rear wiper mod? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 13 Old 12-01-2014, 12:39 PM Thread Starter
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rear wiper mod?

i've noticed that the rear window wiper is essentially worthless, especially combined with a larger aftermarket tire. my wiper cleans a small section of glass above the tire, and the rest of the clean glass is behind the tire.

if a longer wiper could be installed and the motor be limited so that it sends the wiper back up earlier (maybe a 30 or 40 degree swing vs. the stock 90 degree swing) it would do a much better job of cleaning the important part of the window that is actually useful to the driver.

i tried to make a drawing explaining what i'm talking about but i can't get it to upload to the forum.

does anyone know if wiper motors can be limited so that they swing a shorter distance before returning?
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post #2 of 13 Old 12-01-2014, 03:54 PM
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Generally with wiper arms the swing is pre-determined.

Like in most factory front linkage, the motor just turns in a complete circle and the connecting arms are what what you can remove and reposition.

What you may be able to do IF the arm is removable (Usually a 10mm nut on front linkage) position it higher or lower, it will still have the same swing distance but may reach where you need to go.

good luck
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post #3 of 13 Old 12-01-2014, 05:41 PM
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I was also thinking the same thing. Changing a longer blade and wiper arm can may be help a lot, but I have to study and analyze the set up better before starting the mod.
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post #4 of 13 Old 12-01-2014, 06:24 PM
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Maybe a longer blade with a bearing and limit bands to keep it horizontal would reach farther out with the same motion.

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post #5 of 13 Old 12-01-2014, 07:39 PM Thread Starter
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here's a link to a visual of what i'm trying to accomplish. i might try to open up the black box on the window to see how it all works and whether or not it would be easy to modify.

https://docs.google.com/drawings/d/1...it?usp=sharing
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post #6 of 13 Old 12-01-2014, 09:20 PM
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I was hoping this was a thread to remove the wiper and motor completely. I can't even see my back window or even have a rear view mirror to see it with..
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post #7 of 13 Old 12-02-2014, 09:17 AM
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Originally Posted by Doormandan View Post
I was hoping this was a thread to remove the wiper and motor completely. I can't even see my back window or even have a rear view mirror to see it with..
Yeah I wouldnt mind deleting my rear wiper and motor also. Just seems pointless to me. the bigger the tire the less area to see out of and the wiper cleans the spot where the tire covers.

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post #8 of 13 Old 12-02-2014, 11:37 AM
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Quote:
Originally Posted by Skinny View Post
Just seems pointless to me. the bigger the tire the less area to see out of and the wiper cleans the spot where the tire covers.
This. And if you already can't see out the back because of the tire, then it doesn't really matter that you can't see out the back because of raindrops or dust. Lots of vehicles on the road have no rear visibility. That's part of what side mirrors are for.

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post #9 of 13 Old 12-02-2014, 01:09 PM
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Quote:
Originally Posted by Doormandan View Post
I was hoping this was a thread to remove the wiper and motor completely. I can't even see my back window or even have a rear view mirror to see it with..
IIRC the window is painted behind the wiper motor and the paint takes up more visibility than the motor and mechanism.

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post #10 of 13 Old 12-02-2014, 02:17 PM
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Quote:
Originally Posted by UnlimiDozer View Post
This. And if you already can't see out the back because of the tire, then it doesn't really matter that you can't see out the back because of raindrops or dust. Lots of vehicles on the road have no rear visibility. That's part of what side mirrors are for.


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post #11 of 13 Old 12-02-2014, 02:52 PM
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I pulled mine off and sold the motor for 75$.

All you need is a plastic cap to cover the hole in the glass.
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post #12 of 13 Old 12-03-2014, 05:22 AM
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Quote:
Originally Posted by UnlimiDozer View Post
This. And if you already can't see out the back because of the tire, then it doesn't really matter that you can't see out the back because of raindrops or dust. Lots of vehicles on the road have no rear visibility. That's part of what side mirrors are for.
haha yeah i totally get that point. But would it be worth a mod? I have seen others put in a back up camera and found something that bypasses the safety circuit, if thats the correct terms, that allows the Nav system to have more functions while driving. ie typing addresses in or in what i was reading about the nav screen turning to the back up camera. could you use that as a rear view mirror of some sort since you cant see out of the rear view mirror? just a thought.

It maybe too much work for that mod. but I had been thinking about completely deleting my rear window on the hard top and making something like Rebel OffRoad did with the Rotopax mount for the hard top.

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post #13 of 13 Old 12-03-2014, 06:49 AM
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The NAV units in Jeeps were also use in other Chrysler vehicles that had backup cameras. All you need are the right bits (I bought the lockpick that has the inputs) and Bob's your uncle, you've got a backup camera.

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