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Old 12th April 2020, 15:46   #1
Blink
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Question Wire off rear screen - help please

One of the wires has come off my rear screen. How do I re-attach it?

It looks like it was soldered on but I can't see how without cracking the glass. Is there some sort of conductive glue I could use instead?



In case the above pic isn't clear, wire A is supposed to be attached to the screen at point B. (I've just twisted the end of wire A so the mating surface is facing towards the camera).



I'm not sure what that brown honeycomb-like deposit is but it's on all of the screen connections. Some sort of flux perhaps?
It reminds me of these.

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Old 12th April 2020, 18:37   #2
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Glue. Yes.
Halfords for one do a metallic paint to repair the fine wires across the screen.

A layer of this plus glue on top will make the connection good again.
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Old 12th April 2020, 18:39   #3
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You can buy electrically conductive glue.

https://www.intertronics.co.uk/produ...SAAEgLQqPD_BwE
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Old 12th April 2020, 18:47   #4
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Simon, if you heat up the solder on the tab, then wick it off, you will be left with the metal tab with four dimples protruding from it.......here is one I prepared earlier



Carefully clean the land around the tab location on the window, using 240 production paper, then wipe it over with isopropanol, or meths.

Mix up a dot of Araldite Rapid, apply it to the tab, then push it firmly into place, and hold it using a small screwdriver or similar in the centre of the four dots until the glue sets.

The protruding pips will make sufficient contact with the screen to make an electrical connection, and the Araldite will be more than sufficient to mechanically secure it.

If it's good enough for a HRW wiring tab to connect in this way, your radio aerial connection will be fine

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Old 12th April 2020, 19:35   #5
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This happened to me a good while back when I was messing around with the inner C post trims and parcel shelf, but I simply added a couple of blobs of solder to the wire tab and secured it back to its position on the screen - no issues and working fine since (might I have dodged a bullet..?! ).


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Old 12th April 2020, 20:33   #6
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Sorry but this is a slight Hijack.

I have recently had to fit a rear screen into a friend saloon. It came from a scrap car and the wires had just been cut off. is there a picture or diagram of the wiring as it should be anywhere some one could post up??
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Old 12th April 2020, 20:35   #7
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Quote:
Originally Posted by The Mighty Quinn View Post
This happened to me a good while back when I was messing around with the inner C post trims and parcel shelf, but I simply added a couple of blobs of solder to the wire tab and secured it back to its position on the screen - no issues and working fine since (might I have dodged a bullet..?! ).


Cheers,
Karl.
You were lucky then, I couldn't get enough heat into the tab to reflow mine
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Old 12th April 2020, 20:40   #8
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Quote:
Originally Posted by The Mighty Quinn View Post
This happened to me a good while back when I was messing around with the inner C post trims and parcel shelf, but I simply added a couple of blobs of solder to the wire tab and secured it back to its position on the screen - no issues and working fine since (might I have dodged a bullet..?! ).


Cheers,
Karl.
I did the same, soldered it back on

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Old 12th April 2020, 20:55   #9
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What on earth type of soldering iron were you gents using?

I couldn't get enough heat into the thing to wet both the land and the tab simultaneously

Brian
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Old 12th April 2020, 21:22   #10
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Quote:
Originally Posted by marinabrian View Post
What on earth type of soldering iron were you gents using?

I couldn't get enough heat into the thing to wet both the land and the tab simultaneously

Brian

I was using a relatively cheap Draper unit - bought for about 20 bucks or so, IIRC.

I can't remember the exact "technique" used, but knowing me, it's safe to assume it wasn't very technical!

Sometimes, it's better to be lucky than good..


Cheers,
Karl.
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