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No high speed wiper
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MauriceP
 


Member Since: 30 Oct 2020
Location: Wellington
Posts: 8

United Kingdom 2007 Discovery 3 TDV6 XS Manual Orkney GreyDiscovery 3
No high speed wiper

Al my wiper functions work fine except for high speed. If I push the lever to the top position the wipers stop wherever they happen to be.
Is it likely to just be the wiper switch?  
Post #220242315th Jan 2021 11:52 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4613

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Could be, could also be the relay! You could try swapping it with another similar relay and see if it helps!

I can't recall just now the exact relay but I think it's R2. You could swap it with the fog lamps relay which I think is R4 and see if it helps pin down the issue. Thumbs Up yµ (idµ - eAµ) ψ=mψ

  
Post #220244315th Jan 2021 1:08 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10355

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Only American cars have the fog relay I think.  
Post #220249015th Jan 2021 3:04 pm
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MauriceP
 


Member Since: 30 Oct 2020
Location: Wellington
Posts: 8

United Kingdom 2007 Discovery 3 TDV6 XS Manual Orkney GreyDiscovery 3

Thanks for the help guys. I had a play with the relays, if I swap the slow and fast relays over the fault is still the same. If I take either of them out then no wiper function at all.

Is there anywhere where I can download wiring diagrams?  
Post #220255115th Jan 2021 5:26 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10355

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

So it’s not the relay then.

Could be motor

You could try setting the switch to fast and then remove and insert the fast relay.
If it clicks on insertion the faults under the bonnet, and I would check for power at the motor next

I think that correct from memory Question  
Post #220255415th Jan 2021 5:38 pm
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MauriceP
 


Member Since: 30 Oct 2020
Location: Wellington
Posts: 8

United Kingdom 2007 Discovery 3 TDV6 XS Manual Orkney GreyDiscovery 3
No high speed wiper

Pete, should have thought of that! Thanks for the prompt. Power at motor plug so it's time to get a replacement motor.
Thanks for your help.  
Post #220325818th Jan 2021 10:14 am
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