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TheLordJohn

Member
Now then.

I am buying another Disco this weekend, which has a cracked front screen.
It's bad enough to require replacement and I was just thinking on - while I am on with replacing the windscreen, are there any options (OE or aftermarket) to get a heated front screen?
They aren't half handy to have!

Thanks in advance, Stuart.
 
Fitting the heated windscreen is athe same as fitting a non heated windscreen, whether or not it works depends on whether you have the wiring in place for it??

Do you have black/purple wired connectors under the bonnet at the base of the windscreen?
 
Oooo, this is interesting. I didn't know there was an OE option.
Now I know there is (thanks Gents) - I'll source a heated screen rather than a none.
Surely, it doesn't need to be a proper switch? Just a switch on an ignition live feed and a plug made up would suffice?
I'll get a proper switch, if available, though.

Thanks for the help, Stuart.
 
TheLordJohn said:
Oooo, this is interesting. I didn't know there was an OE option.
Now I know there is (thanks Gents) - I'll source a heated screen rather than a none.
Surely, it doesn't need to be a proper switch? Just a switch on an ignition live feed and a plug made up would suffice?
I'll get a proper switch, if available, though.

Thanks for the help, Stuart.
Click to expand...

Just do that and you will have a fire. You will need relays as there's two elements in the glass plus a timer relay if u would like that facility, the multi-function unit (MFU) looks after the timing timing on a factory fitted HFS.

As stated u may already may have the wiring depending on model year.
 
discool said:
Just do that and you will have a fire. You will need relays as there's two elements in the glass plus a timer relay if u would like that facility, the multi-function unit (MFU) looks after the timing timing on a factory fitted HFS.

As stated u may already may have the wiring depending on model year.
Click to expand...

It's a 1994, so early 300tdi.
Where would the existing wiring be (if that loom is fitted) and how can I identify?

Regards, Stuart.
 
You should have the other end of this connector in the rain channel/scuttle area - inside the bonnet, at the back by the windscreen.

IMG_3898_zpsa2fed30e.jpg
 
Last edited:
Ok then I doubt it but look for the sockets as mentioned in post #2. If no the the electrical installation will be similar to wiring something like spot lamps so simple.
 
There u go that's what you are looking for, there's one a each end of the screen.
 

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TheLordJohn said:
Thanks very much, Gents. Fantastic forum!
Click to expand...

Feck Off! We are obviously being too nice.

Only kidding! There's always somebody with the same problem who has "got the T-shirt". In my case, I've just wired a HFS from scratch, just four years after having a HFS fitted. :eek::eek:

Early indications are that everything seems to work, just need some ice to test it!

I've got a super wiring diagram if you need it. The diagram isn't mine so I don't want to post it publicly.
 
Right. It transpires I don't have the wiring (had a look under the bonnet earlier).
I am thinking of checking with the insurance company whether I have windscreen cover (I'm fully comp) amd if so, asking them for a heated screen, then wiring it up afterwards.

Thanks, Stuart.

PS - wiring diagrams would be fab, thank you.
 
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