Transmission input shaft speed sensor

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Aug 7, 2017 | 10:13 PM

dlwoolsey

Thread Starter

Newbie

Joined: Aug 2017

Posts: 2

Likes: 0

Model: Cherokee

Transmission input shaft speed sensor

2000 XJ 4.0 auto trans. Input shaft speed sensor keeps going out. I am on my third one in a week and cant figure out what is going on. I need help with the rtouble shooting. I have shecked the harness but am not sure what voltage i should see at the plug with the key on/off and I cant find the pin out for the plugs on the computer to test for continuity. Help?

Aug 8, 2017 | 12:45 AM

djgrayxj

Senior Member

Joined: Jul 2011

Posts: 560

Likes: 25

From: West Covina, Ca.

Year: 1988

Model: Cherokee

Engine: 4.0

Note from DJ
This might be what you are looking for. Information was posted by CCKen

Aug 8, 2017 | 01:37 AM

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

You buying a name brand sensor ?

Aug 8, 2017 | 10:22 AM

dlwoolsey

Thread Starter

Newbie

Joined: Aug 2017

Posts: 2

Likes: 0

Model: Cherokee

No I am purchases them at the wrecking yard. They work fine for about 15 minutes and then go bad. I think that they are getting some unwanted voltage or something that is causing them to go bad. Thanks for the pin out that will help. any idea on where to get a factory service manual to look at.