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07-10-2013, 03:33 PM
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#1 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Wipers don't move on dry glass.
85 gmc vin m/ new window wiper motor
Non intermediate wipers, only high and low with washer spray. I have proper amperage when window wiper motor is under load. 2.5a for low and 5a for high. With no wiper arms on the motor it's fine. If the window is wet its fine. But besides that the wipers get stuck and The motor gets wicked hot. Anyone got any ideas? Posted via Mobile Device |
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07-10-2013, 03:49 PM
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#2 |
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Registered User
Join Date: Mar 2012
Location: Woodbury, Ct.
Posts: 1,686
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Re: Wipers don't move on dry glass.
Mine are the same way..The water acts as a lubricant and they work ok.
I try not to use them when it's not raining...lol |
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07-10-2013, 06:00 PM
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#3 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
Yeah same here. I hate it. So ghetto lol. I want it to be right. So frustrating. I'm about to buy a starter motor and wire it up with a manual switch and have one torquey ass speed.
Posted via Mobile Device |
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07-10-2013, 07:11 PM
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#4 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
Bump
Posted via Mobile Device |
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07-10-2013, 07:11 PM
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#5 |
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Registered User
Join Date: Feb 2012
Location: Mud Lake, Idaho
Posts: 346
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Re: Wipers don't move on dry glass.
Maybe try silicone wiper blades?
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07-10-2013, 07:23 PM
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#6 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
Lame, the wipers are new. Anyone got a wiring diagram of the wiper motor.
Posted via Mobile Device |
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07-10-2013, 07:30 PM
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#7 |
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Registered User
Join Date: Mar 2013
Location: Fayetteville Arkansas
Posts: 830
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Re: Wipers don't move on dry glass.
Here is some good diagrams, you may want to check for binding as well.
http://forum.73-87chevytrucks.com/sm...?topic=11766.0
__________________
Scott 87 Chevy 2WD SWB, 88 4x4 LWB http://67-72chevytrucks.com/vboard/s...d.php?t=610652 |
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07-10-2013, 07:31 PM
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#8 |
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Registered User
Join Date: Mar 2013
Location: Fayetteville Arkansas
Posts: 830
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Re: Wipers don't move on dry glass.
Just looking at your post, I would get a new motor.
__________________
Scott 87 Chevy 2WD SWB, 88 4x4 LWB http://67-72chevytrucks.com/vboard/s...d.php?t=610652 |
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07-10-2013, 09:56 PM
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#9 |
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Registered User
Join Date: Jun 2010
Location: Centerville, MN
Posts: 81
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Re: Wipers don't move on dry glass.
Sodell is correct, I had the same issue on a 78 and once I put in a new wiper motor that fixed the issue apparently like the electric window motors they get weak over time.
__________________
"Not all those who wander are lost." A.R.R. Tolkien... Some of us are exploring to see what is out there in this world! 
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07-11-2013, 10:08 AM
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#10 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
Thanks for input but read my original post. New window wiper motor. Linkage is all good and lubed up. Works awesome with wiper arms off. Won't move arms when I put them onto motor unless window is wet
Posted via Mobile Device |
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07-11-2013, 10:14 AM
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#11 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
Either I'm putting a starter motor/toggle switch combo one speed or finding a newer compatible motor. The motor is brand new. This is lame
Posted via Mobile Device |
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07-11-2013, 12:35 PM
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#12 |
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Registered User
Join Date: Jan 2011
Location: Port Coquitlam, BC
Posts: 202
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Re: Wipers don't move on dry glass.
Maybe the springs in the wiper arms are too tight creating too much tension between the wipers and glass
Posted via Mobile Device
__________________
Proud UA member since 2009 My LT1 Silverado build-up: http://67-72chevytrucks.com/vboard/s...d.php?t=549660 Check out my new YouTube channel! - https://youtube.com/channel/UCXk5mZOQI1sEnu5bIkhe7fA |
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07-12-2013, 09:22 PM
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#13 |
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Registered User
 Join Date: Oct 2011
Location: Wildomar, CA
Posts: 466
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Re: Wipers don't move on dry glass.
Try some of this glass scrub. I got it from AutoZone. Even claims to improve wiper performance. Works great! Did all my trucks. Double check all your wiring too. Too much resistance in the switch, power feed or ground will cause this too.....
Posted via Mobile Device Posted via Mobile Device |
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07-12-2013, 09:39 PM
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#14 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Wipers don't move on dry glass.
Just because the motor is "new" does not mean that it is any good.
"Assuming" that the new part couldn't still be the problem is short-sighted. Been there, in fact that is one of the first things I would check.
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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07-13-2013, 08:49 AM
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#15 | |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,964
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Re: Wipers don't move on dry glass.
Quote:
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And please let us know if and how your repairs were successful. |
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07-13-2013, 12:14 PM
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#16 |
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Registered User
Join Date: Nov 2012
Location: Morris, ct
Posts: 54
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Re: Wipers don't move on dry glass.
One wiper arm is new. I'm going to try an out washers below the wiper arms so I can raise them a little higher and hopefully create less resistance. Mabe I will look into that window scrub stuff. I did razor clean the window...
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