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-   -   Windshield Washer pump stays on with wipers (https://www.thirdgen.org/forums/electronics/693010-windshield-washer-pump-stays.html)

The Eager Teen 11-28-2013 02:09 PM
Windshield Washer pump stays on with wipers
 
Hey guys,

As the title says, I installed a Wiper motor assembly from an 83 Camaro into my 85 Trans Am. Everything plugs in fine, but, when I turn on the wipers the washer pump turns on too and stays on as long as the wipers are moving.
As soon as I turn the wipers off the washer shuts off too.

Any idea whats going on or how I can fix this? Is there a difference internally between an 83 and an 85 wiper motor?

Thanks

6SIX6 11-28-2013 02:44 PM
Re: Windshield Washer pump stays on with wipers
 
Im pretty sure the wiper motors are completely different between the years. Is this a recent situation or has been for awhile. I say replace the entire thing unless you can take it apart and clean the contacts as sometimes corrosion can cause the board to do odd things

rusty vango 11-28-2013 03:41 PM
Re: Windshield Washer pump stays on with wipers
 
Originally Posted by The Eager Teen (Post 5673884)
Hey guys,

As the title says, I installed a Wiper motor assembly from an 83 Camaro into my 85 Trans Am. Everything plugs in fine, but, when I turn on the wipers the washer pump turns on too and stays on as long as the wipers are moving.
As soon as I turn the wipers off the washer shuts off too.

Any idea whats going on or how I can fix this? Is there a difference internally between an 83 and an 85 wiper motor?

Thanks
its not the wiper motor that youre having trouble with .its the motor cover/logic module that is specific to the car.when you play mix-n-match .this is often the result.try and find a motor cover for your specific car.be advised no body makes a replacement. so, happy hunting

John in RI 11-28-2013 08:37 PM
Re: Windshield Washer pump stays on with wipers
 
Search for another replacment unit,... 84-87 Camaro, IROC, Z28 ( NOT Berlinetta ! ) or Firebird, Trans AM, GTA unit will be a direct fit.

:driving:

The Eager Teen 11-28-2013 10:16 PM
Re: Windshield Washer pump stays on with wipers
 
Sigh.

Thanks a bunch guys

Looks like it's back out to pickapart again.

NINÅ 12-02-2013 04:45 PM
Rain Pain
 
Originally Posted by The Eager Teen
Sigh………. Looks like it's back out to pickapart
If you can’t find a cover/circuit board you can install this circuit.

For R1 start with 4700 ohms, and C1 5μF.

That should render about 5 seconds of wash time, and only when you press the Wash Switch.

For more time increase the values of C1 and or R1.

For less time decrease the values of C1 and or R1.
http://s6.postimg.org/imba0s1hd/WASH...NON_NASCAR.png
The above will return factory performance.

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Happy Racing!
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I Didn’t Wreck, The Track Moved

The Eager Teen 01-13-2014 12:37 PM
Re: Rain Pain
 
Whoops, I never updated.

It turns out I had an extra motor in my garage. Put it on and works fine now.

Thanks for that schematic though!


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