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ford focus door unlock stopped working


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mrsinger 
Member - Posts: 23
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Posted: October 08, 2010 at 8:02 AM / IP Logged  
Hi, need a little bit of help. I've installed alarm system on Focus 2001y Europe version, and in the begining it was working fine, door were locking and unlocking by alarm remote and by the key just fine, but after a while locking by remote stopped working, in fact it was sometimes working sometimes not untill it stopped, now only unlocking works ok. I've connected both lock and unlock wires to GEM box green connecter 1-st (lock) and 4-th wires (unlock). I've checked these two connectors on the GEM box with giving a short to a ground and on these two wires doors locked/unlocked. But now nothing. Could it be that I've used wrong wires? I've attched wiring photo. Could it be broken GEM box? How to check it? I'd appreaciate any ideas on how to proceed troubleshooting. Thanks!ford focus door unlock stopped working -- posted image.
mrsinger 
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Posted: October 08, 2010 at 9:39 AM / IP Logged  
I've just tested with original ford key remote control and door locks without any problem. So, gem box should be ok?
howie ll 
Pot Metal - Posts: 16,466
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Posted: October 08, 2010 at 2:43 PM / IP Logged  
Lock wire is BLACK/ orange or BLACK/ red, unlock BLACK/ green.
They are on the two 3end plugs to the right with plugs down.
Make sure your alarm is giving negs on lock and unlock. If it was a 2 wire lock system from the alarm you will need diodes, 1N4004, bands to the alarm.
mrsinger 
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Posted: October 09, 2010 at 5:59 AM / IP Logged  
ok, so lock wire is on the first green plug, this one works ok for me, then unlock must be on the blue plug next tn the green one?
howie ll 
Pot Metal - Posts: 16,466
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Posted: October 09, 2010 at 6:02 AM / IP Logged  
Yes and just to be confusing there are lots of similar coloured wires, door contacts, trunk release, blue and blue/red for indicators' lucky you don't have an upmarket with 4 plugs!
mrsinger 
Member - Posts: 23
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Joined: April 07, 2009
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Posted: October 09, 2010 at 6:58 AM / IP Logged  
well, I've found in the blue plug door trigger wire, it reacts to door opening, but no lock wire. And even when I disconnect blue plug, door locks with remote key just fine. Could it be, that lock wire is in the same green plug as unlock wire?
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
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Posted: October 09, 2010 at 8:25 AM / IP Logged  
That's why my bottom line says test.
mrsinger 
Member - Posts: 23
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Joined: April 07, 2009
Location: Lithuania
Posted: October 09, 2010 at 3:32 PM / IP Logged  
OK, I've tested, each wire in both plugs. none of these acts similar as unlock wire, I've found only door triggers, trunk release, unlock wire, but no wire acting as lock wire. the one which was working before as lock wire (locking the doors on the short to the ground) is not acting the same. Although, original remote control ford key locks the doors without any problem. And I'm really confused now. I'd really think that GEM is broken and needs to be replaced, but HOW it works ok with original ford remote key?? Does it mean that this lock wire is not required to operate the doors? Anybody knows how central lock system is functioning in Ford Focus? What wires are mandatory? Are there some options? Could remote lock by ford original key work ok without a lock wire functioning, which is a must for 3rd party alarm system locking? Anybody wise share your wisdom please... :)
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
Location: United Kingdom
Posted: October 09, 2010 at 4:43 PM / IP Logged  
You could by-pass this, either you have 6 lock wires on your alarm or two.
With 6 configure it 4 motor interrupt, with 2 you need 2 relays, just go to the motor wires, white and yellow in your photo.
mrsinger 
Member - Posts: 23
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Joined: April 07, 2009
Location: Lithuania
Posted: October 09, 2010 at 4:58 PM / IP Logged  
I have 6 wires on my alarm. 2 of them are not connected at all, one is lock, one unlock and two conected to the ground (lock/unlock wires are conected to these with relays of alarm system when locking/unlocking)
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