tailgate doesn't open with switches but the remote works - Electrical (Mk3 Mondeo) - TalkFord.com

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tailgate doesn't open with switches but the remote works


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10 replies to this topic

#1 ul9601

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Posted 20 January 2021 - 02:50 AM

I expected all three opening methods (interior s/w, tailgate mounted s/w & remote s/w) would use the one and the same wiring but obviously this is not the case?
E.g. Battery +12V -> switches (in parallel) -> solenoid -> ground.
In case of remote s/w, +12V -> remote receiver -> solenoid-> ground.
Am I missing something?

2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)


#2 mondy zetecs

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Posted 20 January 2021 - 06:21 AM

On my hatchback the interior switch on the console worked after changing

drivers door lock module.


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#3 PURPLE_2L_LX

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Posted 20 January 2021 - 06:52 AM

The switch in the handle and the interior switch are on the same connection.

 

If one switch is activated or a wiring fault then neither switch will work.

 

As above also the drivers door lock can cause boot opening issues.


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#4 ul9601

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Posted 21 January 2021 - 02:16 AM

I've been pulling apart the tailgate - the tailgate switch seems buggered. what happens is with the switch disconnected, dash switch works. when reconnecting the tailgate s/w, it operates the solenoid but that's it, it doesn't work any more. 

I was going to disconnect the tailgate lock and install a private lock but there are no holes pre-punched. I was of understanding all pre-facelift had the holes, regardless whether a private lock has been fitted to a particular car. I guess I was wrong again.


2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)


#5 ul9601

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Posted 21 January 2021 - 08:24 AM

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well, thank god for the time difference so i managed to sort of figure it out before you guys could... ;)

it appears that the rubber membrane for the tailgate switch somehow jammed it "on", which explains the solenoid working when disconnected and then re-connected. there must be a protection circuit or something so that continuous press doesn't register.

i don't know how the membrane jammed it in though, it was still flexible and wasn't caught on anything... 


  • mondy zetecs likes this

2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)


#6 ul9601

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Posted 21 January 2021 - 09:07 AM

looking back, i made a few rambling posts of tailgate switches and private lock...

raykar posted a photo of a cutout he had to make to retrofit a lock back then so thanks! 


2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)


#7 nicam49

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Posted 22 January 2021 - 10:54 PM

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If you're interested, somewhere on this site is/was an account of how to replace the switch in the tailgate with a microswitch from an old pc mouse.
  • ul9601 likes this
<p><p>nicam49 2002 Mondeo TDCi Ghia X Estate mk3 pre facelift Stardust Silver+Rust.[b] 308,000+miles, but been off the road since Nov 2019 after timing chain slipped during fuel pump transplant. Awaiting return of mojo

#8 ul9601

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Posted 22 January 2021 - 11:27 PM

If you're interested, somewhere on this site is/was an account of how to replace the switch in the tailgate with a microswitch from an old pc mouse.

A spare mouse is something I'm always short of. But I think I have a couple of micro switches in my stash somewhere.

I'll search the forum.


2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)


#9 nicam49

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Posted 23 January 2021 - 11:42 AM

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If you're interested, somewhere on this site is/was an account of how to replace the switch in the tailgate with a microswitch from an old pc mouse.

A spare mouse is something I'm always short of. But I think I have a couple of micro switches in my stash somewhere.
I'll search the forum.
Found this one.... (not quite the one I had in mind, but...)
https://talkford.com...=1#entry1090579
  • ul9601 likes this
<p><p>nicam49 2002 Mondeo TDCi Ghia X Estate mk3 pre facelift Stardust Silver+Rust.[b] 308,000+miles, but been off the road since Nov 2019 after timing chain slipped during fuel pump transplant. Awaiting return of mojo

#10 ul9601

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Posted 23 January 2021 - 07:38 PM

yes I found that one - thanks


2003 Mondeo 2.0 Duratec HE petrol MTX-75 5 speed manual (pre-face Mk3)





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