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electrical problam 

 

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 Post subject: electrical problam
Posted: Thu Sep 30, 2010 1:40 pm 
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Ride: EF FORD FALCON

Location: melbourne
VIC, Australia

help needed,had to jump start my EL FAIRMONT the other day and now my central locking buttons keep going up and down even when the ignition is off,have pulled the fuse out for now but when i put it back in the problem is still there,had problams with something drawing power from the battery when the car is parked for a couple of days so maybe these two probs are related,any ideas would be much appreciated thx
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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 8:30 pm 
Tyre Shredder
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Location: Central Highlands
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geelong 09 wrote:
help needed,had to jump start my EL FAIRMONT the other day and now my central locking buttons keep going up and down even when the ignition is off,have pulled the fuse out for now but when i put it back in the problem is still there,had problams with something drawing power from the battery when the car is parked for a couple of days so maybe these two probs are related,any ideas would be much appreciated thx


Sounds like your body control module is playing up, also check the earth cables from the battery....

 

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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 8:47 pm 
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the locks only played up after you jumped it?

when you jump start computer controlled cars, before you disconnect the the jumper cables, the car with the flat battery must have the headlights turned on high beam otherwise when you disconnect it the alt on the flat car sees a flat battery all of a sudden and spikes the voltage briefly...

this can damage the computer and/or BEM... This is the technique the NRMA people employ here... this way the spike is absorbed by the high current drawing lights... You can turn them off straight after, just that instant when you disconnect the clamp can do damage...

 

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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 9:01 pm 
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Mine does the same thing from time to time but its the central locking that plays up normally i have to either open the door and close it again or make sure the rear tail gate is shut properly? to stop the locks going up and down or in frustration when i go to lock it and it plays up i just walk away it pisses me off to much so leave the car unlocked lol
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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 9:04 pm 
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not one of the actuators in the doors with dirty contacts come to think of it?

Ifone of the master actuators isn't sending a signal to say its locked (dirty contact in side it maybe, making it look like door is ajar) then the BEM is thinking it didn't lock (door is ajar) and hence sends the unlock signal out to all...

Slave actuators don't send their status, only masters send their status to the BEM...

Just something that came to mind then...

Cheers,
Tim

 

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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 9:34 pm 
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was going to say more than likely a door problem in mine i think its the front passenger but yes check your door locks first
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 Post subject: Re: electrical problam
Posted: Thu Sep 30, 2010 10:47 pm 
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SV-Valiant wrote:
was going to say more than likely a door problem in mine i think its the front passenger but yes check your door locks first


I'm sure there's a white EF sedan running around near your place that you could perhaps grab the entire wiring and actuator from...

 

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 Post subject: Re: electrical problam
Posted: Mon Nov 29, 2010 1:00 pm 
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I have had the same problem after I haddent started it in a while I took the flat battery out and charged it.

Put it in and the Locks started to go up and down

When I shut the door it stoped in the locked position.

Any Ideas? :x

Just got off the phone with ford and they said it could be a worn actuaiter

thorghts?

 

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