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Old 02-15-2004, 01:16 PM   #1
BIGSKYWRX
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Default How to utilize the extra washer harness to wire IC switch

I purchased a dual pump wagon washer bottle and noticed there is already a harness there to plug into the second pump. How does one go about utilizing this wiring to hook up the IC (STi) switch?

I apologize in advance for my lack of electrical knowledge- as simply an explanation would be the best- pics a bonus

Thanks in advance.

Big Sky
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Old 02-15-2004, 02:10 PM   #2
Mike Licht
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Anyone got a part number for the bottle?
Thanks
Mike
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Old 02-15-2004, 02:34 PM   #3
wms291
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You need to tap into two wires in the steering column. I'm at work otherwise I would look to see what color they are as I don't remember. I just spliced into the wires and wired up the switch. I would check out a junk yard for the resevoir.
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Old 02-15-2004, 02:50 PM   #4
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I just tapped the bottle in the sedan. There is a spot for it next to the other pump. Then you just need to buy the pump. You could get one from the dealer but I got mine at pep-boys for 12 bucks. It comes with a rubber washer. I just used that with a bit of expoxy and it hasn't leaked yet in 6 months.


-Fess
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Old 02-15-2004, 08:46 PM   #5
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I have the lower switch pictured (manual):



The two wires at the spare harness at the washer are blue w/ a black stripe and white w/ green stripe. These end up in the steering cloumn- makes sense.

How do these wires figure into the above diagram? Where do they go on the switch? What other wires need to go to the switch?

Electrically challanged.

Big Sky
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Old 02-21-2004, 12:15 PM   #6
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Bump
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Old 02-21-2004, 12:53 PM   #7
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BIGSKY - Just to note, that diagram is dated, at least for the auto switch. 2 of the wires have changed in the newer auto switch. Not sure about the manual.

It looks like the manual switch uses a ground-switch system much like the headlights. I would use a voltimeter to test the "ground" and "manual trigger" while switched and unswitched just to make sure.
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Old 02-21-2004, 01:32 PM   #8
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Thanks for the tip, I'll check (actually my buddy, who is not eletrically challegened like myself, will).

Big Sky
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Old 02-22-2004, 01:30 PM   #9
awdman
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Default BIG SKY

Can you post your results on this test? I have a USDM STi
switch coming next week... I read on here somewhere that the blue wire with black stripe is for +
Illumination can be tapped off the cruise switch.
That leaves the ground.
That was my original plan anyway. Unless your test results dictate otherwise... Thanks Kent
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Old 02-22-2004, 04:20 PM   #10
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Default Re: BIG SKY

Quote:
Originally posted by awdman
Can you post your results on this test? I have a USDM STi
switch coming next week... I read on here somewhere that the blue wire with black stripe is for +
Illumination can be tapped off the cruise switch.
That leaves the ground.
That was my original plan anyway. Unless your test results dictate otherwise... Thanks Kent
If I get everything figured out, I'll put a tutorial in @ scoobymods w/ photos. I'll have a buddy who has some electrical background (I've got nill) so I'm hoping we can get it.

If the blue w/ black is +, would the white w/ green = - or would that wire not be used? Would the + equate to the spot where it is manual trigger?

Thanks for the tip on the illumination.

Also I found some little (tiny) spades (female) that fit on the switch- found them at a Chevy dealership .

TIA

Mike
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Old 02-22-2004, 06:26 PM   #11
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Default Unknown...

I read a thread on Scoobymods about headlight washers, and that guy used the blue wire to power his pump. Ground is a mystery. Also he didn't use an IC switch, just some cheap store rocker type.
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Old 02-22-2004, 10:58 PM   #12
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I'm hoping to give this a go this week, so I'll keep you posted.

Big Sky
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Old 02-25-2004, 10:51 AM   #13
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Talking

Sprayer in and working- story at 11:00!
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Old 02-25-2004, 12:41 PM   #14
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OK it's like 12:40 now...Patience is not my forte...
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Old 02-25-2004, 12:46 PM   #15
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Quote:
Originally posted by BIGSKYWRX
Sprayer in and working- story at 11:00!
OK....damn it GIVE with the goods!!!!

I have everythig set up and ready to install this on my car and I need the 411 on it......
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Old 02-25-2004, 03:23 PM   #16
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I meant 11 PM . I'll do a proper tutrial w/ pic this evening and provide link.

The down and dirty is we spliced into the yellow/black wire on the washer pump- (constant power) w/ the blue/black wire. We then cut the white/green wire and added wire to it and ran into the cabin (through the grommet on the floor)- this wire goes to the manual trigger spade (diagram above). We spliced into the violet wire on the crusie control and connected it to the spade labeled (approiately) violet illumination. We then added to ground wires and grounded them in a common location, these were run to spade labeled ground and spade labeled yellow/green (illumination).

Bottom line this was the easiest method- I found the blue/black wire at the stalk of the steering wheel- the white/green was not there. Trying to find these wires elsewhere proved fruitless and this was fairly painless.

The button lights up (like the other ones) w/ the lights on. Just press the button and spray to your hearts content (or until you run out of water).

Make sure the nozzle is facing the right direction- on a test run I got it right in the face .

I'll get back when I get the tutorial written up.
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Old 02-25-2004, 03:44 PM   #17
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Nice to know, awaiting a writeup
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Old 02-25-2004, 09:47 PM   #18
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tutorial here:

http://www.clubwrx.net/forums/showth...threadid=53864

Will get it up on scoobymods as well.

Big Sky
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Old 02-26-2004, 01:17 AM   #19
NeoteriX
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A lot of the instructions for the IC sprayer use an inline fuse... Any reason why you elected not to include one?

Also, I've seen instructions using the Subaru IC switch that use a relay, and noticed you didn't include one?

Thanks in advance
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Old 02-26-2004, 09:52 AM   #20
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I'm posing that question to my buddy, fuse sounds like a good idea.
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Old 02-26-2004, 09:12 PM   #21
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My buddy's relpy:

Donít need to wire in a relay because the switch can handle the power. Donít need to fuse anything because A. we are switching ground to the motor not power. And B. The 2 places we tapped in for power (cruise control switch purple wire for illumination and yellow/black wire from the original pump power to the new pump) are both 3-4Ē long and are fused through the factor harness.

I'm guessing that utilizing a relay and/or fuse could be done, but may not be needed.

Big Sky
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Old 02-26-2004, 11:05 PM   #22
awdman
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Default Thanks!

For the tutorial and great pics...
I think the relay is more for the cars which use a 20 second spray and then turn off, not the manual switches like we used.
Big props to BIGSKY and his electrical wizard!
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Old 02-26-2004, 11:14 PM   #23
BIGSKYWRX
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More than welcome.

On a side note, subaruparts.com- sells the 2nd motor and rubber grommet seperately for ~ $20, there is room for the 2nd pump in our sedan washer bottles.

Big Sky
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Old 02-27-2004, 02:02 PM   #24
awdman
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Default Good news/Bad news

To anyone considering this mod!
I have made a startling discovery! The white/green wire for the #2 pump on the wagon is the 12V wire. It is already hooked up as such, even on sedans!
There is no need to hack the wires in the engine bay! My apologies to Big Sky, it only became warm enough to trace wires today.
So, simply hook up the white/green wire to + on your I.C. pump. Hook up the blue/black wire to the other terminal on your I.C. pump, then trace the blue/black wire from the wiper stalk. Cut this wire and pull enough out to run an extension of 18 inches or to whereever your switch will be. Hook up the blue/black to the
manual trigger spade on the switch.
Illumination is unchanged and so is the ground instructions per Big Sky.
You do not have to run a new wire from the pump to the switch, it is already there!
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Old 02-27-2004, 02:49 PM   #25
BIGSKYWRX
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Default Re: Good news/Bad news

Quote:
Originally posted by awdman
To anyone considering this mod!
I have made a startling discovery! The white/green wire for the #2 pump on the wagon is the 12V wire. It is already hooked up as such, even on sedans!
There is no need to hack the wires in the engine bay! My apologies to Big Sky, it only became warm enough to trace wires today.
So, simply hook up the white/green wire to + on your I.C. pump. Hook up the blue/black wire to the other terminal on your I.C. pump, then trace the blue/black wire from the wiper stalk. Cut this wire and pull enough out to run an extension of 18 inches or to whereever your switch will be. Hook up the blue/black to the
manual trigger spade on the switch.
Illumination is unchanged and so is the ground instructions per Big Sky.
You do not have to run a new wire from the pump to the switch, it is already there!
No aplogies needed- this is how things get figured out. That makes even easier yet. So your saying you can simply plug in the 2nd connector as is (on a oem type pump)? Then connect the blue/black wire (which I did find, but never the white/green-probably because it's the power source) to the trigger position? That is easy!

Good job!

Mike
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