2021 RAM 3500 - Gauge Wiring Options?

[6.7h.o.]

I ran a pyro gauge and put the gauge on my center console.

It's easy to find grounds, and I am sure I can find a 12v ignition source, but curious about where I should run the wire for the lamps in the gauges so they dim with the rest of the dash.

Thanks.

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[SKIBBEE4thGEN]

Find the wire to your HVAC controls.

Should be the easiest place right?


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[6.7h.o.]

My concern is the can-bus system; if it shows an additional draw and may cause problems, will the two gauges cause that much of a draw idk.

I found a splitter for the 12v outlet on the dash, but it wouldn't help with the dimmer.

I also don't want to splice into anything.

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[Chrisn162001]

I wired the lights for my gauges into the head light switch interior lighting circuit. It dims with the switch.

For the power I tapped into an ignition on in the fuse box.


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