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Old 16-06-2009, 12:14 PM   #1
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Default door lock fuse keeps blowing

I have a series 1 Fairlane, the 30amp fuse for the central locking keeps blowing if I try to lock the doors.
The boot release operates on the same fuse, it does not cause the fuse to blow.

I have tried the following:

Unplugged all the actuators,
I was able to determine that the fuse only blows when either of the FRONT door actuators are plugged in.

I inspected all the wiring in the doors, no damage.

Removed the trailer plug.

Unplugged the door lock button from the dash.

Had a friend (electrician by trade) check it out, the actuators tested ok.
Checked all the actuator plugs and the circuit diagram for the door lock system.
Was able to trace the problem back to the BEM or wiring in between the BEM and actuators.

I replaced the BEM, i pressed the door lock button once and it worked without blowing the fuse.
Ok so that seemed successful but the new BEM wouldn't work with smartlock.
I started trying a few things to get it to work, I pressed the door lock button and the fuse blew again!

So either the BEM was not the cause of the problem OR
I have another screwed BEM now becuase of another fault somewhere.

I have heard this issue is a common fault with the AU or at least series 1.
Couldn't find much doing a search except for one other case where somebody had ALOT of difficulty fixing it.

Can any help?
Thanks

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Old 17-06-2009, 09:52 AM   #2
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any ideas?
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Old 20-06-2009, 04:36 PM   #3
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still working with this has anyone had this problem before?
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Old 20-06-2009, 05:21 PM   #4
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http://www.fordforums.com.au/showthr...ight=door+lock

Have a read and see if any these suggestions or things help.
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Old 21-06-2009, 09:31 PM   #5
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Change your front 2 door actuators. One of them is faulty from your information. You electrician friend has made an honest mistake.
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Old 22-06-2009, 11:50 AM   #6
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How would you diagnose a faulty actuator?
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Old 27-06-2009, 01:12 AM   #7
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I picked up a pair of second hand actuators from a wrecker.
Decided to try the driver's side first and behold, the central locking function returns.
I drive the car for a day, plenty of locking and unlocking, no probs.

Tonight it rained. I unlocked the car no problem. When I locked it again the fuse blew.
Back to square one?

Is it possible that water is causing the problem?

Anyone had AU electrical problems from water before?

cheers
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Old 27-06-2009, 08:10 PM   #8
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seems there has been quite a few lately. i guess it's starting to show as they get older... it might be worth running some silicon around the electrical areas on the actuators and see if it still happens. make sure they are dry first tho, lol
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