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snow plow wiring
Ridetoslide,
The hydraulic pump is powered by the battery on your machine. There is a positive wire and a negative wire.
One wire goes to the power side of the switch, then to the positive terminal on your battery......usually the red wire. The other wire goes back to the ground.
It's super-easy to wire. You'll want to run the power wire first through a fuse, then to a switch, then out to the pump. The ground wire goes straight back to the machine's ground connection.
If you want to get a bit more fussy with this, you can tap into the accessory power wire on your ignition switch (I'd go this route), so as to prevent the plow from operating when the ignition key is off.
If you could provide us with the wire colors, we'll be able to help you. There is no need to have a wiring diagram.
Hope this helps.
Joel
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snow plow wiring
Ridetoslide,
It sounds to me as though you have a bi-directional pump. In other words, fluid will flow out of of the pump in either clockwise or counter-clockwise pump rotation.
When the pump rotation changes direction, the fluid flows out from the other port. (out the "up" port in one direction......out the "down" port when spinning the opposite direction)
This is a very simple electrical circuit. You'll need a double pole - double throw switch. It is abbrevitated as DPDT.
For outdoor use, I highly suggest a good marine grade switch. They're a bit more expensive, but they sure are worth the investment. A marine grade switch will provide you with (not entirely waterproof) weather resistant operation. Rain, snow, dew, car washes.....these things will kill a cheap switch. Get yourself a good DPDT switch. I prefer the switches made by Blue Sea. (See Ebay Item Number: 190468904491)
You'll want a momentary switch. That is......when you press the switch to raise the plow, you'll be able to let off the switch to stop it. When you go to lower the plow, you'll depress the switch in the other direction until you've lowered the plow to the desired height, then simply let off the switch to kill the power. There is no power to the pump unless you have depressed the switch in one direction or the other........and only for as long as you depress the switch.
The switch I listed above will handle 20 amps of 12 volt DC power. That should be more than enough to run your little pump. Just be sure to use a heavier gauge wire to power your pump. Smaller gauge wires may not be able to handle the current. My wire chart suggests 16 gauge wire for a 20 Amp DC circuit......unless the run is especially long. If you go over 20 feet in length, use 14 gauge wire.
You'll want to use stranded wire for flexibility reasons.....allowing you to route it and bend it to follow the plow frame....etc.
Please see the wiring schematic I posted below. That will get you going.
If you have any further questions, please stop in again.
Joel
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snow plow wiring
Ridetoslide,
You probably have a pump that looks similar to the one I posted in the link below.
If it looks like yours, you're all set with the information I provided above.
Joel
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snow plow wiring
Ridetoslide,
Ok...the picture you posted shows a much larger pump than I thought it would have had. I don't believe a switch, by itself, will handle the current your pump motor will draw. You're going to need a relay.
Click on the link below. You'll see a set of reversing relays, contained in a housing, with a remote control attached to it. The relay assembly allows for current draw of up to 200 amps.
If that remote will work for you, you'll have a very easy job of providing power to the relay.
This might be a better choice for your application, and for only about 75 bucks to your door.
Joel
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snow plow wiring
Ridetoslide,
I'd really like to have the model number from the pump assembly. If I can come up with a match, I'll be able to provide a lot more information.
It's possible that you have a reversing solenoid on that pump......I just can't tell from the picture. If you have a reversing solenoid, we'll need to start all over on this project.
Joel
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snow plow wiring
Ridetoslide,
Yes.....Surplus Center is a very good company. It's hard to beat their prices, too.
I'm very curious to know more about that pump of yours. Maybe a close-up picture of just the pump.....or even a few pictures of it......that would be great.
We'll get this done.....I promise.
Joel
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snow plow wiring
Ridetoslide,
Thanks for stopping back. I was wondering how things turned out for you. Sorry to hear you're still having problems. I'll see if I can help.
Common......think of that as a ground connection. Fasten that wire to a ground point.
The other two wires are for Direct Current power (DC). One is hot, the other is neutral. That will make the motor turn in one direction. Switch the polarities on those two wires......make the neutral hot and the hot neutral......the motor now spins in the opposite direction.
Your relays are in the circuit for only one purpose. The current draw by the motor is too much for the switch to handle. Your switch, therefore, is only for powering the coils on the relays.
I'm not sure how your switch is labeled. Do you have an 'up' and 'down' switch? Maybe you have two switches?
You can wire the switches to reverse by simply changing the wires. If, for example, you want to raise the blade but the blade goes down, just switch the wires around.
I have a Lorenz snowblower with a DC reversing motor on the chute. It works under the same principle. Lorenz has a nice wiring diagram on their website. I'll post a link to it below.
Maybe this wiring diagram will help you.
After clicking on the link below, scroll down to Page 2. You'll see a very nice schematic there.
Hope this helps.
Joel
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