Question about 2004 Mercury Mountaineer Premier

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Door ajar light comes on, doom light will not go off have to manually turn off, drivers side door will not unlock all doors on 04 mountaineer

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  • 64 Answers

Sounds like a bad door latch/lock actuator.

Posted on Mar 19, 2014

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1 Answer

Door ajar light comes on and doom light showing drivers side door open.When doors are locked the alarm goes off


Check rubber bung in door makes contact with door shut sensor on car body. May need to replace the rubber bung in door.

Mar 21, 2015 | 2006 Chrysler 300

1 Answer

Door ajar comes on showing drivers door with doom light on


then the door is not latched properly open it make sure there is nothing stopping it from closing and close it firmly

Mar 21, 2015 | Chrysler 300 Cars & Trucks

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2003 suzuki grand vitara - door ajar light always on


seems not, there are 7 switches to fail
A fact.(even 8 possible read on)

OP, car have alarm.?
or just door doom lamps and door switches
4 DOORS, called 5 in Europe for good reasons.

im looking now online see
if your BCM or alarm are involved
this step is always first

whats there is first.
(simple or complex)dig>?
just sold 04, day suzuki went bankrupt USA> gone.
i dont need no stink'n Yogo's here.
point is ,I have full DOCS on it. still PDFs max.

so I will pretend you said
1; USA CAR
2: NO ALARM
3;DOME FAILS.

SO WHAT CAN FAIL BESIDES WIRES? (YES ALL WIRES ON ALL CARS CAN FAIL. SO NO NEED TO SAY IT EVER)
5 switches shorted,do that.
or even the 2 dome manual mode switch turned on
by accident or bad.
no computers here.


6cf99961-4784-4623-a733-ffaf61ed6cd9.jpg

Jan 18, 2013 | Suzuki Grand Vitara Cars & Trucks

1 Answer

03 gmc 2500hd 6.0 gas. truck is going crazy


Check door switch connection and operation.
If the door switch is part of the door lock mechanism, within the door itself, then remove door panel, disconnect the mechanism's electrical connector and re-check that the interior light no longer comes on with that door ajar. If it doesn't, then you likely have a faulty door lock mechanism, which you will have to replace.
This faulty switch will also have the affect on your random central locking function.


This is not likely connected to the engine performance issue.

Nov 03, 2012 | GMC Cars & Trucks

1 Answer

My doom light and dashlights turned on but the trunk light and door lights do not come on and the radio comes on


Sounds like the door ajar switch is stuck,some spray lube and manipulation should correct that condition (the dome light),the trunk light situation is very likely similar in nature,check bulb and switch.Due to vehicle not being used for such a long time likely caused these problem,but both are easy and cheap repairs.

Jul 17, 2012 | 1992 Honda Accord Coupe

1 Answer

Door Ajar message comes up even when all of the stores are shut. Interior Lights and Lights on side view mirrors stay on. Lights can be shut off but the Door Ajdar message remains on.


I have this same problem. A mechanic friend told me that basically the grease they use to grease the door latches cause a sensor to think the door is open. He said to buy something thtat will break up this stuck grease, but also has lubricating effects. I forgot what he told me to buy though.

Aug 07, 2009 | 2003 Mercury Mountaineer

1 Answer

Door ajar light, drivers door


Its on the pillar, part of the main body, not the door itself. Usually close or under where thedoor latch meets the stricker. It may have a small rubber boot on it (They do go bad, and are fairly cheap)

Jun 29, 2009 | 2002 Mercury Mountaineer

2 Answers

Door ajar light stays on


go to your local parts store and buy a can of PB BLASTER lubricant then open each door and spray the latch assembley really good then close and open the door 10 to 15 times. do this with each door. the door ajar light switch is located in the door latch assembley and cannot be seen so soak the latch assembleys really good so lube reaches the switch. these switches sometimes get stuck but this usually frees up the switch

Mar 25, 2009 | 2003 Mercury Mountaineer

1 Answer

1998 F-150 Door Ajar Light Problems


inside the doors is a Small twist in button switch on the door latch assembly that turns on the doom and key buzzer, they stick and make a poor connection, this causes your problem, i have replaced 100's of them, u will have to detrim the door to get at it. The switch is about $10 and u can get it from most parts stores, here is a picture. remember there is one on each door latch.

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Feb 09, 2009 | 1998 Ford F150 Regular Cab

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