L

LR-hobbs

Active Member
Hello all
I'm looking into upgrades for my new P38, and was wondering if it's possible to fit the heated front screen to a non heated like we did in our old discovery 2.

I've checked the fuse box in the engine bay and both relays are missing, however there are wires going into the slots in the bottom of the fuse box.

Is this as simple as fit the relays , fit the switches , plug the screen in and get it programmed.

Or is this a pipe dream.

Cheers
 
I thought so p38s had a heated screen!! Is there a space for the relays in the fusebox? What year is it? Do you have the button on the hvac?
 
If so the plugs are hidden under the metal plates at the borrom corners of the windscreen just above the pollen filters. 👍
 
I guess if ALL the wiring loom is there then its is a goer, replacement screen, hvac, relays. But if not, you could use a stand alone hws kit like you can get for defenders or make one up. Spare blank on the top consul might be suitable for the switch. I'd check under the plenum for the two feed wires first, costs nowt but time and if no wires are there, go for a stand alone kit.
Remove the two upright external windscreen finishers (4 screws on each) wiper arms (13mm nuts) and ping the lower screen trim off with a paint scraper (carefully, it's alloy and will damage if you are ham fisted)
Some clips holding it on may break and are difficult to source but I believe someone is 3d printing them now. Then all the self tappers holding the covers on can be removed. A good time to clean out all the crap that gets down there and replace the foam filter or fit alloy mesh instead of the foam as a lot of us have done.
 
Expensive bit of kit the heated screen and IMO a waste of time unless you live in very cold climes. My RHD one has a heated screen, only 2 lines operate. The LHD one does not have a heated screen. Typically they don't last long before the elements fail.
 
I don't think it's a waste. It's not needed.. we all managed before they existed!! But it does make life easier. Clears (and keeps away) the misty screen, saves the need to scrape ice etc
. It's just convenience
 
Screenshot 2025-05-05 at 11.50.08.png


Doesn't appear to require anything from the BECM, so I'd say if you bought the correct HEVAC unit and a cople of relays it should probably work....

If you'e got the wires and earthing stud for it in the plenum, I've a UK pound here says it's a goer! Can you reprt back one way or the other. I love mine, 3rd best thing about the car IMHO.
 
MrGorsky said:
View attachment 340415

Doesn't appear to require anything from the BECM, so I'd say if you bought the correct HEVAC unit and a cople of relays it should probably work....

If you'e got the wires and earthing stud for it in the plenum, I've a UK pound here says it's a goer! Can you report back one way or the other. I love mine, 3rd best thing about the car IMHO.
Click to expand...
If I ever get round to doing this upgrade and if I remember ofcourse il report back.

I'm unfamiliar with the word plenum? Is that the plastic panel under the outside of my windscreen?
 
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