Connection failure.
The speedometer cable (which runs from the transmission to the dashboard) has snapped. This is a two-piece cable, and the one-piece cable in later Proteges will not work. I had the transmission replaced, and the cable could never be fit in properly. This is a mechanical speedometer, so you would have to change the entire speedometer part of the instrument panel to use a magnetic/electronic speedometer.
If the speedometer doesn't work at all then there could be two causes. The first thing is to check the needle it may be loose on the spindle, secondly there is a relay from the fuse box to the speedometer.
It could be a problem with the speedometer assy, since the two are actually one unit. It could also be a speed sensor which is located in the transmission housing on the the right side output drive axle housing.
an altimeter and a speedometer
Usually, it will just cause problems. Work is work and personal life is personal. Best to keep the two separate.
If you open the odometer, there are two small plastic gears. One is connected to the speedometer, the other to the odometer. The speedometer gear drives the odometer gear. In all likelihood, one of these gears is missing a few teeth. I have the same problem with my Ramcharger, same year.
More than likely there is a speedometer gear on your transmission that has a cable leading to the speedometer. These thiongs go out as they are usually driven from the gears in the tranny via plastic gears in the module. It is not hard to remove-one or two small bolts and it should slide right out. Their also very cheap to buy and replace. Good Luck!
It depends on what Fiero SE you own. There are two types. The earlier SE models, '84-'86, used a 85 mph speedometer for the four cylinder engine. It would not be until the '87 V6 model that the SE cars received the 120 mph "GT", as it's called, speedometer assembly. If you already have a 120 mph speedometer in your Fiero SE, it will work just fine. If it's the 85 mph speedometer, it will not, and would read incorrectly until you perform the necessary modifications to make it act like a 120 mph speedometer should.
The governor is located in the transmission it is a silver cylinder that goes inside the transmission unplug the unit and remove the two bolts that hold it in place."PRO TIP your speedometer will not work when the Governor is removed as the two work hand and hand...
an even number.
There is two wires on the rear drive shaft and they are probably broken. Have them soldered and it will work fine.
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