Wiper stepper motor/switch - Defender Source
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  #1  
Old July 5th, 2012, 10:29 PM
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Mike
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Wiper stepper motor/switch

A few weeks ago I found a thead with the part that I believe I need but I can find the damn thread now. My wipers aren't working so well in the intermittent mode. Isn't this due to a bad switch in the dash? Since I can't find the thread I stuck now and therefore i cant order a replacement. Would someone please help?
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  #2  
Old July 6th, 2012, 07:43 AM
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Was it this one? http://www.defendersource.com/forum/...ad.php?t=14243
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  #3  
Old July 6th, 2012, 01:29 PM
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Quote:
Originally Posted by MC22958 View Post
Bingo. Thx
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  #4  
Old July 6th, 2012, 08:37 PM
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Mike
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Is this the part :
http://www.roversnorth.com/p-1770-pa...per-motor.aspx
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  #5  
Old July 6th, 2012, 09:23 PM
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I had no intermittent operation and changed out the park switch and it ended up being the wiper relay. Although when i changed out the wiper park switch i found that the housing was cracked anyway. The other symptom i had was the wiper fluid mode only sprayed fluid it did not actuate the wipers.
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  #6  
Old August 17th, 2012, 12:44 AM
Tyler Wirken
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I now have the same problem. Replaced the park switch and still the same problems.

Wipers work fine in high and low but in intermittent mode they work but not properly. The relay clicks in but then seems to click out to fast and stops them. It then clicks on powers on again but not long enough. Also wipers will not return to parked position in any mode even with the new park switch in.

Thoughts?

Also any know the part number for the relay?

Thanks

Tyler
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  #7  
Old August 18th, 2012, 09:01 AM
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Bryan
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Tyler,

What happens when you try to use the washer fluid? when my relay was bad it would spray fluid but fail to move the wipers.

for my 94 i needed used wiper relay AMR2341.

good luck.
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  #8  
Old August 19th, 2012, 09:42 PM
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When I use the washers the wipers do come on so you are probably correct it is not the relay. I am thinking ECU problem not timing power to relay long enough therefore not allowing the intermittent wipers to wipe long enough as well as not hitting the park switch properly perhaps.

I also do not have the familiar ding dong that happens when you turn key to start. Wondering if my ECU is jacked.
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  #9  
Old August 19th, 2012, 09:46 PM
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Quote:
Originally Posted by Tyler Wirken View Post
When I use the washers the wipers do come on so you are probably correct it is not the relay. I am thinking ECU problem not timing power to relay long enough therefore not allowing the intermittent wipers to wipe long enough as well as not hitting the park switch properly perhaps.

I also do not have the familiar ding dong that happens when you turn key to start. Wondering if my ECU is jacked.
it's nothing to do with the ECU ... it deals with running the engine ... nothing to do with the wipers! Its a land rover not a lexus!
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  #10  
Old August 20th, 2012, 11:13 AM
Tyler Wirken
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According to my wiring diagram the multi-function ECu controls the intermittent wipers both front and rear. The ECU also dims the dome light etc... Not just controls engine.

It shows wires for the intermittent wipers going to ECU then to relay. Something has to tell the relay when to time out I would assume.
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  #11  
Old August 20th, 2012, 12:46 PM
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Tyler
I am on a mobile device what model and year is your vehicle?
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  #12  
Old August 20th, 2012, 01:31 PM
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1997 d-90 sw

Thx.
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  #13  
Old August 20th, 2012, 11:08 PM
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Tyler,

http://www.defendersource.com/forum/...ad.php?t=13792

It appears that the 97 has an aux ecu. the link above describes a possible fix for your issue.

good luck
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  #14  
Old August 21st, 2012, 12:10 AM
Tyler Wirken
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Tyler Wirken
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Thanks Bryan for all the work. I fixed it tonight! Crazy simple fix. Kinda embarrassing as well. Apparently at some point along the road in my five year revuild I removed the wiper relay as well as the one next to it in the fuse panel. One is a yellow one and one is a green one. Well I put them back in the wrong plugs. So the wiper one was missing an 87a terminal. So a simple flip flop of the relays fixed it. Two second fix after hours of troubleshooting.

At least it was easy.
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