Question about Chevrolet Blazer

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SPEEDOMETER DOESNT WORK ON MY 1990 FULL SIZE CHEVY BLAZER.I INSTALLED NEW SPEED SENSOR,DIDNT HELP.WHAT ELSE DOES IT NEED?

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Need some model info on your Blazer to be sure if you have a electric instrument cluster.

In the mean time check out this post for some more info.




1990 electric instrument cluster speedo The 1947 Present Chevrolet GMC...

Posted on Aug 12, 2017

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Posted on Jan 02, 2017

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SOURCE: speed sensor and overdrive

Hi...
On your honda , This problem is common.
The SPEED SENSOR come damaged, Affecting the Overdrive Funtion and Speedometer
And give the Code to the Engine (check Engine) and The transmission. (S light blinking).
I recomend as Initial step.
Inspect the Speed sensor and the Connector,
If they Look good Replace the SPEED SENSOR.

OK. I hope this help on your problem.
Thank you for use fixya..

Posted on Oct 01, 2008

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SOURCE: replace a steering column on 1989 chevy k5 blazer

The best thing to do is to buy a Chilton,s repair manual. It has step by step procedures. You can get one at most auto parts stores. They coast anywhere from $10-$30 dollars.

Posted on Mar 16, 2009

  • 1114 Answers

SOURCE: factory speakers sizes

If you go onto the Crutchfield .com web site and click on their link - "outfit my car" it will list your factory speakers. The site will ask for info regarding your particular vehicle: 2 door, 4 door, with bose system, etc. The speaker sizes may be the same for all options. You can find out by clicking on all the options to compare.

Posted on Jul 05, 2009

  • 144 Answers

SOURCE: 1990 chevy blazer 4x4 full size,,would like a

Hi! Here you go!! hope this helps you!ae5521f.gif

Posted on Sep 12, 2009

Testimonial: "thanks for the diagram.. very helpful in replacing my front hub assemblies..."

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SOURCE: 1996 chevy blazer tire size

stock is generally the 235/75r15, but if you can find someone to install them or do it yourself easily be able to run 31x10r15 for a little meatier look, this would involve a slight trim of the front skirt edge on some models or depending on your suspension. Any tire shop would easily be able to tell you stock tires or what would fit, but most major retailers (walmart, fleetfarm) will not install ANY tire not listed as factory. so you would have to find a private shop then.

Posted on Sep 03, 2010

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1 Answer

The speedometer does not work


On older cars there was a cable that ran to the speedometer and it was often necessary to replace the cable. Newer cars are electronic and part of the computer body module computer. According to Buzzle.com: " Cars produced after 1990 are usually equipped with speed sensors, which may crash and cease to transmit speed readings to the speedometer. A more serious problem could be a faulty speedometer head, which needs expert diagnosis.
Read more at Buzzle: http://www.buzzle.com/articles/speedometer-not-working-properly.html " You will find the speed sensor behind the engine, above the trans-axle.
Remove the connecting hose, air cleaner and electrical connector from above the sensor.
With help of a 10 mm socket, remove bolts keeping the sensor in place. Then, twist the sensor to take it out.
Attach a new O-ring to the sensor and clean the sensor flange and exterior sensor housing before re-installation.
Fix the new sensor in place and tighten bolts around it. Reattach the hose, air cleaner and electrical connector on to the sensor.
Read more at Buzzle: http://www.buzzle.com/articles/speedometer-not-working-properly.html" I hope this helps.

Apr 26, 2015 | Cars & Trucks

1 Answer

2001 blazer chevy


The ABS light is on, because you have no speed signal. The transmission is not shifting for the same reason. The core of your problem is the speed signal. I would first check the speed sensor wires again. One of them may be broken. If not, then you may have popped the ECM (Vehicle Eletronic Control Module). Good luck.

Apr 19, 2014 | 2001 Chevrolet Blazer

1 Answer

Speedometer doesnt work 1990 toyota pickup


Change the speed sensor if you have the electronic speedometer. If you have a cable driven speedometer, buy a new cable, and replace.

Dec 02, 2013 | 1990 Toyota Pickup

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Speedometer doesnt work 90 toyota pickup


Change the speed sensor if you have the electronic speedometer. If you have a cable driven speedometer, buy a new cable, and replace the old cable if it has been broken.

Dec 02, 2013 | 1990 Toyota Pickup

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Speedometer doesnt work and transmission doesnt shift right in 99 chevy blazer


Replace the speed sensor on the tailshaft of the transmission. It needs this signal to perform both functions.

Aug 11, 2011 | Chevrolet Blazer Cars & Trucks

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The mileage and speedometer are not showing up on my 1994 chevy blazer tahoe LT. Everything else works though. Please help!!! fuses are good.


Im pretty sure the speedometer runs off of a VSS (Vehicle speed Sensor) on the tail shaft of the transmission. Check to make sure the connection is clean and connected properly and maybe replace it. Another thing to check...Where the speed sensor goes into the transfer case. Jack a rear wheel up so you can turn the driveshaft. Have the speed sensor out, and look in the hole at the shaft. There is a magnet, actually looks like several teeth. They must rotate with the shaft. That is the thing that gives the sensor a signal. have a good day !!

May 17, 2011 | 1994 Chevrolet S-10 Blazer

1 Answer

Digital speedometer in my 1990 Taurus Lx sits at 0 and doesnt read but my rpms and gas meter still read.


either your instrument cluster is faulty and has a short or you need to replace your vehicle speed sensor.

ps not your trans speed sensor vehicle speed sensor


if it helps please give me a good rating

May 09, 2011 | 1990 Ford Taurus

1 Answer

Is the speed sensor on a 1994 chevy s10 blazer also what controls the odometer? Mine is broken(odometer).


if the speedometer works, but the odometer doesnt, then the problem is the speedometer cluster.

Jun 12, 2010 | Cars & Trucks

1 Answer

Dash panel all lights come on speedometer stops working on occasion. When this happens does not accelerate well.


sounds like a bad speed sensor, if sensor doesnt tell computer what speed your traveling then trany doesnt know what gear to select, try replacing speed sensor, that should solve your problem,im suprised check engine light didnt come on, anyway good luck hope this helps.

Dec 06, 2009 | 1999 Volvo S70

1 Answer

93 full size blazer manual trans doesnt self center


with the shifting lever there are bushings, you just need to replace them.

Apr 26, 2009 | Chevrolet Blazer Cars & Trucks

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