Can I tap into trailer 7-pin 12v power?
I'm looking for a 12v power source to run my air-bags compressor. The 7-pin trailer harness connection at my hitch has a switched ignition 12v 30amp source that would be perfect. The compressor requir...
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Run a wire from the battery to a solenoid then hook the solenoid to a switched circuit. Always remember to fuse it. I don't know but the vehicle could have provisions for something like that.
