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    12v relay wiring help

    I found this from the manufacturer web site. This may help.
  2. S

    12v relay wiring help

    Unfortunately I failed to keep the original wiring harness to make my life easier. Essentially I’m trying to build a new harness just a smaller scale that will fit into a hard case.
  3. S

    12v relay wiring help

    Manufacture recommendations is a 40 amp, 4 pin Bosch style relay. That’s what I ran it with for 5 years with never an issue. It’s a small ARB single compressor that puts out 3 CFM.
  4. S

    12v relay wiring help

    Got it. Keep it at 40amp fuse. I haven’t purchased the wire or clamps yet, so if anyone has a good source for those please let me know. All the original wiring that came with the on board kit was 10 gauge, but I failed to retain any of it when I got rid of the truck. Can I wire the switch, relay...
  5. S

    12v relay wiring help

    Ok thanks for everyone’s reply’s. The compressor has a 14 amp draw at no load and 32.2 at full load and my plan was to wire everything with 10 gauge cable. 10 gauge because that’s the size of the +/- cables coming off the compressor. Also when it was hard mounted in my truck it was fitted with a...
  6. S

    12v relay wiring help

    Hi folks. I have two questions. 1. I’m converting my on-board air compressor to a mobile unit and not sure how to wire up the 4 post relay and switch to power. Everything I found online talks about hard mounting the unit, but my plan is to run the power through jumper style cables and mounting...
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