warning signal continues to sound after doors are closed and key is removed. Why

Asked by Aug 13, 2013 at 10:09 PM about the 1994 Ford F-150 S 4WD LB

Question type: Maintenance & Repair

very recently our Ford F150 has aalarm which sounds constantly after the engine and key
is off and doors are closed Why

4 Answers

26,085

Crummy design. The door jamb switch that used to be located by your toe on the "A" pillar was relocated to the bottom of the door latch inside the door panel by some genius at Ford. Since it is positioned upside down, it collects dirt, water and dirt collecting lubricants from well-meaning, uneducated Lube shops. You'll need to pull the door panel. You can reach the switch but it's a mother-@#$ to replace without loosening or removing the door latch, linkages and wires. It's on the very bottom of the latch and almost right up against the inside of the door. A quarter turn counter-clockwise will remove it. The biggest bummer is that there's almost no way of telling which door it is without at least pulling the panel and unplugging the switch. Go slow and be careful, I've done a million of them (ok, more like 2 dozen) and almost always tear up my arms.

2 of 2 people found this helpful.
20,860

Yep, Tracy's got it right. My best guess is that it will be the drivers side door. I've done a couple and it is always that side. Probably because it is the door used most often. And since my hands are large and my forearm larger than most, I always have to remove the lock. It is a #$%^&*

20,860

Tracey. I am contemplating a retrofit the next time I have to fix one of those. It has to be a momentary switch, but is it normally off or normally on.

26,085

It looks like a Normally Closed, un-grounded circuit. 3 wires.

Your Answer

F-150

Looking for a Used F-150 in your area?

CarGurus has 239,355 nationwide F-150 listings starting at $1,300.

ZIP:

Ford F-150 Experts

  • #1
    OJ
    Reputation
    9,280
  • #2
    dandyoun
    Reputation
    4,630
  • #3
    tennisshoes
    Reputation
    3,250
View All

Related Models For Sale

Used GMC Sierra 1500
1,237 Great Deals out of 71,061 listings starting at $1,750
Used Dodge Ram 1500
413 Great Deals out of 11,099 listings starting at $1,499
Used Toyota Tacoma
731 Great Deals out of 50,647 listings starting at $1
Used Ford Mustang
606 Great Deals out of 39,027 listings starting at $1,500
Used Ford F-250
425 listings starting at $2,995
Used Chevrolet Tahoe
854 Great Deals out of 44,853 listings starting at $1,980
Used Ford Explorer
1,175 Great Deals out of 76,919 listings starting at $2,100

Used Cars For Sale

2018 Ford F-150 For Sale
117,560 listings starting at $17,079
2017 Ford F-150 For Sale
214 Great Deals out of 42,597 listings starting at $17,990
2016 Ford F-150 For Sale
228 Great Deals out of 8,559 listings starting at $16,594
2015 Ford F-150 For Sale
498 Great Deals out of 12,964 listings starting at $11,990
2014 Ford F-150 For Sale
705 Great Deals out of 16,605 listings starting at $9,990

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.