Factory fitted heated screens are timed via an ecu. If your using an after market relay that has a preset or the variable option then replace the relay, they are know to go faulty.
Thank you for your response. Its a factory fitted relay and heated windscreen. It worked perfectly fine prior to the disconnect of the dash switch. On reconnection you can clearly hear the click of the relay on and then off within 1 second. I know they work on a timer, usually 10 or 12 minutes but now seems to have re-set to half a second. I am hoping some of the clever landyzoners have come across this before and their is an obvious diagnosis. Any help gratefully recieved.
. Wiring diagrams attached------
Thanks for responding; the information is accurate but not the source of my query. I have a windscreen heater switch that lights up, clicks the relay and then immediately switches off with the relay clicking again. All of this following my disconnection (briefly) of the switch at the dash. My assumption is that the timer relay has reset itself from 8 minutes to 0.5 seconds. Does this mean I need a new timer relay or is it something else?The front screen is fed via fuse F7 (30A) in the fuse box under the drivers seat, and a relay. The screen timer is off fuse F4 (5A) in the fuse box under the fascia. The screen should switch off after approx. 8 minutes. The heated screen only works with the engine running.
The rear heated screen is not on a timer, you have to switch off with the switch
Thanks. I will.
Thanks Col. I'll have another look but the switch is a push fit and I have pressed it back in place twice now. Strange a plug and play item can be so temperamental!
This could become the Yorkshiremen Monty Python sketch but....you think you have it bad....its a Defender The only strange thing about Rangerovers is that they work at all.
Col
LolThis could become the Yorkshiremen Monty Python sketch but....you think you have it bad....its a Defender
Likely that something got disturbed behind the dash. I'm no expert but would investigate the following, with reference to these attachments;
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