Question about 1995 Jeep Grand Cherokee

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Electronics / wiring / Transmission

I am having a problem with the transmission not shifting past second. Its not a problem in the transmission. (had an extra one and swapped it... same problem). It runs fine in reverse and thru first. The Speedometer does not work. When the speedometer quit working, the transmission quit shifting. Once it shifts into second, the engine just revs up and runs the rpms up. if the speedometer were to kick in and work, which it does speratically. the transmission will kick in and work until the speedometer quits working again.. usualy only seconds. any help.. Thanks so much.

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  • Jeep Master
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You have two sensor in the transmisson which is the in put and out put speed sensor, and is located on the left side of the transmission. 
They are the primary input to the transmission control module which control your shift point and speedometer.
They are easy to replace and only held on by one bolt. Disconnect the wire connector and then the bolt. 
Replaceing is in revers and replace any fluid lost. If you could get it to the parts store and have the truck scaned, they could tell if you need both sensor or only one. Before you go out to the parts store, check the wire connections to see if there lose or broken which may be the cause of your trasmission problem.
Good luck and hope this helps and saves you some money

Posted on Apr 20, 2009

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Posted on Jan 02, 2017

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