SOURCE: Intermittent Speedometer Operation
Your vehicle has the 4T60E transmission,and there is a speed sensor mounted on the transmission case that the vehicle's computer uses to compute vehicle speed,and relay it to the dash mounted speedometer.The best way to diagnose this problem is to first,hook up a scan tool that is available at automotive repair shops,and scan the vehicle for trouble codes first.Your vehicle probably has a stored trouble code along the lines of a Vehicle Speed Sensor (VSS).After pulling codes,go to the data stream on the scan tool and look at the VSS signal that the computer is seeing,and when the speedo acts up,and stops working,look to see if the computer is seeing,a speed signal.If the vehicle computer is seeing a speed signal,then it's probably the speedo in the dash gone bad.If the vehicle computer is not seeing a speed signal,then it is likely a problem with the speed sensor mounted on the transmission,or the wires right before it.So,to diagnose really requires a scan tool,with a data stream,or you could just have the speed sensor replaced,and hope that fixes it.The speed sensor is located on the passenger side of the transmission,only accessible from under the car,but where the pass side axle actually goes into the transmission,the sensor is directly above that point,and retained in the case with a 10 mm bolt.It has two wires going to it.Good luck.
SOURCE: I have a 2004 Chevy
Bad Stepper motors....the motors in your cluster are very weak... there is an upgraded motor x 25-168...cost 175.00 parts and labor to replace all of them. Ive repaired a lot of clusters with this very problem
SOURCE: my olds silhouette security light came on and would'nt start
I had a similar problem. Check your battery, it is probably on the verge of dying. My problem went away when the battery was replaced.
SOURCE: Speedometer, Tachometer and Fuel Gauges stopped working.
that is likely either a blown fuse... or a relay that is not working. i don't have the manual handy for your car to tell you which one it is. remember there is also a fuse panel located in the engine compartment, on some cars it's in the trunk. look for any blown fuses
http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html
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Toyota 4Runner: Temperature Gauge Sensor
http://technoanswers.blogspot.in/2012/04/toyota-4runner-temperature-gauge-sensor.html
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Temperature gauge sits over half way mark?
http://schematicsdiagram.blogspot.in/2012/04/temperature-gauge-sits-over-half-way.html
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Heater blows intermittently and temp gauge goes erratic?
http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html
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No heat on Oldsmobile Silhouette?
http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
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Temperature gauge does not move and no heat when heater is ON?
http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html
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Temperature gauge keeps fluctuating up and down close to red?
http://technoanswers.blogspot.com/2012/01/temperature-gauge-keeps-fluctuating-up.html
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Temperature gauge on the dash quit working on Pontiac Grand
Prix?
http://technoanswers.blogspot.com/2012/01/temperature-gauge-on-dash-quit-working.html
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Dodge neon gauges not working?
http://technoanswers.blogspot.in/2012/02/dodge-neon-gauges-not-working.html
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Heater blows cold?
http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
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Heat blows cold on drivers side and hot on
passenger side?
http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html
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1992 Lexus LS400: Engine overheats,
Antifreeze out of reservoir and heater Blows Cold Air?
http://whatisbyme.blogspot.in/2012/05/1992-lexus-ls400-engine-overheats.html
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These details will help.
Thanks.
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