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700R4 Swap... Computer Code Issue


 
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DavidXJ
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Joined: 07 Sep 2006
Location: Visalia, CA

PostPosted: Mon Apr 28, 2008 3:21 pm    Post subject: 700R4 Swap... Computer Code Issue Reply with quote

I would love to put a 700R4 4-speed Automatic to replace my AW4 in my 1998 Cherokee classic, mainly for shifting reasons. I can get an engine/tranmission/transfer case for $150 from a guy who's moving. But...

Having a "Check Engine" code makes you not pass smog, and if I unplug my AW4 from the computer, it will forever produce an error code and illuminate the "Check Engine" light. Does anyone know if there is anything I can do about this, such as replace the computer with one from a 1998 with a manual tranmission? If a manual transmission computer would take care of the error code problem, would it cause any other problems?
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02tj
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Joined: 16 Jun 2005
Location: Ashburn Va, (Broadlands)

PostPosted: Wed Apr 30, 2008 11:27 am    Post subject: Reply with quote

I saw a swap in JP mag but think it was in a TJ, They ended up swaping in a manual computer from a 5spd tj. should work in a xj if you get the computer out of a 5spd xj. that way you get rid of the computer serching for gear selection and lock-out.
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DavidXJ
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Joined: 07 Sep 2006
Location: Visalia, CA

PostPosted: Wed Apr 30, 2008 11:33 am    Post subject: Reply with quote

Awesome. Thanks for the info. That seems to confirm my theory about a manual transmission computer.
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02tj
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Joined: 16 Jun 2005
Location: Ashburn Va, (Broadlands)

PostPosted: Wed Apr 30, 2008 12:13 pm    Post subject: Reply with quote

Awesome! good luck.
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