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  02.Dezember 2022 20:01:06

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 Thema: Windscreen wiper fault  (Gelesen 1490 mal)
Mo

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Windscreen wiper fault
« am: 01.Februar 2022 18:03:15 »
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I had two windscreen wiper problems, first the passenger wiper would only run at slow speed, second the driver wiper would not park.

When I looked under the dashboard to check the relays, I noticed a dangling cable. On the driver side motor the white cable is not connected, and I cannot see a terminal that it should connect to. On the passenger side motor it *is* connected?



Now my wipers don't work at all  rolleyes What have I done?  huh

Also, this is the first time I've unscrewed the driver-side dashboard. Is there a way to lift it out more than 3cm or do you need to disconnect everything?

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Maurice
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tegebe

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Re:Windscreen wiper fault
« am: 01.Februar 2022 19:04:17 »
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You need to disconnect. When Lifting with Battery on, be careful: The rheostats housing is "hot", when touching the metal of the dash you'll get a short circuit. I always place a towel on the undeside when working on the dash panel when hot.
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Mo

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Re:Windscreen wiper fault
« am: 01.Februar 2022 21:00:47 »
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Oh crap, it never occured to me that I should disconnect the battery. I wonder what else I've broken sad

Maurice
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Re:Windscreen wiper fault
« am: 02.Februar 2022 11:44:32 »
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Zitat von: tegebe am 01.Februar 2022 19:04:17
you'll get a short circuit


You were right, I've blown fuse B5. Replaced it temporarily and the wipers work again.

The dangling cable on the driver-side motor is for the auto park function. It seems that the terminal has been snapped off so that will require the removal of the motor for repair. Still unsure why the passenger side only runs at slow speed.

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Maurice
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tegebe

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Re:Windscreen wiper fault
« am: 02.Februar 2022 17:20:04 »
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Zitat:
disconnect


Oh, I meant you need to disconnect the dashboard physically in order to get it fully dismounted :-)

You don't need to disconnect the battery, sometimes you can't, e.g. when working on the dashboard. But it is much more safe to disconnect the battery - or to be very cautious and know what you're doing. The main switch is perfectly suitable.
« Letzte Änderung: 02.Februar 2022 17:27:40 von tegebe » Moderator benachrichtigen   Gespeichert
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Re:Windscreen wiper fault
« am: 02.Februar 2022 17:24:18 »
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Did you cross-change the relays? One of my wiper did also only run in slow. The relay was broken. Ah, and there are two types of relays for the wipers, one low-speed relay and one high-speed relay. If they are interchanged, the wiper won't work as demanded.
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Re:Windscreen wiper fault
« am: 02.Februar 2022 19:57:37 »
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53a und 53e the Contact for Parking
Grüße Daniel
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Mo

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Re:Windscreen wiper fault
« am: 02.Februar 2022 20:00:35 »
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Zitat von: tegebe am 02.Februar 2022 17:20:04
Zitat:
disconnect
Oh, I meant you need to disconnect the dashboard physically


That's what I understood, but my reply was unclear smiley

I will check the relays tomorrow. I don't have any spare fuses so I will have to be more careful than last time.

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Maurice
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