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I bought a 1998 mustang gt standard and the speedo is not working. The guy that i bought it from said he put a new transmission. I cant remember what year of transmission he said it was a 2000 and up model. He said something about the 98 tranny has a gear for the speedo and the other has a sensor. Well does anyone know what i can do or heard about this so i can fix the problem thanks.
Both types of speedo drive in stangs use a gear in the trans. diff is on is a cable driving the speedo the other is an elec signal to the speedo. It still has a gear drive on trans but a converter does the work of the old style cable.
I cant recall what yr it chgd. You could pull the cluster and see if there is a cable to the speedo or not. Shouldnt be to hard to repair it once you figure out the type you have.
04 Oxford White MACH1,5 SPD with IUP,K&NAircharger
Borla Stingers,SLP Catted X pipe,Tri-ax,SCT Flashtune,Max Mtr Spt 4 bolt adj C/C plates, Drilled/Slotted rotors all 4 corners. 17x9 frt 17x10 rear D/D Blk bullitt's
281 rwhp on Mustang Dyno,306 rwhp on a Dynojet
94 Black Lightning Daily Driver
85GT FACH1 FINISHED
Fathom the odd hypocrisy that Obama wants every citizen to prove they are insured, but people don't have to prove they are citizens.
If you voted for Obama in 2008 to prove you weren’t a racist, you’d better vote for someone else in 2012 to prove you’re not an idiot.
The Navy SEALS removed one Muslim threat to America ...
It's up to the voters to remove the other!
his has an electronic spedometer.. i bet money the sensor is missing.
Thats what the guy i bought the car from said something about a sensor can you tell me where to look to see if it has a sensor or what im looking for.
thanks
Same place the cable would go in the trans.. Drivers side of trans tail cone just above the cross member
The wire needs to be plugged in to it also
04 Oxford White MACH1,5 SPD with IUP,K&NAircharger
Borla Stingers,SLP Catted X pipe,Tri-ax,SCT Flashtune,Max Mtr Spt 4 bolt adj C/C plates, Drilled/Slotted rotors all 4 corners. 17x9 frt 17x10 rear D/D Blk bullitt's
281 rwhp on Mustang Dyno,306 rwhp on a Dynojet
94 Black Lightning Daily Driver
85GT FACH1 FINISHED
Fathom the odd hypocrisy that Obama wants every citizen to prove they are insured, but people don't have to prove they are citizens.
If you voted for Obama in 2008 to prove you weren’t a racist, you’d better vote for someone else in 2012 to prove you’re not an idiot.
The Navy SEALS removed one Muslim threat to America ...
It's up to the voters to remove the other!
Mt odometer is not working, after pi swap. that is weird too.
I just wanna go fast!
You most likely need to replace the gears in the cluster. easy to do and gears are about 25 bucks. My WIFE did hers on the 96 I wasnt allowed to do anything except watch..........Originally Posted by cmtz429
04 Oxford White MACH1,5 SPD with IUP,K&NAircharger
Borla Stingers,SLP Catted X pipe,Tri-ax,SCT Flashtune,Max Mtr Spt 4 bolt adj C/C plates, Drilled/Slotted rotors all 4 corners. 17x9 frt 17x10 rear D/D Blk bullitt's
281 rwhp on Mustang Dyno,306 rwhp on a Dynojet
94 Black Lightning Daily Driver
85GT FACH1 FINISHED
Fathom the odd hypocrisy that Obama wants every citizen to prove they are insured, but people don't have to prove they are citizens.
If you voted for Obama in 2008 to prove you weren’t a racist, you’d better vote for someone else in 2012 to prove you’re not an idiot.
The Navy SEALS removed one Muslim threat to America ...
It's up to the voters to remove the other!
I have an extra sensor and gear set up out of a 97 standard.
Wes had to do his, too. And all I got to do was WATCH ...
It's easy and relatively cheap. And common on our age of cars ... apparently the original little gear gets mushy over time. (Mine felt as squishy as cheddar cheese when I took it out and inspected it!!)
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1996 GT Vert
1968 "Vanilla" Coupe
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"Some mornings it just doesn't seem worth it to gnaw through the leather straps."
- Emo Phillips
how much you want for the gear set up let me check to see if thats the problem
Just to be sure, I'm talking about the gear and speed sensor that is mounted in the transmission. Looks like the going rate on Ebay is about $20 + shipping.
If you are willing to come up to the Cabela's in Buda, I'd let you have it for $10
Figured the problem its the little gear thats behind the gauge cluster where can i buy that do they sellthem local anyone know thanks.0.
When the gear behind the gauge cluster fails, the odometer stops working, but the speedo still works. You can buy the gears on Ebay or a couple of other sites.
Odometer Gears | 72 Croatan Road | Newport News, VA 23606 | 757.593.3478
Speedometer Gears and Odometer Gears. Speedometer Parts
I've done this on 4 of my Mustangs and one of someone else's. easy
So my speedometer should still work well its not why could that be then?
Im confused need some help is this what im gona have to do to make my speedometer work has anyone done this that may be able to help me out thanks.
This write up is for the T-45 tail shaft swap. I had to change my tail shaft due to the magnetic speed sensor (found in the 99+ models) as appose to the gear driven sensor (96-98 models).
Car getting the tail shaft swap is a 2000 Mustang GT. I purchased a rebuild transmission and didn't realize that it had a gear driven sensor. So I had to swap the tail shaft in order to get the speedometer to work (and get rid of the "check engine" light).
Lets get started. First, we jack up the car (safety first).
Next, we drain the fluid, disconnect the oxygen sensor plugs, speed sensor, and drive shaft (I couldn't get the tail shaft out without disconnecting both oxygen sensors).
Now we need to remove the shifter, and accessories within the shifter assembly (sorry, don't know the name but it's in the pictures what needs to be removed) from the transmission. Make sure you remove the pin (shown in one of the pictures below) but make sure you don't lose it.
Now, remove the transmission crossmember (make sure you support the middle of the transmission in order to avoid stress on the engine mounts).
Once the cross member is removed, remove all the bolts holding tail shaft. Once removed, you should see a ring (plastic or metal depending on year of transmission. This one is a gear driven speed sensor transmission, so it's plastic with grooves). Removing the safety ring on the reluctor ring was the hardest thing to do for me because I didn't have the correct tool. I used a flat head screw driver and some needle nose pliers.
This is the reluctor ring (metal ring) I had to use for the required 2000 Mustang GT model. The way I removed the metal ring was by tapping it around it (not too hard and not too soft) until it finally came off. You can put it in the transmission the way it came out, with taps. A fellow AFM member helped me out on this one...thanks!
Now you can put everything back together. Make sure you put plenty of silicone on the tail shaft. Also, if you don't have a pump to pour oil into the transmission, you could always pour some in through the shifter like I did. I had to use Pennzoil oil because my local high performance shop was out of Royal Purple transmission oil.
Here we have the 2 tail shafts side by side with sensors.
So make sure you have transmission oil before you even start the job or you'll end up running around shop to shop looking for oil like I did. I wish I could upload more pictures here but it looks like I'm limited to 15 pictures. If there's anything I left out, again, don't hesitate to tell me.
I found this on allfordmustangs
Last edited by mustang hatch; 02-15-2010 at 04:14 PM.
Update i figured the problem well today i got under the car checking the wiring with the speedometer tracing them and all. What i found was there was a wire loose and it had a dallas speedcal connected. I got the speedometer to work but the reading is way off so i calibrated it to what the dallasmustang website says to it still reading wrong speedometer is way off any ideas why this can be.
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