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Discussion Starter #1
Hi
I am in need of some help connecting an alarm to the factory fitted central locking on a 2004 vito. If anyone knows which wires to connect to open and close the locks on the control unit and wether the control signals are positive or negative.
Many thanks
Andy
 

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Discussion Starter #3
Hi
It is one of those cheap one's off ebay. The instructions are a bit sketchy but it can be set up to give a positive or negative trigger for the central locking. I just don't know where to connect to the control unit.
Cheers
 

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Discussion Starter #4
((Bump))
Can anyone help with this I'm really struggling, don't want to below the control unit up. I just need to know which wires trigger the opening and closing of the central locking. Any help would be greatly appreciated.
Thanks
 

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I have also had this problem and unable to get any help on it.

In the end I put a secondary solenoid in the drivers door wired on the alarm, the only problem I had was due to the way the Mercedes central locking worked it would lock the whole van but would only unlock the front doors, after a while I got used to unlocking the rear doors with the key.

Sammy
 
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