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Sk1ppy

Member Since: 19 Dec 2022
Location: Newbury
Posts: 17

Intermittent electric window fault

Hi - drivers window on my 2010 Puma 90 intermittently doesn’t work. I’ve swapped the switch with the passenger side so I know both switches work. I’m guessing it’s wiring related, any tips on where to start trouble shooting?

12th Feb 2023 5:52pm

seriesonenut

Member Since: 19 Nov 2014
Location: Essex
Posts: 1211

Hi
I had the same and then it stopped all together.

I did the following -

Remove the door trim and vapour barrier
Unplug the wire connection to the motor (fiddly but possible
Pull the rubber ducting out of the door post
Carefully pull out the wires until you see both connectors, one is for the central locking the other the window.
Check the continuity on both wires.

On mine the red wire had failed somewhere in the middle of the runner ducting so I pulled a replacement wire to bypass the original.

Job done.

Fiddly but hope this helps. 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2

12th Feb 2023 6:07pm

Sk1ppy

Member Since: 19 Dec 2022
Location: Newbury
Posts: 17

Thanks

12th Feb 2023 6:12pm

HTB

Member Since: 24 Mar 2013
Location: Surrey
Posts: 71

2012 Defender 90 Puma 2.2 HT Buckingham Blue

It a feature.

I think it’s normally the central locking that goes first due to the flexing of the cable, and normally on the drivers side as that’s the door that gets used most…. So, whilst you’re in there, double double check for cracked insulation on all of the wiring.

12th Feb 2023 6:47pm

Screbble

Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2098

2004 Defender 90 Td5 XS CSW Zambezi Silver

seriesonenut wrote:
Hi
I had the same and then it stopped all together.

I did the following -

Remove the door trim and vapour barrier
Unplug the wire connection to the motor (fiddly but possible
Pull the rubber ducting out of the door post
Carefully pull out the wires until you see both connectors, one is for the central locking the other the window.
Check the continuity on both wires.

On mine the red wire had failed somewhere in the middle of the runner ducting so I pulled a replacement wire to bypass the original.

Job done.

Fiddly but hope this helps.

That’s exactly where mine failed many years back. Soldered the break and covered in heat shrink. Been fine ever since

12th Feb 2023 7:21pm

seriesonenut

Member Since: 19 Nov 2014
Location: Essex
Posts: 1211

still not sure where the break was (other than somewhere in the middle) but as I had some wire to hand I did not bother to look.

I also added some sound deadening to the door skin and gave the bottom of the door a good spray of ACF-50 as well.

I only broke one clip in getting the door card off. Just waiting for some tiger seal to re seal the vapour barrier before I can pop the card on.

I am using it without at the moment, an even more basic look

2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2

12th Feb 2023 8:09pm

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