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Hi,

I have a BA II Falcon wagon XT. The door open light indicator(only when ignition on) and interior lights are on(whether ignition on or not) as though a door is open when all are closed including the boot. Also I can lock the doors with central locking withou a problem.

When I put my foot on the brake, the lights turn off, take my foot off the brake and I get the 3 chimes and the lights come back on again as though a door is open.

I have gone through all the doors 1 at a time leaving them open and applying my foot to the brake and the door light indicator stays on as it should. Only when all doors are closed do the lights turn off when braking.

Any clues to what could be causing this?

Cheers
 

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Same problem, now when I try to lock the vehicle I get "beep-beep-beep-beep" on the horn and the interior lights come on. Can't lock it manually with the key either so switched the interior lights off and leaft the wagon unlocked.

Last week it was the door open indicator that showed, exactly like you describe.
 

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No, just a generic red light on the dash suggesting a door is open. Where do I find the solenoid? It's been an intermittent problem but getting worse so probably something electrical on it's way out.
 

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They are inside the door panel and they are the solenoid that operates the lock. Just check if all the doors lock properly and if one doesn't then that would be where to start you have to include the boot as well as it will also set the light going. If they lock then listen by each door lock while you lock and unlock with the remote and if any lock sounds like it is grinding or noisy then that would be the place to look. The other area that could be an issue is the BEM or Body Electrics Module but more likely to be one of the solenoids. They are accessed by removing the inner door panel. You can try using a spray lubricant like WD40 on them or maybe replacement if you find a faulty one. The rear door ones sometimes give trouble if water has dripped onto them from window area.
 

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My answer: It was the main unit under the dash that needed replacing. It cost $1000 at a "cheap" auto electrician (NZ) but he had to import the unit from Aus so for you Ozzies it might be cheaper. He examined all the individual door units before taking the dash apart to get to the main unit. Had to be done as I couldn't lock the car, and when it auto unlocked all the interior lights would come on draining the battery. He also broke the centre top vent when accessing the unit so careful when doing DIY as they must get brittle from the sun?

Now I have the left rear door that doesn't lock and it will cost $300 to fix but I can't be arsed - the other doors lock so I'll just chance it and not leave anything valuable in the car. Might try DIY as suggested above, and as said, there is a whirring noise from that door when I lock the car.
 

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Thanks for getting back and letting us know what the problem was. Thats a shame that it was an expensive repair. Im guessing the labour costs for under dash repair may have been a big part of cost.
 

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Hi Chucksta,

I have this exact problem and its driving me mad.
Did you ever get to the bottom of it?


Hi,

I have a BA II Falcon wagon XT. The door open light indicator(only when ignition on) and interior lights are on(whether ignition on or not) as though a door is open when all are closed including the boot. Also I can lock the doors with central locking withou a problem.

When I put my foot on the brake, the lights turn off, take my foot off the brake and I get the 3 chimes and the lights come back on again as though a door is open.

I have gone through all the doors 1 at a time leaving them open and applying my foot to the brake and the door light indicator stays on as it should. Only when all doors are closed do the lights turn off when braking.

Any clues to what could be causing this?

Cheers
 

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I had the exact same symptoms.

I have a $5 chinese OBD2 Bluetooth adapter which I had used to diagnose a fuel fault last year. I plugged this in (couldn't see any faults) but I did a "clear faults" just in case, and this fixed the issue!! (for now)

Hope this will help anyone else in the future.
 

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. Might try DIY as suggested above, and as said, there is a whirring noise from that door when I lock the car.
I have had this problem with a Au2 and it was a broken worm drive in the actual actuator which can be replaced relatively cheap and easy enough job to do yourself.
Reason for the whirring is the work drive is not driving anything so the cog it attached to is just spinning.
 
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