How Speedometers Work: Mechanical vs. Electronic

In this episode of Proctor Car Tips, Charles discusses the two types of speedometers, Mechanical vs Electronic. He also talks about the two main types of speedometer displays commonly found in vehicles today which are Digital and Analog Displays. He shows that in some cars today, a mix of digital and analog displays can be used.
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How Speedometers Work: Mechanical vs. Electronic
• How Speedometers Work:...
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[@mat4263]

Thank you Charles. I had a simple question and you provided exactly the simple yet precise answer I wanted without taking 10 minutes to get to the point!

[@dmb990]

Holy shit man I’ve found you again. I see you all the time in premier league streams and an MMA stream once I think. Mat with one t and a gunner.

[@mat4263]

@@dmb990 lol 🤣🤣🤣

[@KorisnikBr1]

There are analog and digital speedometers... boom, that's it folks.

[@Engineer9736]

😂

[@rosaliagaribaldi6311]

If you are driving at a high speed and you hit would the speedamoter stop on the speed of impact

[@Eye-it-azz]

Duh, speed-ometer, self explanatory. What does your speedometer do at a red light or when you’re idling ? Does it go on it’s own ?

[@ryans413]

One the wheels stop moving it’ll read 0

[@nashonymageka9222]

i really need to know more on electronic speedometer. can u help on that

[@billponciano8080]

My speedometer don't work in a 95 Nissan pickup Hardbody 4 cylinder 5 speed 2 wheel drive and less I hit the trip leader

[@LawatheMEid]

In mechanical one: the speed of shaft or the wheels? I mean is there a mechanism which consider the wheels diameter?

[@otodzidzava4098]

Hi charles, i have question with you, if i want to connect speedometer with another device, which will read speed from speedometer and make other work. how can i make this type of connection both of this kinds, of speedometers(for mechanical & electronic) ? thanks for your attantion!!!

[@Engineer9736]

If you have to ask others on how to do it then you are never going to get that fixed. If you want to read a digital speedometer with a Raspberry Pi or something then you’ll need to reverse engineer the signals or find documentation about it, and then program an application that will read those signals. If it’s a mechanical speedo then you could do something with a disc with gaps and a light sensor, count the amount of signals from the light sensor and convert that to the right number for the unit you want to display (kmh or mph).

[@1menwolfpack550]

When a mechanical speedometer and odometer dont work and when inspected everything looks good regarding the gears. Does it mean that the cable that rotates the speedometer is no good no more? Or could it be where it attaches to the transmission? Need help i have a 1984 volvo 244 dl

[@a.morganblack7151]

Thank you Mr. Charles!

[@methsaraminmuthu2759]

hi... I replaced my car's engine and now speedometer is not working now since the new engine has an electronic speed sensor and older one has mechanical speed sensor ,have you any gadget for that or a solution

[@iantheinventor8151]

What if owners change the size of wheels or tyres? Will the speed indicated be incorrect? 🤔

[@marjorie411]

Thank you Charles

[@SpacecatHolmes]

Thanks Charlie.

[@tauhabinazhar3776]

A very summarized and good video

[@eivis13]

So, how do i find out if my speed sensor is the same for the abs module or if it's some sensor on the transmission/engine without consulting a manual or playing the check engine game?

[@tajmeeltarfeeh7030]

can i ask you about Speed Gauge needle, i had removed the needle in order to replace cluster, after i put it back driving test show no movement at all in the speed needle while all else working,,, please tell how it can be repaired, the car is M5 e39, 2002 model thanks

[@tannerspurlin7726]

normal people "tips" southerners "teeips"

[@wilfordbrimley4324]

No, I didn’t learn shit from this

[@rafaelsalazar3216]

Do 2004 nissansentra have speedometer cable n how many sensor 2 the speeddometer

[@zaynetabet5485]

Let's say your wheels are slipping and you are not moving but they are spinning at 60 km/h would the speedometer show 60km/h as that is the speed of the transmission rotation or would it show 0 as the car itself is not moving?

[@Mynameister]

This video does not explain HOW it works at all. Things like tyre size and how a rotating speed translate to a dial are not mentioned at all.

[@eatyourcereal11yearsago79]

He sounds like he's about to start rapping.

[@Ray-mw1fx]

Lmao the drum track behind and his voice. Just waiting for the sick drum solo to drop the beat.

[@alicomando1195]

I still don't know how exactly these things work

[@djatisusilo8841]

Oh that’s convenient because when I watch Scalia Kutter 9 Onboard I wonder how Speedometer work

[@khleung3595]

car 92 mercedes w140 300se wdb1400322a051882 car diagnoisis gave comments=engine speed increase-short circuit to ground-resistance too high...any comments(is it because of car age the instrument cluster is shorted somewhere inside?) thks in advance leung

[@r.c.850]

CAN SOME ONE ANSWER THIS QUESTION: .... 2 CAR, SAME MODEL AND YEAR.... 1 CAR HAS 17 INCH WHEELS AND THE OTHER HAS 22 INCH WHEELS.... IF BOTH CARS GO TO THE SAME SPEED (60mph) " SHOWING ON THE SPEEDOMETER" ... WHO ARRIVE FIRST AND WHY?

[@leol2254]

the car with the bigger wheels, the less diameter the more the speedometer shows, so the bigger wheeled car will go faster than the smol wheeled car, if they go at the same rpm

[@noonehere4332]

0:03 oh shit i have that car

[@cocacoladog10]

but what if one puts bigger wheels on their car?

[@Tube-tv4qx]

Then the speedometer shows less.

[@OldSchoolNoe]

Now I have to find out why my speedometer reads 65 when going 80

[@Engineer9736]

Maybe you have bigger wheels on your car than what it’s designed for.

[@OldSchoolNoe]

@@Engineer9736 Original owner installed incorrect speed sensor, I made a video on the subject.

[@Engineer9736]

@@OldSchoolNoe Nice job in finding that issue!

[@pantherplatform]

Vee-hick-le

[@zombieBoredBastard]

Don't forget the "sh" on the end of every word spoken

[@gabrielmaria2762]

This must be the most pointless explanation I've ever received.

[@ainsmas361]

Didn’t really teach us anything here.

[@PlatinumEagleStudios]

"Their ve-HI-cles" WHY can't they pronounce words right?? Also they say h-wile instead of while. OMG the texas accent is super annoying but this video is very informative and was the only video i could find that showed how they work. But that accent will always irk me >__< either he's from Texas or Tennessee I can't tell their accents all sound the same to me.

[@salehalmalki5181]

If I change the tire size, does it affect the speed?

[@xristosn.g]

@Ken Mason so when u have 215/45/17 is nearer to the actual speed that 205/55/16?

[@xristosn.g]

@Ken Mason i think it affects only the Speedo

[@Engineer9736]

The speedo measures the driveshaft, not the tires. So it won’t see a change in tire size while you do actually go faster. If your wheels turn 1000rpm, then at 15” wheels you go 72km/h, while at 17” you go 81km/h. Boils down to: if you change your tire size, then the speedo will give a false reading. Put bigger tires on = speedo measures a lower than actual speed, put smaller tires on = speedo measures a higher than actual speed.

[@Engineer9736]

@Ken Mason I don’t know if you are being sarcastic in disagreement with me, or just telling a joke. But yes, if your engine could reach the amount of rpm for 600mph the speedo would show 600mph while the car physically actually would be going only 10mph.

[@TheSmilePerson]

That speedometer is from my dads honda accord 2015. I think this is optimised for us since it says mpg instead of km/m, shows a mph along with km/h instead of km/h only and its odometer is in miles.

[@Davidsavage8008]

My 94 Mazda truck Speedo neddle bounces and goes forward of my actual speed. Sometimes getting stuck at the 6 o'clock position. I've had to smack my dash board to free it up. It works good some days and bounces or gets stuck on other days until I free it up and start over... Can I force some lube up the cable with air pressure or what is really going on. ? Thank you. Disabled veteran....

[@chriscamp5190]

I need to know if the 96 mustang gt has the same speed ometer cable as the older foxbodys

[@johnnybuoy9551]

useless video... Did not mention how they exactly work

[@ElusivEnigma]

Thank you for helping me.

[@KartikGamer]

Very Informative ,Thanks

[@santasquirtle]

Kartik Gamer more like vary uninformative he didnt tell how they work like at all

[@samuelw3875]

Will I break the speedometer if I drove over its limit for a few times?

[@Engineer9736]

No, the speedometer works with a magnetic coupling. It will just slip through the magnetic field, not going higher by being held back by the max speed peg.

[@δωμάτιομελέτης]

Clickbait...

[@riteshpandhare2638]

Why analog system still use

[@juz882010]

what would cause an electric speedometer to be laggy/slow/delayed?

[@skhotzim_bacon]

Could be multiple different things. The sensors, computer or display

[@nafisratnam4303]

need a detail elaboration. pls

[@eduardofukay]

That was a quick, informative and satisfying video. Well done.

[@itsalmostfun8567]

damn WELL EXPLAINED i tried figuring it out by my self and i know it was stupid

[@-__-_-_--__--_-__-_____--_-___]

ok but how do the electronic sensors determine speed