Citroen Xsara Esate boot lock problem

I have a Xsara HDI Estate and the boot lock randomly opens itself under all conditions, when it is locked, moving and just starting. It seems to be something in the fuse/relay box under the dashboard in the
front by the offside door as you can hear the relay clicking and moving the wires in this area seems to trigger it. Does anyone have any idea which relay opens the boot or which wires are involved ?
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pete crumplin via CarKB.com wrote:

I have a Xsara Picasso, and the boot intermittantly won't open, and sometimes opens on its own. I have checked the latch and switch thoroughly, yet neither is at fault. It is clearly some kind of logic fault.....the switch reliably operates, and when alkl is well a 12V pulse is sent to the latch (for circa 2 seconds). Sometimes, (when all is not well), no pulse is received at the latch. And I had so hoped this would be an easy fix, but that's as far as I got!!
Peter
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