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Registered:
February 2004
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ST162 headlight washer motor diagram needed
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Wed, 20 October 2004 09:58
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Hi, I need a diagram for the ST162 headlight washer motor. It was not standard on my car, someone else who I can't contact anymore did the install. Now the motor doesn't work anymore and I've got no idea how things are supposed to be hooked up!
Can anyone help me with a diagram? Or does anyone know how the motor is supposed to work (a white and blue wired connector sits on it)?
Thanks guys.
Just for reference, here's a pic of the headlight washers.
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Toymods Club Treasurer
Location:
Sydney
Registered:
May 2002
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Re: ST162 headlight washer motor diagram needed
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Thu, 21 October 2004 02:02
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Where did the kit come from?
Do the washers work as long as the button is pushed, or does it require a single presh & then the pump works on a timer?
I had factory headlight washers on an old Subaru I used to own.
It was wired up with a soft touch button on the dash & then had a timer which operated the pump for about 2 seconds.
Are you getting power to the pump when you push the button?
It could be a simple case of a plug coming undone.
Can you get a better description of what is (or not in this case) happening?
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Registered:
February 2004
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Re: ST162 headlight washer motor diagram needed
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Thu, 21 October 2004 07:51
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Thanks for offering help mate. It's a factory Toyota kit, but the pump and the relay w/ timer come from (I think) a Toyota Supra Mk3. The headlight washers are operated pressing the normal button for the windshield washers TWICE. It used to work like that, when pressed twice, the headlight AND windscreen washers are both triggered. I could not operate the headlight washers separately. So I'm assuming the function of pressing the normal button twice was already in that button. Well, under the dash, we found the two wires that operate the windshield wipers, and two new wires had been soldered to them. The normal, stock wires continue to the stock fuse box and probably set a relay somewhere. The new wires are led to the engine bay, and run to the relay w/ timer from the Supra. It has a 5 wire connector attached to it. Two of the wires are the ones coming from under the dash. The other three are a constant plus (+12V), 1 ground, 1 wire running to the actual pump (has to be switched to ground by the relay).
The pump has two wires connected: 1 constant plus (+12V) and the wiring coming from the relay. The two wires from under the dash have to set the relay. The weird thing is, you'd think that if you press the washer button twice, you'd see something else happen than when pressed once. We used a multimeter, but couldn't find a difference. One wire always has +12V on it, and drops to 0 if the button is pressed (doesn't matter if you press it once or twice), the other is a constant +12V...
Am I even right about the pump being ground-triggered?
Well. Any insight would be greatly appreciated 
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