Home > Puma (Tdci) > Heated Windscreen Switch = No Light |
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RFT Member Since: 13 Nov 2010 Location: Cheshire Posts: 674 |
I suspect you need the engine running, relay will take alternator voltage signal. 130 Puma HCPU with an Artica 240LR Demountable Camper
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2nd Jan 2023 6:29pm |
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BrickBox Member Since: 05 Oct 2021 Location: Wales Posts: 628 |
I believe it only works with the engine running. 2008 2.4 110 Utility XS.
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2nd Jan 2023 6:50pm |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16927 |
As above, the HFW requires the engine to be running in order to work. The is.an "engine running" signal from the IPAC which is used for this purpose (which if I remember is actually dependent upon the alternator providing an output which means the engine is running).
Start your engine and repeat your test, let s know how you get on. |
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2nd Jan 2023 6:55pm |
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nick.bw Member Since: 26 Oct 2020 Location: Essex Posts: 56 |
Cheers chaps
Engine running and still no joy Engine running. Switch pressed. No light on HWS button |
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2nd Jan 2023 7:44pm |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16927 |
Is it factory-fitted or aftermarket?
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2nd Jan 2023 9:16pm |
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KISSMYAURA Member Since: 13 Jan 2018 Location: KENT Posts: 45 |
factory spec?
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2nd Jan 2023 9:35pm |
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nick.bw Member Since: 26 Oct 2020 Location: Essex Posts: 56 |
Yeah. Factory fitted
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2nd Jan 2023 9:36pm |
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KISSMYAURA Member Since: 13 Jan 2018 Location: KENT Posts: 45 |
is it working, just no switch light? or all DOA?
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2nd Jan 2023 10:05pm |
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nick.bw Member Since: 26 Oct 2020 Location: Essex Posts: 56 |
Completely dead. Not working at ll
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3rd Jan 2023 10:28am |
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KISSMYAURA Member Since: 13 Jan 2018 Location: KENT Posts: 45 |
is the relay clicking?
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3rd Jan 2023 10:33am |
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nick.bw Member Since: 26 Oct 2020 Location: Essex Posts: 56 |
No. Nothing when the button is pressed. Switched the relays around as well to test and nothing
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3rd Jan 2023 10:33am |
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KISSMYAURA Member Since: 13 Jan 2018 Location: KENT Posts: 45 |
Click image to enlarge Could be the realy OR the timer... |
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3rd Jan 2023 10:35am |
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KISSMYAURA Member Since: 13 Jan 2018 Location: KENT Posts: 45 |
The switch light (AKA tell tail) is wired to the timer, so if the timer is duff you will not get a light oin the switch, the realy may still work but the timer may not be actuating!
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3rd Jan 2023 10:36am |
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nick.bw Member Since: 26 Oct 2020 Location: Essex Posts: 56 |
Awesome, thanks. Need to see if i can find a spare one to test.
Thansk |
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3rd Jan 2023 10:38am |
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