FICM swap

dmaxn04

New member
Mar 1, 2009
186
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Ocean Springs, MS
What all has to be done to change the FICM on a LLY? I have a spare one that came with the new(used) motor I had installed. Im trying to narrow down a issue Im having. Is it easy as just swaping it out and cranking it right up or does it have to be programmed or anything? Here is the Part # off the one thats on the truck now 8973037511. The spare one we have the Part # is 8973037513. Will that work?
 
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