micra 1.3 in 1.0 car

will it harm the engine running a 1.3 on a 1.0 ecu because looking into it the 1.3 transponder plug is different to the p reg 1.0 transponder so cannot plug the 1.3 transponder in to de imoblize the ecu to start the car thanks
 
cant de immobilize the 1.3 ecu because the tranponder plug is different on the 1.0 harness can i get a 1.3 non nats ecu plug it in and work ??
 
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