jgatto Posted July 20, 2018 Share Posted July 20, 2018 Would anyone happen to know if it’s possible to swap standard 2017-18 headlight housings with the optional led headlight housings without any rewireing? I mean obviously the headlight has the same form factor but I’m not sure if the connections will be the same. So the headlight on the right is the standard housing and the one on the left is the optional housing. Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted July 20, 2018 Share Posted July 20, 2018 (edited) Hi jgatto. As you've already deduced, the housing will fit. Whether there are other differences, I am not sure. I would take an educated guess that there are other differences, such as wiring and power supply, but I could be wrong. One way to find out would be to look through the fuse box and power distribution box diagrams contained in our Owners Manual for the fuse locations for differences between the HID and LED headlight configurations. Hopefully, another member with more lighting expertise will jump in with more detailed knowledge. Edited July 20, 2018 by bbf2530 Quote Link to comment Share on other sites More sharing options...
lex787 Posted November 19, 2019 Share Posted November 19, 2019 Hi jgatto, came to the forum with the same question as you. Did you proceed with swap? Anyone else can comment on conversion from HID to LED. Quote Link to comment Share on other sites More sharing options...
jgatto Posted November 19, 2019 Author Share Posted November 19, 2019 Thanks bbf. lex, I had a small window of opportunity to swap them with mine and it wasn’t something I could have risked getting the lights out just to find out it wouldn’t work and then have to put everything back together. I needed my car the following day and having no headlights wasn’t an option. Lol. Quote Link to comment Share on other sites More sharing options...
TomV Posted December 18, 2019 Share Posted December 18, 2019 There's someone on eBay selling the harnesses for either HID or LED. Perhaps you can reach out to them for the wiring diagram or purchase a wiring shop manual. https://www.ebay.com/itm/FULL-LED-ONLY-Connector-Set-for-Lincoln-2017-2019-MKZ-ONE-HEADLIGHT-14-6-pin/333162830789?hash=item4d920d5bc5:g:5ugAAOSw3k9cX0Ts Quote Link to comment Share on other sites More sharing options...
esqueue Posted November 9, 2020 Share Posted November 9, 2020 Yes, it will work. Might be an old post but still valid information for those who are searching like I was. I looked over the wiring diagram and the wiring is exactly the same on the MKZ. Unlike the Continental, The DRL, sequential on/off and turn signal are the same. Mine worked flawlessly with a direct swap but I opted to properly configure the BCM and Headlight Control Module (HCM) to that of a OEM LED equipped car. USED Diff checker and there were 4 entries in the BCM that related to headlights and two in he HCM that was different. Changed them and it still ran the same. Smokeshow and CDW6212R 1 1 Quote Link to comment Share on other sites More sharing options...
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