heated rear screen fail
- Thread starter ozzyboy
- Start date
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englishbullterrier
Active Member
- Posts
- 824
Please also bear in mind that the switch light will not turn on until the system confirms that the rear door is securely closed. I do not know how this is sensed, unfortunately.
WLJayne
Well-Known Member
- Posts
- 3,810
- Location
- Derpyshurr
I broke mine the other day, some wires came loose and when I lowerd the window they caught the copper contacts and snapped them clean off. It's got a dirty great scratch on it anyway though so it's a good reason to replace it.
Singvogel
Well-Known Member
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- 2,971
I reckon with my bad luck the rear screen might crack and the Insurance Company would have to pay for most of the replacement costs.
FREEL4NDY
New Member
- Posts
- 203
- Location
- Marple,Cheshie
The most common cause of heated rear screen failure is the wiring in the tailgate unlikely the switch.
First I would check the fuse if thats ok then see if you have power either side of the fuse this will illiminate a short circuit.
If that checks out ok then imo its probably easier to remove the tailgate trim before the control panel. There are 4 screws at the bottom of the trim remove those then give the trim a good tug, when the trim is off have a good look at the wiring chances are it has chaffed through somewhere. If it has then repair the loom and happy days!!! If it all checks out ok then check the switch.
First I would check the fuse if thats ok then see if you have power either side of the fuse this will illiminate a short circuit.
If that checks out ok then imo its probably easier to remove the tailgate trim before the control panel. There are 4 screws at the bottom of the trim remove those then give the trim a good tug, when the trim is off have a good look at the wiring chances are it has chaffed through somewhere. If it has then repair the loom and happy days!!! If it all checks out ok then check the switch.
FREEL4NDY
New Member
- Posts
- 203
- Location
- Marple,Cheshie
At a guess I would say you probably have some more broken wiring to the tailgate window motor, 9 times out of 10 its wiring and not a mechanical fault. I would get the trim off and check the loom carefully. I've repaired countless tailgate looms.
Might be worth checking the regulator to as the cables fray and snap.
Might be worth checking the regulator to as the cables fray and snap.
englishbullterrier
Active Member
- Posts
- 824
Are you saying the rear window is not fully up ? If not, the HRW will not work.
sijwhite
Active Member
- Posts
- 625
- Location
- Shandon, Argyll & Bute
Mine fail yonks ago.
Press the switch, the light comes on, the mirrors get warm, the rear window does not.
The mirrors heat up anyway - they're on all of the time.
