Yeah, I searched the forum, but only found "erratic speedometer" problems.

I lost my speedometer, odometer, and tripometer completely. So far, I've replaced the Vehicle Speed Sensor (VSS). I'm going to check the voltage from the PCM as soon as I get ahold of a meter.

Anything else I should look for?

 

What are you driving???? If it's approx 94 or older have you checked the speedometer drive gear??

 

Ack! That used to be in my sig... I didn't realize it wasn't there anymore.

'96 Ranger XLT Extended Cab, 4.0L 4x4, 5 Speed.

*edit* The signatures are over on the side now.

 

I had the same sort of problem on my 1995 Mazda B3000. It was the GEM (General Electric Module) Think thats what it stands for. Its behind the radio, real easy to change yerself. The part is darn expensive....
Hope that helps...

ForeTwenty
2004 Ranger FX4 Level II
1995 Mazda B3000 Ext 4x4

 

Your signature still exists.
Run your cursor over to "signature" and it will appear in a little blue box!

 

Hey guys, there's a wealth of knowledge and experience on this board. Someone's gotta have an idea for me.

Update: I've replaced the Speed Sensor. No Joy. I'm not throwing any codes, and there are no special lights lit.

Question: How would I be able to tell if it was the Speedometer assembly itself?

 

This is what the 1996 manual says...

PINPOINT TEST H: SPEEDOMETER/ODOMETER INOPERATIVE, RANGER AND EXPLORER

H1 CHECK CONNECTIONS
Verify connector is properly attached at speed sensor.
Are connections good and is drive tip seated properly?
Yes No
GO to H2 . SERVICE or REPLACE as necessary, RETEST system.

H2 CHECK ODOMETER/POINTER
Check operation of odometer/pointer.
Does the odometer operate and the speedometer pointer not operate?
Yes No
GO to H3 . REPLACE speedometer as described in Removal and Installation in this section. RECHECK speedometer for operation.

H3 CHECK SPEEDOMETER POINTER
Check operation of speedometer pointer.
Does the speedometer/pointer operate?
Yes No
GO to H4 . REPLACE speedometer as described in Removal and Installation in this section. RECHECK speedometer for operation.

H4 CHECK VEHICLE SPEED SENSOR
Disconnect speedometer connector from vehicle speed sensor and remove vehicle speed sensor and check that shaft in vehicle speed sensor turns freely.
Does shaft turn freely?
Yes No
GO to H5 . REPLACE vehicle speed sensor as described in Removal and Installation in this section. CHECK speedometer for operation.

H5 CHECK GEARS
Check drive gear for damage or wear.
Is drive gear damaged?
Yes No
REPLACE damaged or worn gear. CHECK speedometer for operation. System OK

 

When I saw your subject "I lost my Speedo" I wasn't sure if I wanted to open the thread or not. I didn't know what kind of picture I might see. Sorry I can't help.

 

Thanks guys... I'm starting to think that the little gear on the end of the speed sensor is the culprit... It looks ok, but the speedometer works until the car's been warmed up.

I don't know... I'm stumped.

 

If there not expensive it's worth a try, sorry I can't be of more help.

 

Ok... I'm having a bit of trouble finding the little pinion gear that sits on the end of the speed sensor.

Anyone know what it's called and/or where I can find it?

 

I would call it the drive gear, can't help with locating one.

 

Well. I finally got the little drive gear.

That wasn't it. I guess it's gonna have to go to the shop... Augh! I hate having to pay someone else to fix my stuff.

 

Bassguy, why not run his puppy by the likes of Advance Auto or Autozone, for a no cost computer scan, to see if maybe it can pinpoint something else for you to check. pawpaw

 

What else is there to check? It's not throwing any codes.