Question about 1997 Chevrolet Astro

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I have a 97 astro van that had the transmission replaced. Transmission shop stated that the van had a problem with one of the electrical sensors and that they could not repair it. They would not tell me what sensor so I replaced the VSS sensor and the Speedometer Sensor and the van still acts lioke it will not shift into high gear. The OBD II Reader says shifter sensor off or stuck. Where is the shifter sensor? or is this the Shifter Solenoinds inside the trany? It gives the letter codes CKT 1 of 2 ???? Any ideas as to what other electrical problem might be? Help

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The solenoids that control shifting are inside the transmission under the trans pan. ckt 1 and 2 refers to shift solenoids 1 and 2.

Posted on Feb 19, 2009


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If you will ask ther others mostly on car company they 'll sey replace . I guess you' ll just have to look at the wiring and repair the damage of the circuit . now the alternator check the rotor coil and the bushing . It looks like your car is made in different models you can replace the spare parts if it is not anymore working . but first try to do atemp on fixing them . since all the damage is only wirings try to use tester amplepier. this one is use for circuit problem . remember that black is for positive and red is for negative . if first check goes to the negatvi fix . and if the tester wont work on the circuit of the spare part replace the spare part.

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