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Old 09-11-2018, 04:50 AM   #1
tino0217
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windshield wiper pump

How do you wire a windshield wiper pump
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Old 09-11-2018, 02:28 PM   #2
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Re: windshield wiper pump

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Originally Posted by tino0217 View Post
How do you wire a windshield wiper pump
The pump is wired with the windshield wiper motor They use the same wire loom. If you are talking about an external aftermarket pump here is a post by member "Linus6129":

Quote:
Ok, all done. Don't touch the wires at the switch, don't need to. Unplug the 2wire harness at the washer pump, unpin the terminals from the plug. There is a yellow wire and a blue wire. Mount your pump where you need it. I mounted mine on the fender well by the reservoir. Now get some wiring and wire up everything. My Trico pump came with black and white wiring so I ran the same colors back inside the cab to the original 2 wire harness. I put the white to yellow and the black to the blue wire. Turn on the power, tested, everything works the way it is suppose to. DONE.

The original wiring is shown in this thread.

http://67-72chevytrucks.com/vboard/s...d.php?t=413551

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Old 09-12-2018, 09:08 AM   #3
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Thumbs up Re: windshield wiper pump

The stock pump and after market pumps I have done are 12 volts to pump motor and the ground goes to the switch. So when you turn it on you ground it.
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Old 09-19-2018, 01:31 AM   #4
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Re: windshield wiper pump

The ground goees to the pump, where does the positive go?
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Old 09-19-2018, 12:27 PM   #5
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Re: windshield wiper pump

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The ground goees to the pump, where does the positive go?
Positive is the Yellow wire and it comes from the fuse block to the washer pump then on to the wiper connector. Here is a picture of the wire connections on the wiper/pump. The Brown connector is the washer pump and the Black connectors are for the wiper. The Light Blue, Dark Blue, and Black wires go to the wiper switch in the dash.

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Old 09-21-2018, 02:06 AM   #6
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Re: windshield wiper pump

This the pump that's on my 71 C10. Do I just follow your instructions juice using the negative in the positive?

Last edited by tino0217; 09-21-2018 at 02:08 AM. Reason: Asking another question
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Old 09-21-2018, 02:09 AM   #7
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Re: windshield wiper pump

Did the picture of my pump come through can you see the picture
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Old 09-21-2018, 02:10 AM   #8
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Re: windshield wiper pump

Before I forget I really appreciate your response the very quick and very beneficial this is new to me but I really appreciate your help
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Old 09-21-2018, 03:11 PM   #9
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Re: windshield wiper pump

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Originally Posted by tino0217 View Post
This the pump that's on my 71 C10. Do I just follow your instructions juice using the negative in the positive?
Not understanding this....

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Originally Posted by tino0217 View Post
Did the picture of my pump come through can you see the picture
No picture came through.

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Originally Posted by tino0217 View Post
Before I forget I really appreciate your response the very quick and very beneficial this is new to me but I really appreciate your help
No problem.
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Old 09-26-2018, 07:00 AM   #10
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Re: windshield wiper pump

Gonna try again. This a pic of the pump for my 71 C10. It looks like it's stock for this truck. With these two wires to start with, would i go positive to the fuse box and negative to the wiper motor?
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Old 09-26-2018, 10:22 AM   #11
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Re: windshield wiper pump

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Gonna try again. This a pic of the pump for my 71 C10. It looks like it's stock for this truck. With these two wires to start with, would i go positive to the fuse box and negative to the wiper motor?
Ah, that is not the stock washer pump, that is an aftermarket pump or a pump from another type of vehicle. The stock washer pump is part of the windshield wiper motor under the dash. You can use that pump and wire it in with a toggle switch, or it can be wired into the dash mounted washer button on the windshield wiper switch. To wire it with a toggle switch you would run the red wire to a toggle, then from the toggle to the fuse box and the black wire to a ground anywhere.

To wire it into the stock switch look at the picture I posted in post #5 above. You have to unplug the brown connector, put extensions on the red and black wires on the external pump that you have, with male spade terminals on the ends. Solder all splices and use some heat shrink tubing on them. Plug the red wire into the connector with the yellow wires and plug the black wire into the connector with the Dark Blue wire. With the key on the external pump should now work with the push button on the original wiper switch. The nice thing about doing it this way is that it already has a fuse in the circuit. I would wrap the connector with a piece of electrical tape.

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Last edited by LockDoc; 09-26-2018 at 11:04 PM.
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Old 09-26-2018, 10:25 PM   #12
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Re: windshield wiper pump

Brother, i appreciate your patience and quick response. I'm in Seattle n it's gonna get hazardous without this working. Thank ypu and God bless
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Old 09-26-2018, 10:59 PM   #13
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Re: windshield wiper pump

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Brother, i appreciate your patience and quick response. I'm in Seattle n it's gonna get hazardous without this working. Thank ypu and God bless

No problem. Let us know how it goes....

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