Will a 96 Marquis ECM/computer work in a 99 Marquis?

Tiny
DAMIEN12
  • 1996 MERCURY MARQUIS
  • 120,000 MILES

I have a 99 grand marquis motor in my expedition(i did a 5.4 to 4.6 swap) and I was told too change the ecm cause its smoking real bad and the car was crushed and I was wondering would a 96 marquis ecm work?

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Wednesday, July 18th, 2012 AT 1:10 AM

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Tiny
HMAC300
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  • 45,711 POSTS

It might but your wiring probably changed as well a what hooks up to what. I wouldn't suggest it besides it needs to be the same engine/trans. Etc. I may damage other components

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Wednesday, July 18th, 2012 AT 2:12 PM

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