How to Wire a Power Window Relay
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- Опубликовано: 1 окт 2024
- How to Wire a Power Window Relay
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Power windows have been around for years. For this reason, power window vehicles are still up and running especially in places with low humidity where rust is not an issue. A power window system uses a DC motor to actuate the glass and open the door windows. The DC motor works in the nominal 2 to 5 Amp current range. For this reason, a relay has almost always been used to control the motor.
The basic motor operation is done by reversing the polarity of it's power and ground input. It is here where a properly connected window motor makes the whole arrangement worthwhile and stable. Although window motors come in various sizes, their nominal electric current range may go as high as 6 Amps, with peak voltages as much as 12 Amps if extreme resistance is found. Relays can deliver up to 40 Amps of power making them the best real world choice. Transistors have been used in the past and even on some new models, but they eventually falter and leave the driver to eat up the cost of replacement. This circuit connection is very useful due to the fact that many older vehicles can be re-wired using original or aftermarket parts, keeping the windows operational.
Here is how the window motor circuit works:
12 volt power is fed from the fuse to terminal 87 of the relay. This terminal then becomes the power input. Power is also fed to terminal 85 of the relay coil on both relays. Terminal 87A is connected directly to ground, so this terminal becomes the chassis ground input. Then, terminal 30 is wired directly to the window motor relay. Each relay feeds ......
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Somewhere somehow you need to download the plans for the switch you have. Otherwise you need to figure out what the pins are for. Each switch is different...
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Sure
Hello, I have fitted a sunroof in my van and have brought a 6 pin rocker switch, will this diagram work with my sunroof, will I need 2 of the 5 pin relays
Thanks
Yeah, it's same circuit.
does anyone one remember the aftermarket electric window system Harbor Freight use to sell, that you just removed the window crank handle and slid the box on and mounted it to you door panel? I have a nephew that had part of his left hand and arm taken off in an explosion. I'm trying to find him one of these motor boxes to help him with the window. It's a tad tough when he pulls up to any place he has to roll down the window. H.F. don't carry this box now, I was hoping someone new of another manufacturer that may produce this type add-on. He lives 300+ miles from me so I probably can't be there to install it. This is the easiest route I can think of, that he may be able to install. Any info will be greatly appreciated....Thanks P.C.
Don't know it. But interesting.
hi.. can any one tell me how to install a second window swith to this.. ive done it in the past but forgot.. now i cant figure it out thanks
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I dont get it if terminal 87 receives power from terminal 30 attatching terminal 87 to ground doesnt that cause a short somewhere?
No
Yes, a lot of these circuits can be used in part or as a whole to understand and diagnose today's vehicles. The idea is to show simplified versions that you can use now. In the even that manufacturers add other components such as transistors and diodes and a PC board it doesn't matter, the principle is the same. THanks for posting...
Good question, but you're better off wiring this circuit separately. There's a way to do this with only two relays, but it is a nightmare and not reliable. So if you have 4 windows you need 8 relays or 4 of this circuit. Good luck and follow the diagram and you'd be fine...Thanks for posting.
Yes, the numbers are there purely for convention. The location is important because the wiring diagram is also linked in some way to the real world. But in actuality, if you knopw what you're doing then yes you can invert term 87 and 30. Good luck...
Great video. Thanks for sharing. 👍
I'm changing the manual crank window with factor power window, this video helps me understand how to wire my project, thanks.
Great
Hi, well as shown on the video all you do is invert the polarity to make the motor turn the opposite way. That's exactly what these relays do, they invert the polarity. You may have to watch the video a few times to understand the concept, most of the students that I've taught do. Does that make sense? Which part of the video didn't you understand? Let us know and thanks for posting.
The strange thing is that now maker still use this relay arrangement, but the relays are soldered into the PC-Boards. The principle is the same and manufacturers are still sticking to relays on many applications. The use of solid state is also increasing, but it's not as reliable for motor and actuators. Injectors are different since they're activated for briefs periods of time as opposed the motors and high current devices.
ADPTraining Ford, vehicles have " safety " crush blocks built into the gear train of the motors in case some idiot gets their head or arm caught in the window as its going up..... or if some idiot keeps pressing the up or down switch after it has reached its end travel. I replaced the entire wiring using a remote fob, 2 40 A relays wired the same as your schematic, but i bought an arduino micro controller board for 3 bucks, a hall effect current detector, and added the circuit to the controlls when the rear glass reaches its ends the current exceeds 6 A and turns off the control to the 40A relay coil no more rebuild kits at $20 or $38 for the entire motor... it took me a couple hours to build the circuit, and write the code, but i wont have to disassemble the unit again
No, auto-up doesn't work with this circuit. Auto-Up or Down works with a small computer/module that reads the motor ripple as it is working. This is a more complicated circuit and defies the purpose of this circuit which is to give you power windows if you have none or can't find the parts anymore. Thanks.
No, it has nothing to do with that. The motor generates some ripple or slight variations on the voltage. Alternators and generators also do this. In modern Body control modules, this ripple is used to sense and diagnose the windows motors or other motors. These motors draw between 6 to 15 Amps, not 40 Amps. They do have resistance and the resistance does not drop.
So I have a 2000 Dakota standard cab, by design the power windows only work when the ignition is in the ON position, I would like to make them work with the key in the accessory position. any suggestions? TIA.
Sure, change the power feed from ON to ACC. Simple.
Winches use same arrangement
Thangs
My car powerwimdow.module.bord. Complint. Throw.weist... This model rely. Conect.Now my worksucsess.. Thangs.
Say in theory would it be possible to wire a winch system that utilizes the quad switch or the master switch to operate the 4 motorized small winch same as the 4 windows. So there for if you turn the master switch on it would over ride the 4 motors and all 4 would operate simultaneously and then turn it off would give you independent control of 1234 correct 🤔🧐✍️🤔. So there for if you wire 4 sets of the quad switch you would have control of 16 mini winch system with a master switch right 🤔🧐✍️🤔🤔✍️✍️🤔🤔😱😀😎✅
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Hi Mujhe bataye ki motor ka switch on karke Pakda to be limit Ke Paas Aake stop stop hona chahiye reverse aana chahiye
Viseki car power window hum on karke pakde to end hone ke baad motor stop Ho Jati Hai please aap Aisa ek video bana dijiye
OK, good question, actually really good. Older vehicles had a cheap timer, similar to a flasher with a thermal contact or without. Newer systems are different. The windows module detect the inductive humps or loads every time the motor windings rotate. The moment the window reaches the top, no more inductive totational kicks (called inductive load) and the module deactivates the relay. It uses the same basic circuit above, relays are computer controlled.
Can this circuit be used with two switches? A passenger switch on the drivers side and a switch on the passenger side? I'm struggling to find a wiring diagram to finish my electric window conversion as the diagram I was sent is totally wrong 🙄
Maybe, try it.
Hello. Really appreciate if u can help me out. My car have two power windows. Driver(mainswitch) and pasanger. When i separately move up and down the windows, both working fine and fast. But, if move both spontaneously, the pasanger window will move slow. May i know what is the problem, and how can i fix that. Mitsubishi Lancer Coupe '95
Looks like a ground issue. Not enough current. www.autodiagnosticsandpublishing.com/Automotive_Diagnostic_Repair_Book_Catalog.htm
Thanks for the video ,Subscribed !Very well explained and clear .I see that yoU have replied in assistance to comments from 9 years ago to as recently as 6 months ,so hopefully you can share some light on what I am trying to connect unsuccessfuly after a few attempts with relays etc..Its also something that no one seems to have asked !
Here goes....I have a car thar only has a electric window switch on drivers and passenger sides and I a trying to fit a second passenger side switch on drivers side .Basically I want a swicth paralel ,I think!
I have passed the 2 motor wires from passenger to drivers side and connected it to an identical OE switch as the passengers side .Both switches are identical and simplle wiring.They have 4 pins for GROUND -+12v and 2 middle pins for the motor .These 2 pins have ground all the time and when the switch is pressed ,power is sent to the activate the motor up or down when current is inverted.
This switch works perfectly but only if the switch on the passenger side is disconnecte!If both switches are connected ,this doesnt work and the wires to the motor pins heat up .However ,the passenger switch works .I am going to try your set up on this video ,see if works .Any help would be appreciated .,many thanks and keep up the excelente videos .Cheers
can you please show how to wire a power window so that I dont have to turn the key on to operate it. What I mean is power should be at the window switch all the time and not turned ON by the ignition switch. Thanks.
and then the theft figured it out that he can put down any window in your car with no key.... half an hour later you are calling the cops coz your car aint at the parking lot dumb
go to an autopart store and buy a test lamp 12V with the ignition on test all the cables in your switch box driver side door panel, the one light up the test lamp follow it and cut it when you see it inside the car, search for a constant 12V wire or just re-wire one from your + battery terminal and connect it to the one from the switch box and nw you can roll up and down all the windows without a key but as i said before its under your risk
My 2001 S-10 is a piece of crap, and only 72,000. I have asked my Senators to get a law passed that all vehicle sold in the USA must be fixed up to 100,000 miles.
Get the book on Amazon, keyword "Mandy Concepcion, Author"... Good luck...
Hi
What I mean is, in car power window switch we have a button called auto when I press that button once window glass goes up, I don't need to hold the button, that's why it is called auto. The windows glass goes all the way to top and stop when it reached the end
sivaraj palanisamy that is the computer that controlls the inside of the car functions, there is a senser that tells the computer to turn it off
would this substitute a window amp?
If just the listed items are in the book, then what I need isn't in there. I'm trying to hook up a 5 pin SWITCH. Its not just a relay. The terminals are numbered 1 through 5.
Damien Nicholas just what car are you talking about, on my 1987 bronco, the tailgate window has no relays it has 5 contacts on the switch and what is done with the relays in the schematic, of this video, is done mechanically in the switch it self with out relays, but the circuit as far as controlling the motor is identical.
What kind of switch can I use to run the motor continuous? I want to be able to reverse it too, Are you using 2 relays in the above explanation? Can I also run a pot to the circuit to control the speed?
I want to power the lead screw of a metal lathe with a power window motor, using a battery charger as a power supply.
Would a 121 volt battery charger, with 2 am output be enough to power the motor?
Can you e mail a wiring diagram to me. Could I just use 2 regular relays from a parts store?
ant30dio at yahoo dot com.
Thank you.
anthony diodati NO YOU CAN'T USE A POT TO CONTROL THE SPEED, you need a PWM controler for that. FROM YOUR QUESTION it is obvious that you can not read a schematic if you could, you would recognize the two relays, that controlls the motor the manual switch chooses which relay is energised, thus selecting the direction of the motor.... do you really want your window to continuously go up and down? The motor will not last very long nor will the battery.
You could accomplish what you want to do, but dont use a battery charger alone to drive your circuit typlically they have more ripple that would have a bad effect on your project. It seems at this point, you do not have the background knowledge in electronics to be successful with the project that you propose. Learn some basic electronics and your project will be simple for you.
Please, explain exactly what you mean... Love to help you out...
Thank you for the video! Very knowledgeable... I’m here in comments to ask kindly for guidance...
Hello my fellow car enthusiast friends :)
I’m diagnosing an issue with the passenger side window on my 2014 corolla, as well as the master panel on the driver side. The master panel only rolls down the driver window? It’s almost as if the window lock is stuck on, but as I sat in each seat and operated each switch individually, they all roll down, EXCEPT for the front passenger side...
As of now, I’ve tested power to the master panel, it has power to all 4 switches (2front 2rear) all the switches are good... I’ve tested power (using multimeter as well as test light) to passenger side switch, as well as up and down operation. The new switch is good. Also tested motor making sure power comes from switch to the motor, new motor is all good. But window still won’t operate? Sooo I tested for good ground, and again no ground issues...
Annnd sooo I ran a quick wire straight from my battery to the window motor, and it rolled my window up, yay :) I’m sure if I reverse polarity it’ll roll back down.
So again, everything is good, so why won’t it work?This is not a riddle. May I please ask my fellow car enthusiasts for some advice? Input?
I appreciate your time very much and if you have any questions as well, I’m moderately knowledgeable in some areas so feel free to ask and I’d be happy to help you out as well.
Thank you everybody, thanks for your time, take care out there my friends God bless and be safe.
Will think about this
Hi!
I just wanna ask ... Is it OK to wire the relay in different terminals? like wiring the output to terminal 87 instead of 30. So instead of passing the circuit from 87 to 30, i will be passing it from 30 to 87, Thanks in advance...
Hello, great video. Is it possible to incorporate limit switches into this schematic that could be used to sense when to turn off power to the motor when in the full up or down position? I'd like to use this circuit to automate the raising and lowering of a screen on deck. Thanks.
Choose the Arduino Projects.
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we have a 2002 Ford Thunderbird that has a problem with the driver's side power window. We just replaced the window motor, regulator, and switch, but the window goes only up. It went only down before the motor was replaced. The mechanic has decided it is a relay problem but does not know where the relays are located. Can you give us an idea?
Ann Breedlove you probably wired the kotor backwards, first. To trouble shoot the circuit use a volt meter to make sure the motor is getting power in one switch position, and not the other . Then have someone hold the switch in the position that the window doesn't work in use the volt meter to track which side of the motor isnt getting the power, track it back to the relays, or controller, you likely have a bad relay
how would you wire a 5 pin window switch with numbered terminals to the motor?
I have a problem with my rear passenger power window intermittently works on its own and doesn't stay shut whilst the car is running then for months behaves normally how do I diagnose the problem
Helen Saunders What are you driving? Year make and model and I'll try to help you out.
hi, do you have any videos, that uses auto power up or auto power down relay circuit.
sivaraj palanisamy It's done by the interior computer
I have put in my 2007 corsa electric windows because it was mechanical and I want to connect relay. Do you tell me to tell
How can i connect it? Please, help.
have question for you I have central lock along side window rollup module so when I lock the central triggers window do they rollup now I want roll down using another rollup module to roll down is it possible keeping rollup module
What happens if you have auto up, so that the switch has two more positions. You then have the possibility of two +12v coming from both sides of the switch which could cause both relays to trip at the same time and give out two positives to the motor and no negative?
Switch positions:
up +12v and 0v
up again +12 and +12v
down 0v and +12v
down again +12 and +12v
Out
Cosmetiless uk NOPE! THAT IS NOT THE WAY THAT IT WORKS! THERE IS A LOT MORE TO THE AUTO CIRCUITS typically there is a microcontroller circuit involved and still only two relays
hi there is it 2 relays for each side of the windows so I will need one for the up and one for the down as looking to but electric back windows in my car thanks
Yes it is, 2 relays per side or per window motor.
what type of power window relay can be used on a 1963 studebaker avanti?
Jeff Halpern a relay is nothing more than a simple switch that is controlled by a coil, which allows remote operation.
This video is a big releif for us yearning more knowledge about car electronic! Thanks a lot!
Could I use a DPDT signal relay for seat where it's a 8 way seat? Otherwise I'll need 16 relays per side. Thanks Shawn
battery + wire is ok. but where is the battery - wire?
There
Great video, thumbs up
what about stop end detection? current limiter
Yes
How to connect the left 5 pin to the right 5 pin whit relay power window
How to wiring Power windows Whit a 5 switch from Left + Right how to wiring??
Can U put this on the net so we can copy it? Mine works then stops. Acts like an overload. Why does the actuator have the spring on power windows. Can we remove it to lower the load? Rex Thanks for spell ck now how do we add it to hotmail = outlook?
Rex Bahr it is on the "net", its on youtube what do you need a copy of? If its the schematic, just take a screen capture. If you want a 100k warranty, just buy one, if you get one from the dealer or manufacturer, its just going to cost more to buy up front. I have a warranty on my Mustang thats good to 123k miles, i bought it from my local ford dealer... and its a ford warranty. Please leave the government out of it, it would cost you 20 times as much and they would just fuck it up just look at obamacare, it has fucked up all medical in the US!
Rex Bahr both hotmail, and outlook are parts of email services try thinking about what you want to accomplish and stop asking others to do your thinking for you, your entire world will change.
thats good in old schooll what about now?
pxmstr a good electronic design will work forever, now there is a computer involved... which is not always better.
This will help with current model diagnostics. Thanks
i need to know about to get the clips that is on the panel of door
robbin brown best bet is ask a dealer
like, español please me no specking english.
What is that tell the engine that the glass is lifted or lowered maximum? What is it that stops the motor ?
can we adjust it ?
serge garneau in most newer cars there is an Interior control module that detects the end travel of the windows and turns off the power to the window motor through the relay, or what ever switching system that they employ for control of the window motor. Normally, there aren't any adjustments, but if its not completing its travel the window regulator (the mechanical part that raises and lowers the window) might need cleaning or lubricating, or replacing.
Worked for convertible top to
Cool
where they.put the relay in a car...
so how does the switch itself have to be grounded?
NO. In this setup the only grounds are at the relays.
Thanks for the video. I needed to figure out how to change direction of my motor for a power cart I'm working on. This let me do it with two relays, not the four I figured out before. Thanks
hi how the motor reverses how it flip and flops
Jagadeesha Patil By reversing the polarity of the motor
why is the voiceover guy drunk?
Espen Løken roflmao... he sounds British, with a VERY stiff upper lip as they say, i never knew exactly what the term meant but it seems to apply here. Nothing bad meant, just poking some fun.....
how strong is a power window motor??
Strong enough to lift a window.
Just rewired my truck with just two switches located in a more central location and all the relays located under the dash. Much better and faster windows and only 2 wires going in and out of the doors.
Hawk 1911 a little help trying same
What year & model truck? My 2001 S-10 is a piece of crap, and only 72,000. I have asked my Senators to get a law passed that all vehicle sold in the USA must be fixed up to 100,000 miles.
hello ADP
may i ask..how to make the motor to turn from clockwise to anticlockwise vice versa?
Is there any circuit for it that u can show?
And is this power window is using 5amps?
Ilman Latif reversing the direction of the motor in this circuit is done with the relays most power window motors draw from 2 to 5 Amps at 12 VDC.
Is this the same for the relays with 87a?
Hey what is a good wire gauge to use ? Thanks for the video.
Mikeybear vapes Probably 18 Gauge. 20 is also fine for low to mid current values.
Ok thanks
Gee, at least get rid of the echo, it is terrable. Your content is great, and accurate,
Thanks
Dreadful video