Wiper motor test bench diagram - Team Camaro Tech
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post #1 of 22 (permalink) Old Mar 29th, 03, 05:01 AM Thread Starter
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Here it is, by request. Use test leads to connect switch to motor. Test switch between metal part and spade terminals for 0 ohms in each position. Low is just light blue at 0 ohm, High is both black and light blue at 0 ohm. Washer+ low are light blue and dark blue at 0 ohm. Any questions? Kevin

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post #2 of 22 (permalink) Old Mar 31st, 03, 12:02 PM
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So is this the color schem for the factory harness? What are you using the battery charger for? What is your meaning behind the 0 ohms at the end of each statement? Thanks for looking into this, I have a system I need to rebuild and now I can wire it myself. good work.
Eric

'70 Nova, 427ci, TH400, 3:73, 12.0? w/113mph, want more.
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post #3 of 22 (permalink) Old Mar 31st, 03, 02:17 PM
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I believe he means the resistance to ground should be 0 ohms at each switch position (measured between switch terminal and switch ground). It might register a fraction of an ohm, but the point is, the switch is grounding the leads to the motor to provide the two speeds. If the switch showed something greater than 1 ohm, the switch (or your test leads) is bad.

-dnult

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post #4 of 22 (permalink) Old Mar 31st, 03, 04:05 PM
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The charger is just one way to power the setup. A car battery with cables would work also. I use a 12-volt power supply to test stuff.

This is assuming the device ya wanna juice up is out of the car.
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post #5 of 22 (permalink) Old Apr 2nd, 03, 01:57 PM Thread Starter
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bbc427, the colors are for 69. I don't know if 68 or 67 are different. I threw the 0 ohm stuff in to make sure you test your switch before troubleshooting the motor. Like dnult says, you test between metal ground and the switch spade terminals for 0 ohms (good connection!)

I used the battery charger cause I was doing this in my basement and did not feel like lugging the battery downstairs. I tested the motor with vise grips holding the 2 halfs together after taking it apart to clean it. No sense in crimping the halfs back together and find you had a bad solder! [img]smile.gif[/img] I also put the motor in a vise to prevent the torque from twisting the motor around.

Kevin
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post #6 of 22 (permalink) Old Jun 7th, 07, 04:39 PM
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Re: Wiper motor test bench diagram

Jim, what about making this one sticky. It gets referenced about once a month it seems.

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post #7 of 22 (permalink) Old Jun 7th, 07, 05:35 PM Thread Starter
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Re: Wiper motor test bench diagram

Thanks Dave! If I could get my hands on some 67 parts, i could make up a 67 test diagram.
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post #8 of 22 (permalink) Old Mar 23rd, 08, 08:07 PM
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Re: Wiper motor test bench diagram

This is helpful. My problem is it looks like all of my wires are black. Might have been painted when the firewall was done. I'll take a closer look tomorrow. Thanks for the help.
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post #9 of 22 (permalink) Old Aug 2nd, 09, 07:18 AM
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Re: Wiper motor test bench diagram

What about when it comes to a combined windshield washer motor w/pump, Do you have a schematic for that? What i am getting from what you are saying is that there is no pwr present @ the switch itself, and only @ the motor itself?
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post #10 of 22 (permalink) Old Sep 4th, 09, 05:17 PM
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Re: Wiper motor test bench diagram

what connector does the 3 wire connector connect to, the washer motor or the wiper motor?
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post #11 of 22 (permalink) Old Sep 5th, 09, 07:04 AM Thread Starter
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Re: Wiper motor test bench diagram

Steve the 3 contacts on the motor in a factory harness are a single for the yellow wire and a double for the Light Blue and black. The new harness must have combined them.
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post #12 of 22 (permalink) Old Sep 5th, 09, 07:25 AM
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Re: Wiper motor test bench diagram

Thank Jeff (yellow69RS) as he lent me his GM Wiper manual.
Click image for larger version

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Hope this helps.

Some videos I'v made for youtube
http://www.youtube.com/user/dons69camaro
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post #13 of 22 (permalink) Old Sep 6th, 09, 05:05 PM
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Re: Wiper motor test bench diagram

No, one of the connectors has 3 wires( 2 of the wires are together) and the third from one jumps to the other connector.
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post #14 of 22 (permalink) Old Sep 11th, 09, 08:06 PM
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Re: Wiper motor test bench diagram

Quote:
Originally Posted by bigsteve View Post
what connector does the 3 wire connector connect to, the washer motor or the wiper motor?
That connector goes to the wiper motor. The yellow is hot with key on. the light blue is low speed. The other conector goes to the pump(yellow and dark blue) the third wire should be black and in single connector.

Jeff
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post #15 of 22 (permalink) Old Dec 5th, 10, 07:16 PM
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Re: Wiper motor test bench diagram

O.K........ So to be perfectly honest, I am not completely positive what may have caused this but now, I went out, checked out the wires, hooked all of it up and I can have the wipers stop in the far left knob position, slow at click one, and fast at click two. As they run I can hear a "Clicking" noise I am going to assume is the park switch cam activating the contacts??????

Now here we go; I can tell the wipers shut off at any given place their travel though.....they don't continue to run until Park position..........

gettin' closer though......

I am going to try a search on this issue......... Or if you have tips on this item that's great!

Thanks guys..........

Don

My 68 coupe that I begged for since age 6..350, 4 speed, new paint

See some progress below!

http://i13.photobucket.com/albums/a2...t/IMG_0977.jpg
http://i13.photobucket.com/albums/a2...IMG_1648-1.jpg
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