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91 cherokee fuel pump wont come on

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Old 11-26-2012, 04:01 PM
  #16  
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Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
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Originally Posted by sparky
I checked fuses and relays i changed the ignition switch but on the computer there is the L shaped data test port and if i ground top right prong with the key on the pump will come on but i also checked and i do not have fire either could this be the computer bad or is there a way to test the computer
no spark.....id dcheck all connection for water .
Old 11-26-2012, 04:29 PM
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I checked every connection for water and corrossion didnt find any is there any way to test the computer
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