Test Spark Plug Wires With Multimeter

  Рет қаралды 206,321

Know How Now

Know How Now

6 жыл бұрын

No resistance specs or chart is needed to figure out the correct spark plug wire resistance on any set of spark plug wires. A spark plug wire test with a multi meter can determine if the conductors are good.

Пікірлер: 129
@Know-How-Now
@Know-How-Now Жыл бұрын
Here's a link to a Know How Now video on how to use a multimeter to test resistance/continuity: kzfaq.info/get/bejne/b65dqLCErK6qiIE.html There are hundreds of videos at Know How Now, subscribe so you can always find the channel…. It’s free. I always respect your time and do my best to keep the videos brief, but informative. Check out the channel with this link: www.youtube.com/@Know-How-Now/videos
@roho4373
@roho4373 6 жыл бұрын
Not too long. I learned a lot from your short video. Please continue to make more videos. Thank you!
@Know-How-Now
@Know-How-Now 6 жыл бұрын
You are welcome. It's good to hear that the video was helpful and thanks for the compliments.
@mikeberesford4955
@mikeberesford4955 2 жыл бұрын
You are a breath of fresh air! Easy to understand,no stupid loud obnoxious intro tire spinning stupid stuff. Please do more! Easy pleasing understanding voice 👍
@Know-How-Now
@Know-How-Now 2 жыл бұрын
Thanks for watching the video, Mike. I regularly add new videos to the channel, though most of them are home repairs.
@lewstone1934
@lewstone1934 3 жыл бұрын
This is such a great video. I had a perfect LT (primary circuit) state but no HT output to the plugs. My problem was a faulty lead from the coil to the distributor. Plug leads are very difficult to check on your own, as it's hard to correctly ground plugs and see spark strength when you're turning an engine over. This solves the problem with respect to the leads - as you say consistency is the key - making sure the resistance takes account of lead length. Clearly explained and demonstrated. Now - come and take a ride on UK roads in a Triumph TR6...
@Know-How-Now
@Know-How-Now 3 жыл бұрын
Thanks for taking the time to comment. It's good to hear that the method in the video helped with the troubleshooting. Hopefully, we will be able to travel more freely soon. Have a great day in the UK.
@SHERIFDEAN
@SHERIFDEAN 6 жыл бұрын
don't stop keep your nice work we can use multimeter to diagnose almost everything around us cars, home devices, electronics, solar system, batteries , phones, HAVC, etc and actually everybody must have a pocket multimeter in the car its always helpful even if it low price multimeter (but just for cars simple diagnose not for serious electricity work in this case it must be high quality multimeter for safety and always use it with extreme caution). i like your video and after i read your replies on comments i subscribed and by the way not everyone understanding fast it's different from person to person so my opinion is your video wasn't long.
@Know-How-Now
@Know-How-Now 6 жыл бұрын
Thanks for subscribing and the complement, Sherif. My thoughts were that if someone was looking for help with this topic, they probably had very limited experience using a multimeter. After electronics school, I made many rookie mistakes and I wanted the viewer to avoid the common mistakes.
@DeeBee2013
@DeeBee2013 6 жыл бұрын
Great Video - I had a problem where my car was jumping as I accelerated = happened after 2 days of non stop rain - changing the leads solved the problem and also improved the power of the car and MPG a lot.
@Know-How-Now
@Know-How-Now 6 жыл бұрын
You are Welcome. Thanks for commenting, Dee. I'm sure your experience will be helpful to other viewers. It's great to hear your car is runner better too.
@jonniejam-shovel6405
@jonniejam-shovel6405 2 жыл бұрын
New subscriber here from England.👍 A nice informative little film, about a subject that doesn't always get a mention. I own a late 1970s Morris Minor Traveller, I'll make time to check my HT leads now. Kind regards.👍
@Know-How-Now
@Know-How-Now 2 жыл бұрын
Thanks for subscribing, Jonnie. Welcome to Know How Now. I have fond memories of a visit to London.
@deandempsey264
@deandempsey264 5 жыл бұрын
Super informative and easy to follow thank you
@Know-How-Now
@Know-How-Now 5 жыл бұрын
You are welcome. Thank you for the compliment, Dean.
@chandrakantindapurkar8738
@chandrakantindapurkar8738 Жыл бұрын
Good and correct scientific information provided by you Thanks a lot.
@Know-How-Now
@Know-How-Now Жыл бұрын
You are welcome.
@randybritton9594
@randybritton9594 5 жыл бұрын
Great Video--the ratio analysis makes sense
@Know-How-Now
@Know-How-Now 5 жыл бұрын
Thanks the the compliment, Randy. Other than getting the specs for your wires, it's the only way I can think of to get a rough estimate of the correct reading for each wire.
@MsNailgun
@MsNailgun 5 жыл бұрын
Great video. nice to see a lady doing this type of stuff.
@Know-How-Now
@Know-How-Now 5 жыл бұрын
Thanks for the compliment. As many others have done, please consider subscribing to the channel. It's free and you will easily be able to find over 200 repair/how to videos that are organized by playlist.
@knightrida6829
@knightrida6829 7 күн бұрын
Thank you so much bought an old classic b m w completely forgot how to do this stuff
@Know-How-Now
@Know-How-Now 6 күн бұрын
You are welcome.
@Okie-Tom
@Okie-Tom 6 жыл бұрын
Not too long. Just an in depth video for a beginner looking at their plug wires. Thank you.
@Know-How-Now
@Know-How-Now 6 жыл бұрын
Thanks for the compliment, Tom. That's what I was hoping to accomplish.
@Okie-Tom
@Okie-Tom 6 жыл бұрын
Know How Now . I am probably going to need to use your test this weekend. My brother in laws 2005 PT Cruiser Turbo has developed a bad miss and backfires when he tries to pass another car. The check engine light came on with a P0303 code for cylinder three misfire. I am going to try to help him figure it out. My code reader, which is the BlueDriver, said the most common fixes were plugs or the cam sensor. I will see. Runs great at idle so I don't think it is a vacuum leak. Thanks, Tom
@MmNn-mp3lh
@MmNn-mp3lh 7 ай бұрын
Beautiful voice and excellent explanation😊😊
@paulcarpenter237
@paulcarpenter237 6 жыл бұрын
Excellent video... very informative... and to be narrated by Jody Foster as well... LoL...seriously, she DOES sound like her...LoL...
@Know-How-Now
@Know-How-Now 6 жыл бұрын
Thanks for the compliment, Paul. (From the voice of Jody Foster.... LOL.)
@saadalghamdi3203
@saadalghamdi3203 Жыл бұрын
Thanks sistet .. its help for my old car 👍👍👍👍
@Know-How-Now
@Know-How-Now Жыл бұрын
You are welcome.
@omaradan8062
@omaradan8062 6 жыл бұрын
Thank you Great understand video channel
@Know-How-Now
@Know-How-Now 6 жыл бұрын
You are welcome and thanks for the compliment.
@pakcom-vl9kd
@pakcom-vl9kd 3 жыл бұрын
my leads are showing nothing at 20000k but at 20 k i get 7.0 is that bad?
@Waxxumus
@Waxxumus 2 жыл бұрын
Good info! Thank you!
@Know-How-Now
@Know-How-Now 2 жыл бұрын
You're welcome!
@jasonarmistead3421
@jasonarmistead3421 Жыл бұрын
Thanks, my BigBlue truck thanks you!
@Know-How-Now
@Know-How-Now Жыл бұрын
You and BigBlue are welcome, Jason!
@dennisgrubbs1929
@dennisgrubbs1929 Жыл бұрын
Thanks for the video
@Know-How-Now
@Know-How-Now Жыл бұрын
You are welcome, Dennis.
@josephuscila5223
@josephuscila5223 2 жыл бұрын
A better comment of advice about checking at night ,, a darkened area or darkened garage instead of night
@kennedywong9854
@kennedywong9854 5 жыл бұрын
I brought new spark wire and tested it and giving me reading .825. Is it good or bad? Right car now getting spark. Could be bad spark wire?
@Know-How-Now
@Know-How-Now 5 жыл бұрын
I don't know the specs for your plug wires, so I can't tell if that is a good reading. That's why I have you measure all of them so you can get an idea of the correct reading for your set of wires.
@orlandocraigg8929
@orlandocraigg8929 3 жыл бұрын
Very informative info
@Know-How-Now
@Know-How-Now 3 жыл бұрын
Thanks for the compliment, I do my best to make videos worth the time spent watching them.
@spaceman9001
@spaceman9001 8 ай бұрын
Super helpful video! One question that's totally irrelevant to the video content, but may I ask where you're from? I know the accent, but I can't quite place it lol
@Know-How-Now
@Know-How-Now 8 ай бұрын
I live about 50 miles from Philadelphia.
@u.s.a.198
@u.s.a.198 Жыл бұрын
Thank you!
@Know-How-Now
@Know-How-Now Жыл бұрын
You are welcome!
@abdel-hadikaddour8400
@abdel-hadikaddour8400 3 жыл бұрын
Thanks
@Know-How-Now
@Know-How-Now 3 жыл бұрын
You are welcome.
@iamasmurf1122
@iamasmurf1122 3 жыл бұрын
The easy way is wait until its completley dark lift the bonnet of your car ( while running ) and if you see slivers of light or tiny sparks or the leads are glowing ;coming from your leads replace then
@jonathanlawson4667
@jonathanlawson4667 Жыл бұрын
That doesn't mean anything 🤣🤣🤣🤣🤣🤣lmfao just because it arks doesn't mean it's bad lol
@passivemoon
@passivemoon 5 жыл бұрын
Thank you.
@Know-How-Now
@Know-How-Now 5 жыл бұрын
You are welcome. Happy New Year!
@passivemoon
@passivemoon 5 жыл бұрын
Happy New Year.
@chew-barka
@chew-barka Жыл бұрын
Clamp on multimeter. Does anyone still use those anymore.
@rolandbrooks386
@rolandbrooks386 2 жыл бұрын
18.5 resistance on coil wire to distributor...1993 honda accord 13 inch length. Too much resistance?
@skip741x3
@skip741x3 11 ай бұрын
very high for the length...a 3 ft length should be around 9-10k... a 1 ft is usually 3 K ohms
@neodiy
@neodiy 4 жыл бұрын
Superb video lady
@Know-How-Now
@Know-How-Now 4 жыл бұрын
Thanks for the compliment.
@front331
@front331 4 жыл бұрын
still confused. so, the service manual or all data has spec numbers based on wire length? that test is rather inconclusive. your service manual says that your reading should not be greater than 25k ohms. how helpful.
@Know-How-Now
@Know-How-Now 4 жыл бұрын
If you want exact numbers you may want to try to get them from the wire manufacturer. The test lets you figure out approximately how much resistance for a length, then with a little math you can get rough idea if all of your wires are in the ball park of what they should read. If the insulation is breaking down, this test won't help.
@saadali6926
@saadali6926 4 жыл бұрын
is there any sequence to plug it depending upon its resistance?
@Know-How-Now
@Know-How-Now 4 жыл бұрын
I'm not real clear on your question, Saad. I will try to answer. The longer the wire, the higher the resistance reading. You'll need to test all of the wires to get make an educated guess on whether or not the wires are good.
@saadali6926
@saadali6926 4 жыл бұрын
Know How Now I meant that the longer wire usually have more resistance and the shorter has less resistance comparatively, so is there any specific sequence for plugging the wires? like the longer wire must be plugged into the first spark plug and the other end into its rightful place and not plug the longer wire into the third spark plug...?
@Know-How-Now
@Know-How-Now 4 жыл бұрын
You have to connect the wires between the distributor and the cylinders according to the firing order for your engine. The longest wire will go to the cylinder farthermost away from the distributor. The 2nd longest to the next farthermost cylinder and so on.
@saadali6926
@saadali6926 4 жыл бұрын
thanks a lot you've been very helpful
@Know-How-Now
@Know-How-Now 4 жыл бұрын
You are welcome
@Kadmosthegreat
@Kadmosthegreat 3 жыл бұрын
Just what I was looking for, thanks. Philadelphian?
@Know-How-Now
@Know-How-Now 3 жыл бұрын
You are welcome. I live about 50 miles east of Philly.
@Kadmosthegreat
@Kadmosthegreat 3 жыл бұрын
@@Know-How-Now I moved from St. Louis to Philly about 2 years ago, still getting used to the various accents ;)
@reddotgaming8706
@reddotgaming8706 9 ай бұрын
Thanks helpful me..👍
@Know-How-Now
@Know-How-Now 9 ай бұрын
You are welcome.
@balloney2175
@balloney2175 3 жыл бұрын
I must have the same kind of multimeter you have to apply your lecture.
@Know-How-Now
@Know-How-Now 3 жыл бұрын
I'm not sure if you are asking a question. You can use an auto-range multimeter, that's the kind shown in the video. You can also use type that you select the range. For novice mulitmeter users, I recommend that you buy an auto range multimeter. It's way easier to use and there is less chance for user error.
@giacomoorru3420
@giacomoorru3420 2 ай бұрын
I have a question for you. If there is no continuity in the spark plug wire edges, does this mean it is broken? The resistance is there but not the continuity
@Know-How-Now
@Know-How-Now 2 ай бұрын
I'm not understanding your question. I don't know what your meaning of spark plug wire edges.
@giacomoorru3420
@giacomoorru3420 2 ай бұрын
@@Know-How-Now measuring the spark plug cable with the multimeter gives me resistance but not continuity. So the cable is broken, or am I wrong?
@Know-How-Now
@Know-How-Now 2 ай бұрын
Continuity is around 0 to just a few ohms.... that's what you would read on a few hundred feet of #14 copper wire. Spark plug cables are supposed to read much higher resistance per foot than a copper conductor. www.championautoparts.com/Technical/Tech-Tips/Defective-Spark-Plug-Wires.html
@dw2793
@dw2793 2 жыл бұрын
Extremely helpful! Especially including the fact that you replaced with new, anyway and it improved MPG impressively. Not long ago, before I grew up (read: old), I'd have asked you to marry me.
@Know-How-Now
@Know-How-Now 2 жыл бұрын
I've had a few marriage proposals. lol.
@drivingschool11
@drivingschool11 5 жыл бұрын
I really can't understand. I bought a brand new cable spark plug. Kia Rio Model It measures 1.8 ohms The old one cable measures 2.2 ohms. Both with the same length. What my conclusion should be? Please advise, I am freaking out because of my lack of intelligence. Kind Regards
@Know-How-Now
@Know-How-Now 5 жыл бұрын
I wouldn't get upset about a difference of less than 1 ohm. 1 ohm is a very minute amount of resistance. I wouldn't be concerned.
@drivingschool11
@drivingschool11 5 жыл бұрын
@@Know-How-Now Thank you But..I am very confused, wich one has better resistance the old cable or the new cable?
@Know-How-Now
@Know-How-Now 5 жыл бұрын
.4 ohm is so small of a difference that really, both cables are the same. The old cable has slightly more resistance.
@drivingschool11
@drivingschool11 5 жыл бұрын
@@Know-How-Now But something is wrong. The old cable is very used for around 94000 miles. My conclusion is that the new cable has poor quality. It's impossible 94000 miles but practically with the same resistance of the new cable. I called the supplier and he said: - yeah..no problems bro I will refund the money back. But!! I called Kia and asked what's the standards for the spark plugs cables resistance from Kia Rio. Reply: we are not entitled to inform the resistance standards for those specific cables. Very strange, 94000 miles and new cable with not much difference. Something is wrong.
@Know-How-Now
@Know-How-Now 5 жыл бұрын
I made the video because it's difficult/impossible to get the specs (as you have discovered) for your particular set of wires. By comparing them, you can get a rough estimate of how much resistance you should read on each cable to find out if it is broken/damaged inside of the insulation and make an educated guess to replace them. The insulation on the cables breaks down over time and that can fail too. I have no way of knowing the specs for each one of your cables, especially something so small a .4 ohm. Depending on the quality of a multimeter you could have .4 ohm difference from one meter to the next. Likely, your question needs to be answered by the engineering department of the manufacturer. Sorry, I am not one to give you an answer to a question that I don't have the ability/information to answer.
@donnacavin3121
@donnacavin3121 Жыл бұрын
Firing order on a Pontiac Trans Am
@TheRockmart
@TheRockmart 5 жыл бұрын
i need you to marry me so i want have to pay for repair bills lol
@drivingschool11
@drivingschool11 5 жыл бұрын
lol you are very funny.. I will never understand...
@frankleskauskas787
@frankleskauskas787 3 жыл бұрын
Thumbs up
@Know-How-Now
@Know-How-Now 3 жыл бұрын
Thanks
@harrikah
@harrikah 4 жыл бұрын
for toyota, resistance shoould not exceed 1k ohms per inch thanks for that night water spray tip
@donstone4349
@donstone4349 Жыл бұрын
I hear what you are saying,lol.
@AF1MIDS
@AF1MIDS Жыл бұрын
Good morning ma'am hope your day is going well! Are you able to make a video showing how to use a multimeter and all of it's functions and show how to apply it in action? I have an (INNOVA 3300) and idk how to use it correctly and comprehend it. I'm trying to use the multimeter I have on (DC AMPS) to follow and apply this test here (kzfaq.info/get/bejne/nauBoa5_sdLHdoU.html). Can you also make a video showing how to properly backprobe an ignition coil connector?
@Know-How-Now
@Know-How-Now Жыл бұрын
Sorry I own a Fluke multimeter. You might want to do an internet search for your specific question.
@AF1MIDS
@AF1MIDS Жыл бұрын
@@Know-How-Now Good afternoon ma'am! Thank you for your reply i appreciate it. You have a beautiful blessed day!
@Know-How-Now
@Know-How-Now Жыл бұрын
I hope you have a beautiful blessed day too!
@AF1MIDS
@AF1MIDS Жыл бұрын
@@Know-How-Now Thank you so much for those blessings! God bless you always!
@wdb210sbenz8
@wdb210sbenz8 3 жыл бұрын
💗🌷💗🌷💗🌷😘😘
@philiplowry5971
@philiplowry5971 2 жыл бұрын
Lol thanks mom.
@Know-How-Now
@Know-How-Now 2 жыл бұрын
You are welcome. lol
@geraldwalsh6489
@geraldwalsh6489 4 жыл бұрын
Yyou didnot diagnose anything using the multimeter
@Know-How-Now
@Know-How-Now 4 жыл бұрын
You might want to use the term "diagnose" in your search, Gerald. The title of the video says "Test". You won't be so disappointed. Have great day!
@StevenVincentSings
@StevenVincentSings 6 ай бұрын
Philly accent
@jamesadams9460
@jamesadams9460 3 ай бұрын
Didn’t need to know how use multi meter
@Know-How-Now
@Know-How-Now 3 ай бұрын
Yes, but some people do and they will complain that I didn't show them.
@sayedabubkr6212
@sayedabubkr6212 6 жыл бұрын
tooooooooo long
@Know-How-Now
@Know-How-Now 6 жыл бұрын
Thanks for commenting Sayed. I'm always open to feed back. What parts of the video would you suggest that I omit?
@sayedabubkr6212
@sayedabubkr6212 6 жыл бұрын
Know How Now the part concerning learning of using multimeter was too long
@Know-How-Now
@Know-How-Now 6 жыл бұрын
I agree, it's a little long, getting accurate readings are critical. My thought was that if someone is watching this video, it's likely they are not very experienced using a multimeter. I see a lot of people with the free Harbor Freight multimeters, probably not great instruments and should be checked prior to every use. Due to a bad pair of leads, I've seen people spend a lot of time and money trying to fix the wrong problem.
@sayedabubkr6212
@sayedabubkr6212 6 жыл бұрын
Know How Now thanks for your efforts but it would be helpful to point that in video title for example adjusting multimeter and testing spark plug cables knowing that the multimeter you used is not common in middle east and Arabian region, you actually did it very well thanks so much
@Know-How-Now
@Know-How-Now 6 жыл бұрын
Thanks for taking the time to give me some feedback Sayed. It's been a pleasure to chat with you.
@iwanaGoFast2010
@iwanaGoFast2010 2 жыл бұрын
It’s actually longer the wire less the resistance. Ohms is backwards bro. Noob
@Know-How-Now
@Know-How-Now 2 жыл бұрын
Ummm I think you are mistaken. You might want to brush up on Ohm's Law. www.cirris.com/learning-center/calculators/133-wire-resistance-calculator-table
@batyanko8283
@batyanko8283 Жыл бұрын
Got me wondering why @iwana would think a longer cable would mean less resistance. Probably they rationalized a scenario in which 2 cables of different quality or gauge had similar resistance. In which case the longer cable would get less resistance per inch/meter and hence heat up less. Then it might seem that a less heated cable got less resistance.
@skip741x3
@skip741x3 11 ай бұрын
Longer the wire, the Greater the resistance ...Fact......you may want to do some research before calling the video creator a noob,,,
@iwanaGoFast2010
@iwanaGoFast2010 10 ай бұрын
You all just got trolleddddddddd mutha fkasssssssssss
@spaceman9001
@spaceman9001 8 ай бұрын
​@@iwanaGoFast2010haha I was just pretending to be retarded
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