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OBD2 wont work after motor swap

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Old Apr 3, 2012 | 09:58 PM
  #1  
jeepin4fun97's Avatar
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From: Oskaloosa Iowa 52577
Year: 1997
Model: Cherokee
Engine: 4.0
Default OBD2 wont work after motor swap

Just did a motor swap a couple weeks ago and when i hook up my scanner it wont work. New motor is out of a 96 put into my 97 everything else works. Just woundering why the OBD2 wont work!
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Old Apr 3, 2012 | 10:00 PM
  #2  
captainwoot's Avatar
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From: Hanover,Ont, Canada
Year: 1991
Model: Cherokee
Engine: 4.o
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Won't work how? scanner won't work? check for powerand ground at the data link connector.
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Old Apr 3, 2012 | 10:09 PM
  #3  
captainwoot's Avatar
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From: Hanover,Ont, Canada
Year: 1991
Model: Cherokee
Engine: 4.o
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Pin 16 is B+
pin4,5 Ground
pin11 CCD bus -
pin3 CCD bus +
pin6 sci
pin7 sci
sci is wired directly to the pcm
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