12v keyed power

[alldaysports]

Installing an ARB onboard air compressor in my 21 75th Powerwagon. Where’s the best place to grab a 12v keyed power lead?


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[jetrinka]

Don’t need a switched ignition wire. Should create an entirely new circuit standing alone from the vehicle harness.

Ignore the fact that the diagram has an ignition on power source for the relay. I’d go right to the battery so the key doesn’t have to be on to run the compressor

 

[jadmt]

I found compressors are designed to operate most efficiently direct from the battery with truck running.