Tap fog lights into low beam circuit?

[Earlybroncoboy]

The headlight switch I need is on national backorder and want to get my fogs going until then. Has anyone tied into the low beam headlight circuit to power fog lights? I will just trigger a relay and pull power from battery. Seemed fine in theory but the way the headlights function idk if they will drop power at low beam circuit when the highs are energized. I plan on tying them in at connector c203, then when fog light switch comes it’s an easy change. I’ve read a lot of the forums and searched but most just refer to using aux switch or fog light switch. I have neither of those. Thanks in advance.

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[Earlybroncoboy]

My other concern is tripping the BCM due to the additional load. Should be minimal with a relay but still a concern.