I am looking to replace an ecm on my 1999 mercury cougar does the model...

  • Thread starter Thread starter casey c
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casey c

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...number have to be exact on the new ecm I am changing the ecm on my 1999 mercury cougar and i have found that I they are really easy to find but it seems to be almost impossible to match them up exactly.... do you know if the model numbers have to be exact... for instance my ecms model number is 98bb-12a650-cea and I found one with the number 98bb-12a650-gd... they are from the same model car however their numbers do not correspond. Is that a problem?
 
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