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scanner/computer wont talk?

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

scanner/computer wont talk?

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Old 09-19-2006, 02:17 AM
  #1  
greenstreak9205
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Default scanner/computer wont talk?

so i finally got the car running well enough to bring it to my school so i could check it out. I was planning on hooking up the scanner up to it and finding out what the problem is (check engine). so when i bring it there i hook it up to the scanner and the damn thing wouldn't communicate with it. i seriously tried for hours to get the thing to read and i got nothin. i went onto ALLDATA and SHOP KEY, the programs that we have there, and went through a very elaborate process of pining wires to find voltage drops and ohming them out. this proved to be useless becase the last step that it offered was to use the scanner to find the problem [:@]. so that led me to nowhere. i found out from my cousin and my father that it never read codes on a scanner, just didnt wanna communicate. i was curious if you guys knew of anything like this? im sorry if i cant respond immediately with more info cuz the internet is really shady tonite but its a '92 auto. i have a handful of things done to it, but i guess it didnt read any codes when it was bone stock. any info would be GREATLY appreciated. i just want this thing to run before winter!
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Old 09-19-2006, 02:20 PM
  #2  
greenstreak9205
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Default RE: scanner/computer wont talk?

nobody has any clue at all? because if i cant figure it out, then the thing will never be drivin at all. i was just hoping that sombody might have a clue or have at least heard of this. thanks in advance. now i have to drive back to work cuz im gonna be late from my break!
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Old 09-19-2006, 09:07 PM
  #3  
mrbigshot
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Default RE: scanner/computer wont talk?

will the scanner do obd I computers? most wont if they do 96+ obd II's.

second you dont need a scanner to read trouble codes on a mustang just get yourself a 12v test light

trouble codes list
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Old 09-19-2006, 09:47 PM
  #4  
PONY GUY
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Default RE: scanner/computer wont talk?

I think that around the tiem they started to fadeout odbI and brught in obdII you might have aobd1 and II plugs . obdI is under the hood and the odbII is under the dash
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Old 09-19-2006, 09:52 PM
  #5  
Scout2232
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Default RE: scanner/computer wont talk?

Mine hooked right up to a snap-on scantool. You're using the port that's on the driver's side close to the firewall, by the hood hinge right?
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Old 09-19-2006, 09:57 PM
  #6  
black89gt
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Default RE: scanner/computer wont talk?

you have an ob1(snap on uses the FORD1-A or FORB1-B connector) i work at a transmission shop so i always scan cars for peple. and ob2 started in late95 and relaly started on all cars in 96
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Old 09-21-2006, 04:15 PM
  #7  
greenstreak9205
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Default RE: scanner/computer wont talk?

yea i used the snap on brick, the connector under the hood by the drivers shock tower, both plugs (big black one and the little grey one).
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Old 09-21-2006, 04:23 PM
  #8  
7upedition
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Default RE: scanner/computer wont talk?

the scanner is not OBDI compatable, it may not have the software to read OBDI , just OBD II! use the self tests in the stickies!
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