ford f150 dome lights remain on and door ajar light on when doors are fully closed. why? how do i repair them?

Asked by Feb 05, 2015 at 07:12 PM about the 2002 Ford F-150 Lariat Crew Cab 4WD SB

Question type: Maintenance & Repair

dome lights on f150 remain on and door ajar light remain on  after doors are fully closed.
why? how do i repair them? While lights are on the truck will not lock,

3 Answers

295

It is common for the door ajar sensor to stick. What I did was get some PB Blaster and sprayed the latch heavily. Open the doors and spray away. It will run out the bottom onto the ground so be aware. I left the doors open but it still smelled inside for a while. After trying twice the switch released and has worked since. I did put some gun oil on the latch after it freed up to try to prevent it from happening again

3 people found this helpful.
119,725

Check the light switch located in the door jamb it might not be working. Easiest way is press it with your finger in and out to see if it turns on and off the lights.

2 people found this helpful.
295

On the 2002 F 150 the sensor is in the latch not on the A or B pillar like on most cars. You can't just push it like usual.

5 people found this helpful.

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