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Fix Boot Lid Lock Random Opening Problem


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#16 Peter N

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Posted 27 June 2013 - 11:04 AM

Having just completed this repair, thanks to Lippo, I thought I should add something to the topic.

The cause of the problem appears to be,

1 The use of the switch acts like a bellows and sucks air in.

2 As the metal plate cools it allows the water in the air to condense out.

There's not a lot that can be done about 1 but you could replace the metal flap with a plastic one (as I have done). I will check in a few months to see if there is any water there and report back.

 

Peter



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#17 jeebowhite

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Posted 16 August 2013 - 01:11 PM

did you get this repaired again Lippo?

 

I am due to do mine soon, got to buy the bits for it and need to find a victim mouse! did you have to desolder, or could you get away with cutting the end off and solder a new end to the new switch?



#18 karlgixer

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Posted 18 June 2014 - 04:20 PM

glad i found this as my boot lock is playing up,

 

can someone please update the maplin links on page one as not working.

 

cheers

karl.



#19 jeebowhite

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Posted 18 June 2014 - 08:35 PM

I bought

 

http://www.maplin.co...le-switch-kr91y

and

http://www.maplin.co...le-switch-kr89w,

 

cant recall which I used though it was a while ago.



#20 karlgixer

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Posted 18 June 2014 - 10:24 PM

I bought

 

http://www.maplin.co...le-switch-kr91y

and

http://www.maplin.co...le-switch-kr89w,

 

cant recall which I used though it was a while ago.

 

cheers,

 

which of the 4 connection points do i solder to?

 

cheers

karl.



#21 jeebowhite

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Posted 19 June 2014 - 11:37 AM

If you look at the bottom of the switch you will see them.

 

It will show a line going from one pin to another, I cant recall if its next to each other or opposite, but it will be like this:

 

*__*

 __

*    *

 

or

 

*   *

 |   |

*   *

 

each * is the leg, so you just follow it, the switch connects each of the connected stars.



#22 Dee_82

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Posted 23 July 2014 - 07:20 PM

hi there folks been having some issues myself an thought id see if you guys have any thoughts.

 

so the switch stopped working, I was doing some work on the rear tail lights at the time so there is a possibility something may have gone a bit wrong but as far as I can tell everything was isolated.

 

anyhow, the remote unlocks the tail gate work but the switch doesn't.  there are two feeds going in to the switch, a neutral and a 12v live (white).  the switch is off by default and when pushed in creates continuity so as far as I can tell that switch should be working.

 

tracing the 12v live (white) back in to the boot it runs off towards the front of the car,

the neutral follows the same path and joins up with a netural from the reg plate lights and tail gate lock, and wiper motor all maintain continuity.

 

my guess is that white from the switch runs off to some sort of control but at this point im stuck, I cant see any mention of a fuse or a relay in Haynes but with power going to it im a little stumped. 

 

soo does anyone have any ideas?

 

 

edit, bugger, just realised im not on the focus sub forum! oops! ah well it should be much the same setup...



#23 jeebowhite

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Posted 24 July 2014 - 11:37 AM

Hi Mate,

 

They are pretty much the same setup any Ford these days.

 

It sounds like your switch has probably given up the ghost. I think the white line goes off to the gem and powers the boot switch, but its a small enough current that whatever you did probably was not to blame.

 

I would say pop the plastics off the car, and remove the switch, short these two wires out and the catch will probably click as you expect it to, then you can just fix it from there :)



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