
Quote:
Originally Posted by kev2809
how do you plan on mounting that project box? i just picked one up today, i think its a great idea. i also bought a barrier strip too so i can run my ground wires from the valves to make it look nice and to keep the water from getting all over them.
so basically when running 2 compressors...you ground the second relay (85), then tie the 86 off the second relay to the pressure switch wire (so both 86's to the pressure switch), 87 to the second compressor, and 30 to the battery (with an inline fuse)?
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I mounted the project box on the frame behind my passenger rear tire. The bolt in the center of the box is the mount which doubles as a ground lug. I did both relays identically, I never remember the #'s on the terminals. Yes, the leg going to the pressure switch is a 'Y' and activates both relays.
mullit is absolutely correct about fires. The fuse at the battery protects against the wire feeding power turning into a welder if it was to short against the frame, for example. In my set-up, if the fuse burns out the wire will still be hot along its entire length making a potential hazard.