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Light bar to AUX

What is it's purpose? The left and the middle
The installed switches have no power to them and away from. They are just a blank, so to speak.

The middle harness supplies 60amps of power from the battery to the harness on the left.

The left harness is what I'd call the main event. It takes power from the middle harness and controls(relays) and protects(fuses) the wires that are stubbed out from it for accessories(lightbars) by switches 1-4.

All that the switches do, is supply a ground to each relay that corresponds with the switch number in the left harness.

The left harness also plugs into an existing truck harness that has a plug installed from factory. This existing harness feeds current to the little light that illuminates the switch number when energized. The switch lights dim and brighten the same as all other truck switches.

This same truck harness gets feed current from switch #5 and routes that power up into the 3rd brake light, to supply current to a roof top becon.
 

Welcome to the crew! Kinda late to this party, but I see the usual "been there, done that, know it alls" have you covered! 🤣 So many with so much knowledge! It's awesome!
 

It’s wild to me that even with a factory option for switches there isn’t a pre-run power option on these. Also the fact that the brain for the switch stays inside the truck and not mounted in the engine bay is somewhat interesting.

I run all Diode Dynamics lights and will be upgrading from an Auxbeam 8 gang that I ran in my Ram to the new Diode D-Switch this my AT4X.

With enough time on YouTube you can sort it out. If you’re not comfortable with wiring, you might opt to find a local Off-road shop to help get you dialed in. Not something you want to have loose connections or shorts in.
 

The installed switches have no power to them and away from. They are just a blank, so to speak.

The middle harness supplies 60amps of power from the battery to the harness on the left.

The left harness is what I'd call the main event. It takes power from the middle harness and controls(relays) and protects(fuses) the wires that are stubbed out from it for accessories(lightbars) by switches 1-4.

All that the switches do, is supply a ground to each relay that corresponds with the switch number in the left harness.

The left harness also plugs into an existing truck harness that has a plug installed from factory. This existing harness feeds current to the little light that illuminates the switch number when energized. The switch lights dim and brighten the same as all other truck switches.

This same truck harness gets feed current from switch #5 and routes that power up into the 3rd brake light, to supply current to a roof top becon.

The installed switches have no power to them and away from. They are just a blank, so to speak.

The middle harness supplies 60amps of power from the battery to the harness on the left.

The left harness is what I'd call the main event. It takes power from the middle harness and controls(relays) and protects(fuses) the wires that are stubbed out from it for accessories(lightbars) by switches 1-4.

All that the switches do, is supply a ground to each relay that corresponds with the switch number in the left harness.

The left harness also plugs into an existing truck harness that has a plug installed from factory. This existing harness feeds current to the little light that illuminates the switch number when energized. The switch lights dim and brighten the same as all other truck switches.

This same truck harness gets feed current from switch #5 and routes that power up into the 3rd brake light, to supply current to a roof top becon.
Thanks man, this makes a lot of sense 🙏
 

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