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View Full Version : Added a variable speed control on the wiper motor.



pahawi
11-16-2011, 05:48 PM
With only light rain, the one speed wiper is pretty annoying, so I decided to add a variable speed control. I wanted to place it next to the wiper switch, so I had to move all switches one step to the right. For better access, I unscrewed the whole metal thing attached to the roof. I popped out the square metal thing, where the switch for a beacon light is suppose to sit and moved the switches to the right. If you ever need to move, or take out these switches, remember to remove the black part first, as the gray part cant be released, with the black part in place.
I welded a bracket on the square thing I popped out:

http://i48.photobucket.com/albums/f207/pahawi/P1050116.jpg

I drilled the holes needed, painted it black, attached it, and put the whole thing back on the machine, where I finished the wire work and added the timer:

http://i48.photobucket.com/albums/f207/pahawi/P1050122.jpg

Everything in place:

http://i48.photobucket.com/albums/f207/pahawi/P1050125.jpg

Now I can choose to start the wiper as before, or I can start it by turning the new control and vary the speed between 2 to 20 times per minute.

Just thought I would share.

Paul

Deputy347k9
11-16-2011, 08:42 PM
Good idea and very nice job. I know how you felt as my John Deere tractor has a one speed wiper system and it can be annoying at times.

trussman
11-16-2011, 08:58 PM
Great idea and thanks for the pictures. I might have to do that to mine someday. Can you share the part number and where to buy the variable speed control?

Tim

pahawi
11-17-2011, 03:56 AM
I used a Hella, part# 5WA 001 871-041 (12 volt). Not sure where to get Hella products in US, so try to Google the part# and see what pops up. JD use other Hella items, so maybe your local JD store can get it.

Hope it helps.

Paul

Regulator
11-21-2011, 12:28 AM
Very cool idea and "how to"....I appreciate it as I am sure others do too...looks like something I could see me wanting to do at some point....my 825i is just a little over a month old, so I am too busy playing to actually add something that makes sense....hahaha...

Larry in MD