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Windshield wiper control?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CrazyCooter, May 18, 2001.

  1. CrazyCooter

    CrazyCooter Registered Member

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    On a 1983 GMC Jimmy, what controls the intermitant wipers and the amount of time the washer fluid comes out? Is it on the switch or the motor? My switch is located on the dash, not on the column. I lost my delay, and my windshield wiper fluid squirts out until it is empty. Any sugestions? Thanks Tom
     
  2. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    I think the switch.... Do you adjust the frequency of the wipers by twisting the knob?
    Pull the swich out and check if it has wires running to washer pump. Have you priced one yet?
     
  3. CrazyCooter

    CrazyCooter Registered Member

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    Yes, it is the switch with the knob. I wasn't sure if there was a seperate controller on the pump/motor. I will check the wires tomorrow. I am pretty sure it is the switch, but just wanted to ask around to see if anyone else had a similar problem. Thanks, Tom

    1983 GMC Jimmy
    305/700R4/NP208
    Ugly, tough,170,000 original miles and bone stock (not for long)
     
  4. dyeager535

    dyeager535 1 ton status Premium Member

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    There is a "delay" module that is plugged into the wiring in the back of the switch that controls the wiper delay obviously. Wash is controlled by the switch. Either or sounds like it could be the problem.

    Dorian
    My tech/links page: <A target="_blank" HREF=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</A>
    No anti-theft measures on your truck? No pity when its stolen
     
  5. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    This may sound stupid, but my 83 half ton(same dash control) started pumping non-stop one day. After going through all the wiring and checking for a short, I realized that my switch was stuck in the pump-on position(pushed in). I gave it a little outward yank and my problem was solved!!!!!!!!!!!!!![​IMG]

    It might be worth it to give your knob a tug...................NO, NOT THAT KNOB[​IMG] and see if that's what's wrong........



    <font color=red>PHOTO ALBUM-</font color=red> <A target="_blank" HREF=http://albums.photopoint.com/j/AlbumList?u=1289798>http://albums.photopoint.com/j/AlbumList?u=1289798</A>.......<font color=blue>TRUCK & HIKING PICS</font color=blue>
     
  6. Blazer_Boy

    Blazer_Boy 1/2 ton status

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    Well basically you push the switch which triggers a magnetic solenoid that pulls up a little lever and drops it onto a gear in the washer motor. That gear makes a complete revolution with that little lever on it which pumps the fluid. Then theres a notch that kicks off that little lever on the gear and it returns to the start position. If you lost the delay and washers than chances are your "brain box" went retarded under the dash. It actually does have some control over washer function because I swapped mine and the washers came back to life. What you have to do is pull off the bottom vent tube above you feet and shine a light in the area behind the switch. It should be a small rectangular box with two harness leads comming off going to the switch and one harness lead going off the box towards the fuse block. All you have to do is plug in the new one. The box is still available from GM for like $30-$40.

    <A target="_blank" HREF=http://www.geocities.com/bigkern76>http://www.geocities.com/bigkern76</A>
     
  7. dyeager535

    dyeager535 1 ton status Premium Member

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    I would suggest then that you had a bad connection, as the non delay wipers did not have the box, but still had wash. of course that doesn't mean that for some reason GM didn't integrate the wash into the box for some reason, but that wouldn't make much sense from a manufacturing stand point. I don't see a whole lot of benefit from researching the way the two swiches are wired, but someone with the wiring manual probably could do it and see what each switch does.


    Dorian
    My tech/links page: <A target="_blank" HREF=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</A>
    No anti-theft measures on your truck? No pity when its stolen
     

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