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Swapping 2007 ecu into a 2003?

I have a 2003 seadoo sportster and a 2007 seadoo gti se 155. I am in the middle of swapping the ecu and harnesses from the 2007 GTI into the 2003 boat and just came across the crankshaft position sensor issue. My question is can I cut the connector off the 2007 harness and splice it into the 2003 harness connector and run the 2007 ecu and harnesses with the stock 2003 crankshaft position sensor location?
 
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