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bench testing a rover wiper motor
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Author:  floss [ Tue Jun 29, 2010 6:06 am ]
Post subject:  bench testing a rover wiper motor
Hey guys and girls,

I am installing a rover wiper motor and a rover column into my clubbie van. Before I get into whats going on I will ask a small question.

Do Rover mini's with column wiper and headlight stalks have a switch on the dash to turn on the wipers or do you just switch up the stalk and it comes on? Might be dumb but I couldn't see it in the diagram (so i don't think so).

So I bench tested the wiper motor by running a POS through a simple on/off switch and then into a 5 amp fuse so I didn't break anything. I wired the green on the wiper motor to power and the green on the stalk to power as well. I wired the black to neg and also ran one from the body to the neg as well. I then matched up the colours. When I flicked the switch the wiper motor came on immediately and I could change speeds but it didn't turn off in the bottom position.

What have I done wrong and how do I fix it? am I running power to the wrong spot?

When I tested for connectivity with the multimeter it showed that the positive wires showed connectivity with the wiper motor body, and with the coloured wires that control things like wiper speed and intermittent. Weird


Thanks all for any insight you can give me.

Cheers
David

Cheers
David
Author:  Convertible Mini [ Tue Jun 29, 2010 6:24 am ]
Post subject:  Wiper motors.
Understanding how to wire up Wiper motors could be quite complex. You might have to actually pull the motor apart and see which Brush the wires go to and which wires are the park switch wires. But in saying that you will also need to know which Brush is which Pos - Neg speed 1 and neg speed 2. the park normally works through the slow speed. Make sure you do not short it out through the park switch contacts as that will be the end of the Park switch. Good thing you are using an in-line fuse. Most wiper motors have a direct Positive to the Motor and the switch switches negatives for the speeds and Park mode and the intermittent control unit is integrated into the slow speed. I hope you are confused enough !
Author:  floss [ Tue Jun 29, 2010 6:28 am ]
Post subject: 
hey convertible mini,

I read on here from you to use the fuse.

because the column and the wiper motor are from the same model Rover I jut matched the colours. The only things left that are not matched are a solid green in the wiper motor, a solid green on the column (I have ran power to both of these) and blacks That I have earthed.

If I pull power from the green that goes to the wiper motor it works with normally but doesn't self park. I think this is because this green and the earth are used to self park the motor but something must be broken as this is providing power to the whole motor.
Cheers
David
Author:  GT mowog [ Tue Jun 29, 2010 5:24 pm ]
Post subject: 
The Rovers only had the stalk switch (the one on the column) to operate the wipers. There were no dash mounted switches as well.

I have done this conversion and I have a wiring diagram. PM me.
Author:  MINImal effort [ Tue Jun 29, 2010 7:25 pm ]
Post subject: 
Some wiring tips here at bottom of page: http://www.s-v-c.co.uk/prod_wipers.html

Later wipers (14w) use a different park unit to OZ ones.... looks like the park unit can fail but can be bought as a seperate unit. (see same web link page)
Author:  floss [ Wed Jun 30, 2010 7:21 am ]
Post subject: 
thanks all for your replies.

I think I sussed out why the motor would constantly run. It is kinda dumb on my part but I was testing it without the gearing in so the park switch pin was always sticking out. Once I pushed this in it stopped and I would select speeds and intermittent.


Thanks again for the helpful advice and link!

D
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