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What makes ABS light come on trans shift hard in and out of 1st gear and speedometer stop working all at same time on a 93 F150 even after changing the speed sensor in differential?

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2006-03-19 04:55:00
2006-03-19 04:55:00

Take to local shop have them Run a ABS scan they can tell you why. Cost is approx $80.00

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The sensor in the differential may be bad. Also the wires going to the sensor may have rubbed against a brake line causing them to short. The sensor in mounted on top of the differential and reads the vehicle speed.

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plugs into the rear differential

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If your odometer/speedometer stopped working, then you must replace the "vehicle speed sensor" located on top of the differential if your have a manual transmission.

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You may need to replace the speedometer fuse. The speedometer cable can cause your speedometer to stop working. The speed sensor can also cause the speedometer to stop working.

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There is no speedometer cable. MPH is calibrated using a speed sensor. If your speedometer is not working, you have a bad speed sensor module.

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# 11....it controls the instrument panel....speedometer could be a seperste issue involving the speed sensor in the differential.

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If the speedometer and the odometer are not working, I would suspect the VSS (vehicle speed sensor). If only the speedometer is not working I would suspect the instrument cluster has problems.

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If the speedometer is not working but the odometer is, I would suspect the dash cluster is at fault. If both speedometer and odometer are not working I would suspect the speed sensor on the transmission is at fault.

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If the speedometer in your Voyager is not working, you might have a problem with a disconnected cable or with the fuse to the display. You could also have an issue with a sensor.

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The speed sensor in my 1998 Durango is located in the rear differential. Also has something to do with your speedometer reading ? Yes, the speedometer signal comes through the ABS computer from the rear axle speed sensor.

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If the speedometer and abs light are not working then you have a speed sensor problem. If the speedometer or odometer are not working then you will need to take it to the dealership and have them send it off for repair.

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There is an "ABS Differential Sensor" on top of the rear differential that controls your speedometer. Napa part number UP 530778 or UP 530846. take the old one in with you to make sure you get the right one. i believe there are 2 pin and 3 pin versions. FYI, the one you replaced on the transmission is for the powertrain control module. that's the one monitored to set your shift points, and i believe, to determine weather you are at a safe speed to shift in and out of 4wd.

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When this happened with my '00 Civic, it was a malfunctioning vehicle speed sensor (VSS). They typically fail any time after 115,000 miles. The part should be on top of the differential housing.

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Could be your speed sensor on your transmission

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It very well could be. A faulty speed sensor located on the top of your rear differential will usually also produce an ABS light on your dash. The replacement speed sensor is around $40 .

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The speedometer and speedometer cable tells the driver how fast the vehicle is going. What's called a Hall-Effect sensor is used. It uses the principle of magnetic inductance. When a magnetic flux passes through coils of wire, voltage is generated. To use this effect, a magnet is placed in the cars differential. The sensor then can tell when the magnet comes around by a spike in voltage. Since there is a constant amount the car moves with each differential rotation, and with the time between voltage spikes, you can easily divide to get the speed. This is why changing your cars tires will affect your speedometer. Your car assumes that car moves a certain amount with each differential rotation. If you have larger tires on, then each differential rotation (and axle rotation) your car moves further, and you'll move faster than indicated.speedometerspeedometer.A speedometer or Machmeter.The instrument that is used to measure speed is called a Speedometer. This may sound obvious, but it is the correct name for the instrument. All motor vehicles by law will have this.The speed of what? The one that measures the speed of a vehicle is called a speedometer.The device used to measure the speed of the car is known as speedometer.Transmission output sensor is usually used as the input sensor for the speedometer, also the braking system uses the wheel speed sensor to determine if a wheel is slowing faster(locking up).

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There is no fuse just for the speedometer. If the speedometer is not working, you may have a problem in the dash gauges cluster, or a vehicle speed sensor problem.

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Most likely a fuse blown (#8, speedo) or the vehichle speed sensor (ABS speed sensor) malfunction. Sensor is located on top of differential.

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check your speedometer sensor located back left of engine bay on top of the transmission


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