Drl troubleshooting thread?

[Tmajikman]

I know there are drl threads on the forum, but, is there an actual thread that can help someone troubleshoot what fuse to check, what needs to be looked at in forscan to see if the function is turned on? My car is a 15, U.S. model, the drls use to work. I've tried putting the light switch in the off position, with the car in drive, nothing happens, I've shined a light on the dome sensor and nothing happened as well. Before I swap out my new grille amd lights and pull the bumper, is there any tutorial to help troubleshoot the drl system? Tia

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[Skye]

https://www.motorcraftservice.com/Purchase/ViewProduct

https://www.motorcraftservice.com/

One source that should help is the site above.

For $30, you can get 3-day access to all the information Ford Techs have. Diagnostic guides, schematics, specification and operational layouts. Everything.

After logging in (Ford Pass App or Ford login), enter your VIN. You'll be given a menu which goes into individual systems and components. Each of the documents is PDF; you can download as many as you can in those 3-days.

 

[Cobra Jet]

This thread may have some helpful info. Someone had linked the US and Euro wiring in one of the posts.
https://www.mustang6g.com/forums/threads/2016-mustang-s550-drl.192005/#post-3855558

You state you have a 15 US, but are you an owner here or overseas? Just asking because there’s a lot of overseas owners who buy S550’s from CoPart and put them back together….

 

[Tmajikman]

This thread may have some helpful info. Someone had linked the US and Euro wiring in one of the posts.
https://www.mustang6g.com/forums/threads/2016-mustang-s550-drl.192005/#post-3855558

You state you have a 15 US, but are you an owner here or overseas? Just asking because there’s a lot of overseas owners who buy S550’s from CoPart and put them back together….

I am in the US, the drls worked last year before I stored the car and this year they haven't worked since I installed the battery and started driving the car. Thank you

 

[Cobra Jet]

If the car was in storage I would check in engine bay and under front of car for any wiring harnesses that may have been breached by rodents…. They love to chew up wiring harnesses…. Even if the storage area is “sealed” they can still get in.

 

[Tmajikman]

If the car was in storage I would check in engine bay and under front of car for any wiring harnesses that may have been breached by rodents…. They love to chew up wiring harnesses…. Even if the storage area is “sealed” they can still get in.

Ok, I will definitely look at all my wiring, thank you

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