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Thanks for sharing that tip, Its helpful when technicians share knowledge, not only do you help better others, but you become much better person, and teacher. Not to mention the prospects of being a you-tube star ;)
The tool he is using is called a Power Probe. It looks like the Power Probe III. It has a voltage display, but it is not a multimeter. It is a great tool and there are videos on youtube that detail it's operation.
Without knowing the details of the relay or without a wiring diagram, you won't. But just for your info most of the relays out there use a DIN standard numbering system. For example, for a 5-pin ISO relay which is very common, pins 86 and 85 are for the coil (86 is + and 85 is -), 30 is the common, 87 is the NO contact and 87a is the NC contact. You could use a voltmeter and observe your readings, but without a diagram you wouldn't know their function.
Someone commented to me that this does not test the relay itself, but only indicates that the receptacle that the relay pins plug into is getting voltage, because the wire that you're touching with the probe is carrying current from that female receptacle, which would allow the current to travel to your probe, just the same as if the relay weren't there at all, and the wires were stuck down into the receptacles. If this is a mistaken conclusion, would you please explain how that is so.
Simple but effective idea, Thank-you for uploading this video. If you have replaced bulbs on a headlight when the low beam is not working and you have changed the fuse and it's still not working and the fuse relay is good. Any ideas what the next check would be. Hello, from Glasgow
Simple relays have a field positive, field negative and power to load. Jack Morgan, if you want to repair your own car, buy some tools instead of being derrogatory. What he is using is called a Power Probe. You need one to test for continuity, power, ground and to power a circuit. You need a multimeter to do many other tests, but you need to spend a few bucks. The multimeter is the least expensive, but can get up there in price for pro user models or for long term dependabliity.
How are you sir,I love your videos.my problem is a relay issue,I swapped out relays to engage my a/c clutch to no avail.I have dtc po645 on a 95 dodge stratus 2.5 v6 a/c clutch relay conrrol circuit,my question is,does my a/c clutch have a my compressor have a relay within itself? Or not.hope to hear from you thank you
Been doing that for power cables if no plug. Jam wires in socket and put plug on top. Never thought about using it for this though, so thanks. Now why is there three ground and one positive though? Was under impression low current passes through one side of relay creating magnetic force to put switch across enabling high current on other side to connect. Please answer me as new to this stuff.
Sounds like it's time for a wiring diagram. Check out alldata. The battery is what turns on the relay. Nope, the amperage from the battery isn't too high. The relay will only draw the amount of current it needs from the battery unless of course you wire it wrong and then you'll get a different story.
![How To Test and Diagnose Relays and Wiring [4 & 5 Pin]](http://i.ytimg.com/vi/S-DwV0HLsE4/mqdefault.jpg)
![How To Test and Diagnose Relays and Wiring [4 & 5 Pin]](/img/tr.png)
What a great guy explaining a tricky thing in a simple way. A+.
Excellent, There are parts replacers and mechanics, you are a true mechanic. A+
This guy is Genius! I fixed a power steering leak by a simple o-ring change! Great advice thank you 😊!!
WOW YOU DID THAT BYE YOURSELF CONGRATS
Thank you for very clear well spoken and right to the point information VIDEO. Job well done.
Thanks for sharing that tip, Its helpful when technicians share knowledge, not only do you help better others, but you become much better person, and teacher. Not to mention the prospects of being a you-tube star ;)
MythTracker l
MythTracker should
Thank you, your videos are the best and I just saw 2 so far!!! Thanks again very helpful material.
Sir, You really make many people's lives easier and happier with your video.Thank You so much and God bless You! Miguel, Puerto Rico
I have a great deal of respect for your knowledge base and even more for sharing your experience with others. A++++ : )
You are a creative guy. Thanks for sharing your idea.
Best help video so far on you tube I've seen.
This is one of the best videos by far!
I found that wiring videos I watched were very helpful because it made me think to look in other places for my taillights problems.
***** Awesome TIP - I look forward for next great tip.
Springfield,VA.
TY So Very Much One Of Thee Smartest tricks I Have Ever Seen Yet!
great video, Im going to try it on my Benzy. thanks !!!
Thank You for that awesome bit of knowledge!
Thank you. Very inventive. Appreciate the tip.
U are.. so simple and easy at explaining things.. wicked!
Ingenious and simple! Great!
one word…..BRILLIANT !!!!!
The tool he is using is called a Power Probe. It looks like the Power Probe III. It has a voltage display, but it is not a multimeter. It is a great tool and there are videos on youtube that detail it's operation.
I was waiting for somebody to use the power probe 3 two tests relays thank you
Thank you for sharing your tips. That was a cool one.
Fantastic, exactly what I needed to know, thanks!
Very good information- learned something new -Thank You
That was an excellent bit of information. Thanks!
excellent way to test the relay, good job..and thanks.
Thank you so much for this!!!!
I love smart people with creative brains.
great tip thank you, YOU are greatly appreciated.
Ingenious. Thanks for that tip.
That is pretty freaking smart. Thank you
I've got issues going on and I can't be sure relays ain't the problem. So I'll put this to use. Thanks
I love little tricks of the trade like this knowledge is built up in many years very very good
Thank you Sir, you are a "Relay Ninja".
Wow,thats experience....
Nice video👍👍
"You can replace sugar with Saccharin, and Saccharin with Sweet & Low, but you can't replace Experience!" Thanks for the idea. 👍👍
Thank you for your kind comments, you have brightened my day
Without knowing the details of the relay or without a wiring diagram, you won't. But just for your info most of the relays out there use a DIN standard numbering system. For example, for a 5-pin ISO relay which is very common, pins 86 and 85 are for the coil (86 is + and 85 is -), 30 is the common, 87 is the NO contact and 87a is the NC contact. You could use a voltmeter and observe your readings, but without a diagram you wouldn't know their function.
So so well explained
Thank you
Very much
I always test the relay with a battery, listen to the click sound and remove the cover to inspect contact points and for signs of rust and corrosion
Sounds real simple, thanks I will try it,,,
Excellent method. Thanks.
thanks for ur video,one of the best
Nice.
I think it will be helpful when i'll be able to locate the relay box somewhere in my Peugeot.
A 2004 Peugeot, by the way.
awesome way to test a relay.
Awesome ,greetings from algeria
Someone commented to me that this does not test the relay itself, but only indicates that the receptacle that the relay pins plug into is getting voltage, because the wire that you're touching with the probe is carrying current from that female receptacle, which would allow the current to travel to your probe, just the same as if the relay weren't there at all, and the wires were stuck down into the receptacles. If this is a mistaken conclusion, would you please explain how that is so.
BEST VIDEO I HAVE SEEN YET, GREAT
speckspeck i have a 94 Chevy pickup truck ac ice cold but the ac compressor is hooked to taggle switch
Thanks for the information....really. ....thanks
Thanks for your help
cool idea and great presentation, i say 5 stars good friend
Nice ... it will come in handy, thanks
Real pro's tips and tricks. Thanks.
Thanks for the tip.
Thanks for the video very informative :)
Great tip! Thanks for posting. I like your tester, who makes it? Thanks again
Oh man that's great. I'm always looking for better ways to solve car problems.
a pesar de no ser un norteamericano se puede entender facilmente tu explicacion.gracias
You my man are a freaking genius.. Thanks
Brilliant! Thankya, sir.
Very usefull. Thanks 👍
Very creative!!
great info but I do have ? when you test a relay, I know pin 30 have power all the time, but what about the fuses do they have to be with voltage?
Good Work Man Thanks
Simple but effective idea, Thank-you for uploading this video.
If you have replaced bulbs on a headlight when the low beam is not working and you have changed the fuse and it's still not working and the fuse relay is good. Any ideas what the next check would be.
Hello, from Glasgow
Nice trick. Thanks
old school,only the best.
Simple relays have a field positive, field negative and power to load. Jack Morgan, if you want to repair your own car, buy some tools instead of being derrogatory. What he is using is called a Power Probe. You need one to test for continuity, power, ground and to power a circuit. You need a multimeter to do many other tests, but you need to spend a few bucks. The multimeter is the least expensive, but can get up there in price for pro user models or for long term dependabliity.
awesome tech!
Good Afternoon Realfixesrealfast take care and have a great day Realfixesrealfast 👍
Thanks 👍
From Nick Ayivor from London England UK 🇬🇧
excellent example.
Thanks, very helpful.
Great job God Bless
How are you sir,I love your videos.my problem is a relay issue,I swapped out relays to engage my a/c clutch to no avail.I have dtc po645 on a 95 dodge stratus 2.5 v6 a/c clutch relay conrrol circuit,my question is,does my a/c clutch have a my compressor have a relay within itself? Or not.hope to hear from you thank you
great video,, thanks
Thanks for your time
that's great, thank you
Great idea, thanks for sharing; and taking the time to do so!
Mind you, if EYE had been clever, EYE would have thought of it too! :)
NoAxe
Thank you Sir!
Relay Fixes, really fast! :D
I never would have thought to do this in a million years. I think I'm going to take a patent out on this! Smile.
Excellent!!
Good idea, thanks :)
@RobertNiez its a power probe, very usefull
Having issues with my chevy venture it will start then stall didn't have this issue until I messed with a couple relays and now it starts then stalls
Buahahaha! Man I love scrolling down to read the comments. Always a good laugh.
GREAT VIDEO thanks
What machine did you use in the video during the test ,..... mine gives me the fault P1517 on a VW golf 2003 mrk 4 , 1.6 liter.
it was a power probe
Very Great !
Dewayne is a genius
Good thinking!
Very well done
awsome trick..!!!
Can you use a multi-test to check continuity??
I’m going to try this way also, ac is acting up. Thanks for the information 👍🏻
Thank you!
Been doing that for power cables if no plug. Jam wires in socket and put plug on top. Never thought about using it for this though, so thanks. Now why is there three ground and one positive though? Was under impression low current passes through one side of relay creating magnetic force to put switch across enabling high current on other side to connect. Please answer me as new to this stuff.
on a 2006 PT Crusher does the air conditioner have to work for the radiator fan to work
Sounds like it's time for a wiring diagram. Check out alldata. The battery is what turns on the relay. Nope, the amperage from the battery isn't too high. The relay will only draw the amount of current it needs from the battery unless of course you wire it wrong and then you'll get a different story.
thank you very very much.
thanks great tip