The article did mention carbon pile testing as a means of testing battery under load conditions....so yes, but using a multimeter to test voltage charge would be my first check to see if my alternator was functioning properly.
A quick check a dealership would be the easiest option, I'd agree...
Finding one without the other
https://www.mset.gov.jm/wp-content/uploads/2019/07/General-Effects-of-Some-Fuel-Additives-Suitability-of-Local-Fuel-Octane-Levels-and-Ethanol-for-Luxury-Vehicles-MSET.pdf
Here's all I got
link for 2 door assembly
https://parts.lakelandford.com/a/Ford_2021_Bronco-Base-Sport-Utility-27L-EcoBoost-V6-AT-4WD/__9423708/Glass--hardware/ML21705.html
And for comparison numbers here's a link for the 4 door assembly...
I can't verify if this is correct or not.
Try contacting this parts supplier.
https://parts.lakelandford.com/p/Ford_2021_Bronco-Base-Sport-Utility-27L-EcoBoost-V6-AT-4WD/Motor-Assembly---Window-Operating-Included-with-Window/103420986/M2DZ9923395A.html?clickSource=relatedProduct
Parts for 2...
If you are describing a soft top the link may apply. They might just be future rear window wiper, defroster, washer connection points.
https://fordauthority.com/2021/03/2021-ford-bronco-soft-top-will-not-include-wiring-for-rear-electronics/