Door Ajar Switch?

[mxfever090]

I'm having and intermittent issue with what I think is my driver’s door.

The "door ajar" light and dome light will stay on when all the doors are shut and shut tight. Now the reason I think it's the driver’s door is the dome light will eventually go out, but the door ajar light stay's on in the cluster. When I open the passenger door or either back doors the dome light will come back on. It will not come back on with the driver’s door.

Anybody know where the switch is located or how to test it?

[mxfever090]

Well this morning everthing worked like it's supposed to.

[Operator]

I have the same problem. My door ajar light is always on and the dome light stays on until I hit about 5mph. I was told to clean them up with some brake clean then spray them with WD40 and the problems should go away. I'll be trying it today.

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[DieselTech7.3]

I got the problem too. Take some carb cleaner and spray it into where the door latch is. Your switch is in there too and should lube it up so it doesn't stick anymore

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[NoRalPh]

Whoa.....

I'd be Very careful what you spray into the door latch. Carb Cleaner??? There are all kinds of plastics that will dissolve in too strong a solvent, even Brake Clean might be a problem sometimes! There's really no reason to put strong stuff where it's not needed and the only thing in that switch causing a problem would be some grease & grit. Take it easy, play it safe, stick with WD-40 Only. It will do the job

[Operator]

Good point, Ralph. Thanks.

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[DieselTech7.3]

Originally Posted by NoRalPh

Whoa.....

I'd be Very careful what you spray into the door latch. Carb Cleaner??? There are all kinds of plastics that will dissolve in too strong a solvent, even Brake Clean might be a problem sometimes! There's really no reason to put strong stuff where it's not needed and the only thing in that switch causing a problem would be some grease & grit. Take it easy, play it safe, stick with WD-40 Only. It will do the job

Ya I thought the same thing but that's what my buddy at ford told me to use. He's been doing it for years. But might as will stay on the safe side and use wd-40 lol

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[geonelson14]

my dad is a master ford diesel tech and he said spray wd-40 in the door latch and it will fix it that has worked for both my doors

[SD350]

I spray silicone lube in there, wd-40 works just fine.
Might as well get the other doors while you're at it because they will eventually act up too.

[mxfever090]

Thanks everyone! Sprayed on some WD and all is good.