Can You Repair A Windshield Washer Pump On A 1985 Camaro

Topic: Windshield washer pump connections

in Forum: C3 Electrical

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Windshield washer pump connections (1/12)
four/8/15 v:23pm

I have a 1970 L46. Iam trying to become my windshield wiper pump to work,it has 2 weird connections that i cant observe any wires to connect to it.Can anybody aid with this ? They poke out of the plastic cover and they are curled around,i tried to upload a moving-picture show but i get a error bulletin??

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Re: Windshield washer pump connections (2/12)
4/8/fifteen x:08pm

click to update your profile pic Vman73
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Egon - just finished some work on the windshield washer pump on my "73, I think these are the wires your talking about.

In that location is a yellow wire coming from the lesser of the picture that connects to the washer pump, the blue wire goes out the other side and up towards the washer pump housing.

The wires have barrel blazon connectors, I've unplugged the yellow wire in this picture and then you can meet what the cease looks like.

Both of the wires come out of the principal harness, just underneath and to the passenger side of the windshield wiper motor. According to the wiring schematic the blue wire comes from the wiper/washer switch and the yellowish wire comes from the fuse block. Hopefully your wires are nonetheless there and only got tangled up in the harness somewhere.

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Re: Windshield washer pump connections (3/12)
iv/12/15 four:18pm

click to update your profile pic danascar
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Sort of same problem. Finally gave up getting original washer pump to work and bought universal mount pump for a 74. Which wire feeds power to the pump when switch is pushed in for the washers? Equally a side notation when testing wires equally soon as ignition switch is turned on both the yellowish and bluish wires in the above photograph get power, then I'grand guessing neither of these wires are the one I need to splice into to get power to universal pump from wiper switch.

|UPDATED|4/12/2015 1:xviii:42 PM (AZT)|/UPDATED|

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DanT

Re: Windshield washer pump connections (4/12)
4/12/15 viii:41pm

click to update your profile pic Vman73
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Dan, certainly no electrical expert on this end, but my guess was the yellow wire from the fuse cake would be 12v positve with the primal on and the blue wire is the switched basis from the wiper/washer switch. I disconnected both leads on my car and checked, no voltage either atomic number 82 with fundamental off, 12v at the yellow pb with key on and still zero on the blue. My approximate is if y'all have 12v at your blue wire with key on, you take a short somewhere downstream that is providing 12v to that wire. Looking at the schematic, the blue wire (they refer to it as DK BLU, nighttime blueish), goes from the washer to the switch then back to the wiper motor then to the black wiper motor basis. Assuming your wipers work okay, I would recollect the culprit may be a short in the wiper/washer switch. I believe Willcox Corvette has an online proceedure to bench exam the switch for both wiper and washer functions, that should confirm if your switch is functioning properly. Across that, I would continue to trace the dark blue (ground) side of the excursion back with a volt meter to discover out where the 12v short is occurring. Let me know if I can bank check anything else on my end to help you out.

|UPDATED|4/12/2015 5:41:35 PM (AZT)|/UPDATED|

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Re: Windshield washer pump connections (5/12)
4/thirteen/fifteen ix:29am

click to update your profile pic danascar
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Thank you for the info John! The only thing I can add right now it that when I turn on wipers so push switch in to activate the washer motor I do hear a click like the washer motor gets ability from the switch. So the washer motor is not getting power all the time, if that ways anything???

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Re: Windshield washer pump connections (6/12)
4/13/15 12:39pm

click to update your profile pic Adams' Apple
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Vman73 said: the blue wire is the switched ground from the wiper/washer switch.

That'due south the central statement......the wipers on these cars are controlled by the GROUND side of the excursion. The wiper motor should have 12v to information technology someday the key is on....the basis is provided by the wiper switch on the nuance, and that switch MUST be properly grounded for the wipers to work. A lot of folks have resorted to installing a split up ground to the switch housing to make sure it volition always have a proficient footing. 9 fourth dimension out of ten, if the upper dash panel has ever been removed, the screws were not put dorsum in the correct spot, and now the wiper switch has either a poor ground, or none at all. Ouch

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Re: Windshield washer pump connections (vii/12)
iv/13/15 1:33pm

click to update your profile pic danascar
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Adams' Apple tree said:

Vman73 said: the blue wire is the switched footing from the wiper/washer switch.

That's the fundamental statement......the wipers on these cars are controlled by the Footing side of the circuit. The wiper motor should have 12v to it anytime the key is on....the ground is provided by the wiper switch on the dash, and that switch MUST exist properly grounded for the wipers to work. A lot of folks accept resorted to installing a separate ground to the switch housing to make sure it will always take a practiced basis. 9 time out of ten, if the upper nuance console has e'er been removed, the screws were not put back in the correct spot, and now the wiper switch has either a poor basis, or none at all. Ouch

Does this as well apply to the washers too Joel? If so, am I going to have to install a divide switch for my
universal washer pump?

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Re: Windshield washer pump connections (8/12)
4/13/15 1:45pm

click to update your profile pic Vman73
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Dan, the click that you lot hear when yous push button the washer switch sounds correct, but having 12v at both the yellow and blue wires with fundamental on does not. +i on Joel's comment regarding switched ground. I wasn't sure if they used the switch mount upwardly in the nuance as ground or used the basis excursion back at the wiper motor. I would still bench test the switch, so run a split ground wire to the switch body and see if that makes the departure. Unless I'm missing something, you lot should be able to wire in your after market washer pump with the yellowish(+) and blue(-) and take it work with your existing switch. Let the states know how it works out.

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Re: Windshield washer pump connections (9/12)
four/13/fifteen v:58pm

click to update your profile pic Adams' Apple
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Vman73 said: you should be able to wire in your after market place washer pump with the yellowish(+) and blue(-) and have it work with your existing switch.

I think it should work like that, too. I retrieve the trouble of having 12v on both wires is the pump itself is not cycling, fifty-fifty tho the solenoid is boot in("click"). Once the solenoid kicks in, it volition hold that ground until the pump cycles completely, and the lilliputian arm comes around to click the solenoid ground terminal loose. Then it will release the ground. On the other style pump, all information technology needs is 12v, and a ground. It can be controlled either from 12v, OR the ground side. Using the original switch on the dash, y'all would run 12v(key ON only) to the pump, so the footing side would go to the blue wire at the wiper motor. Once you push button the "Wash" switch on the dash, it will ground the pump, and pump water. With this ready-upwardly, yous will accept to HOLD the switch down every bit long equally you wanted the washer pump to pump. Thumbs Up

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Re: Windshield washer pump connections (ten/12)
4/thirteen/15 6:31pm

click to update your profile pic danascar
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Thanks Joel Thumbs Up I knew if everyone had the answer, you would...what would we do without ya Exclamation

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DanT

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