A friend put a new starter in my 2000 Ford F150. Now my headlights and taillights wont turn off. Other then my lights not turning off the truck starts and runs fine. What is causing this to happen?

Asked by Mar 10, 2015 at 02:41 PM about the 2000 Ford F-150 Lariat 4WD Extended Cab SB

Question type: Maintenance & Repair

2000 Ford F150  5.4L
Starter was replaced
Headlights and taillights are now permanently on

5 Answers

33,415

Most likely your relay went bad. Replace it.

140

Check the fuses to the front and the back lights,

140

To check the relay turn the car in the on position and if u here clicking from the relay than its ok if not change it out

If the relay was bad I would think the lights wouldn't work? Ok, I checked the relay and it is working. So then would it be the lighting control modular?

33,415

Yes, it can be that also. Here is a repair video. Much cheaper then new. https://www.youtube.com/watch?v=fYvZg0q7Seo

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