The New 2020 Fords use kit 74973 but, this 74039 allows you to use the 73973-1 headlight harness on the 2020-2022 trucks. So if you have a 2017-19 Ford with the Quad H13 lights and want to change it over to the 2020+ trucks this kit will allow you to do that.
This came out to fix an issue in the new 2020 Ford Super Duty truck headlights with the Quad H13 lights. It adds soft start modules to the headlights.Â
You can find the Installation Instructions at this link.
There are a number of part #'s on the tags of these parts including 74079, 74026, 86273, 86271 and 69932-1.
