Trailer Running Lights not working 2019 F-250

Asked by veb2127 Aug 05, 2020 at 09:58 PM about the 2019 Ford F-250 Super Duty XLT Crew Cab 4WD

Question type: Maintenance & Repair

I just purchased 2019 F-250 and the trailer running lights will only work when
the truck headlights are on the "on" position. If I switch to automatic
headlights the trailer running lights do no work. Turn signals, trailer brakes and
brake lights work great when headlights is in the on position. How do I get the
trailer running lights to work when the automatic headlights is selected?

2 Answers

F_O_R answered 3 years ago

If you want the running lights on all the time you need to rewire the trailer and run a new circuit from your truck to the trailer with a switch. The running lights should turn on once the headlights turn on at dusk if you have the switch on automatic.

Mark helpful

Kjhelbing answered 3 years ago

I haul a horse trailer with a 2019 f250 xl, and when I had the automatic lights on the truck/trailer brakes checked when I put the right turn signal on. This was quite a jerk, and I did have a horse in the trailer at the time. I seriously thought I was loosing my mind. Shortly after this happened the truck’s message center had a notification stating left turn signal malfunction. What I found is that when I plug the trailer into the truck, select headlights on. REGARDLESS. Otherwise, issues will rise. I honestly don’t have time for this type of crap so that’s what I do.

Mark helpful

Your Answer:

Related Questions

  • Trailer Running Lights not working 2019 F-250 2 Answers

    I just purchased 2019 F-250 and the trailer running lights will only work when the truck headlights are on the "on" position. If I switch to automatic headlights the trailer running lights do no wor...

    2019 Ford F-250 Super Duty XLT Crew Cab 4WD

    -

    Maintenance & Repair

  • Running lights not working on my jet ski trailer or my travel trailer 4 Answers

    My running lights for both my jet ski trailer and my travel trailer are not working when hooked up behind my 2016 Ford F250 Super Duty. My turn signals work just not the running light. I have check...

    2016 Ford F-250 Super Duty XLT Crew Cab 4WD

    -

    Maintenance & Repair

  • Reverse Lights Not Working, 2003 Ford F-250 XLT Super Duty 3 Answers

    My reverse lights are not working on my 2003 Ford F-250 XLT Super Duty. I've changed the bulbs and they were fine... I've checked the fuse it was good, but changed anyway. Still not working.... Any ...

    2003 Ford F-250 Super Duty XLT Crew Cab RWD

    -

    Maintenance & Repair

  • F-250 4wd engages hub but not working? 2 Answers

    2011 F-250 SD. Switching to 4wd I can hear hubs actually engage but no 4wd.

    2011 Ford F-250 Super Duty XLT Crew Cab 4WD

    -

    Maintenance & Repair

  • 2014 ford f 250 factory brake controller not working 1 Answer

    On my ford f 250 thr factory brake controller. The brakes on trailer dont work fash shows yrailer not connected but all the lights work on the trailer.

    2014 Ford F-250 Super Duty XLT Crew Cab 4WD

    -

    Maintenance & Repair

Shortcuts

Search Ford F-250 Super Duty Questions

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    3,600
  • #2
    NorCalEvan
    Reputation
    2,430
  • #3
    David Gray
    Reputation
    1,810
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford F-350 Super Duty
58 Great Deals out of 1,563 listings starting at $6,200
Used Ford F-150
305 Great Deals out of 13,744 listings starting at $3,888
Used Chevrolet Silverado 2500HD
32 Great Deals out of 1,555 listings starting at $5,990
Used GMC Sierra 2500HD
28 Great Deals out of 2,069 listings starting at $7,997
Used RAM 2500
56 Great Deals out of 2,612 listings starting at $4,995
Used Chevrolet Silverado 1500
163 Great Deals out of 7,251 listings starting at $6,995
Used GMC Sierra 1500
131 Great Deals out of 7,758 listings starting at $4,944
Used Toyota Tundra
28 Great Deals out of 933 listings starting at $10,698
Used RAM 1500
490 Great Deals out of 19,461 listings starting at $3,995
Used RAM 3500
49 Great Deals out of 2,079 listings starting at $5,870
Used Ford F-450 Super Duty
116 listings starting at $39,500
Used Chevrolet Silverado 3500HD
32 Great Deals out of 907 listings starting at $13,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.