odb2a dizzy with obd2b ECU?

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crow

New Member
im using a obd2a motor on my car which is a 99 ex with a 2000 SI harness the plug matches but theres only 1 wire thats missing on the harness plug a blue wire can i just plug in the ecu and fire it up or i need some kind of mod to the dizzy maybe?
 
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