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E39 Touring rear wiper

BMW forum 5 series car: E12, E28, E34, E39, E60, E61, F07, F10, F11

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E39 Touring rear wiper

Postby microcat36 » Mon, 26 Jan 2009 11:20:14 UTC

I have freed of the rear wiper, checked fuses 43 and 55 and i still have no wiper or washers, the pump does not sound and there is no click from the relay at the back when you use the wiper stalk.
I am wondering if the stalk could be at fault as my auto wipers do not work either, i only have the single intermittent speed on them, it just seemed suspicious that all three things are not working, i am going to run power direct to the rear wiper to make sure it is not dead or a wire break, any other thoughts?.
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Postby gixerboy » Mon, 26 Jan 2009 16:08:46 UTC

Just a thought , none of the rear wipers functions work if the car thinks the tailgate is open. But I'm sure you get a dash message but all functions gone is mighty coincidental.
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Postby BlackStuff » Mon, 26 Jan 2009 21:13:34 UTC

Sounds suspiciously like a K-Bus fault to me. Have a very careful check of the functionality of everything else electric on the car and you might find one or two more failures.

Prime suspect would be chafed / damaged wires where they enter the tailgate at the hinge at the top.
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Postby BlackStuff » Mon, 26 Jan 2009 21:14:48 UTC

Other possibility might be the wiper control module.
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Postby microcat36 » Mon, 26 Jan 2009 22:48:01 UTC

I have checked all the cars equipment out and the only things not working are the Auto wipers, rear wiper and rear washers, of the wiper functions i have Auto ( one speed intermittent), continuous slow and fast speed, washers,intensive and headlight wash all work, the Auto setting might be that the car has had a new windscreen in the last 3 months and they need reseting.
It looks like i will have to check and see if the wiper motor is getting power and working, also does the rear wash have a separate pump?.
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Postby Dec Mc D » Tue, 10 Feb 2009 21:41:51 UTC

Hi,

Just wondering if you had any luck sorting out the rear wiper as I now seem to be suffering from a similiar problem ?

Dec.
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Postby dirtymonkey29 » Wed, 03 Mar 2010 17:00:42 UTC

was this resolved...i have same problem, fuses ok
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Postby golligy » Wed, 03 Mar 2010 17:31:54 UTC

Hi
I have the same thing no rear wash or wipe but also my reversing sensor beebs when you engage reverse then one long beep but doesn't do anything once you start getting close? Is there a particular route the cables take from front to back of the car?
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Postby dirtymonkey29 » Wed, 03 Mar 2010 19:04:23 UTC

my reversing sensors work, and by the sound of it yours do to if your getting a beep when you select reverse. You will have a sensor blown, easy to locate the faulty one by turning on electrics to car (the key position just before it starts the engine) stick it in reverse then get your ear next to each sensor in turn and they should be clicking, the one thats not clicking is the faulty one
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Postby golligy » Wed, 03 Mar 2010 20:49:53 UTC

Ah I didn't realise they click I will try that then cheers.
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Postby Dec Mc D » Wed, 03 Mar 2010 21:20:25 UTC

Hi All,

Just to let you know that I found the problem with my rear wiper. It turned out to be a break in the power supply cable roughly where it enters the tailgate. The cable had broben clean through. I re-made the connection and checked the other wires and "touch wood" all has been OK since.

Hope this helps.

Dec.
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Postby dirtymonkey29 » Wed, 03 Mar 2010 21:57:47 UTC

dont happen to remember the colour of the wires do you?
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Postby dirtymonkey29 » Thu, 04 Mar 2010 16:39:01 UTC

as well as the colour of the wire, was it the bundle on the left or right hand side of the tailgate?
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Postby Dec Mc D » Thu, 04 Mar 2010 20:04:09 UTC

Hi,

Standing at the rear of the car the wires are on the right-hand side. It is about a year since I did the job so unfortunately I can't remember the colours. However I do remember that the power cable was heavier than the others so I was surprised that it had failed. I imagine that it should be completely or partially red in colour.

It is a PITA of a job as you will have to un-rap the loom and feel along each wire to try and find the break. If you can establish just where the loom bends when the tailgate is opened and closed, - that is where you should look. You might be advised to check at the wiper motor whether or not power is reaching it before you start chasing for a break in the wire.

Best of luck,

Dec.
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Postby SteamyRotter » Thu, 04 Mar 2010 23:18:52 UTC

RHS (looking at car from rear)

Red with White strip

approx 2.5mm Sq.
-------------------------
98 E39 525TDS Touring.
53 E53 3.0d X5.
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