If a motor/tranny/ecu/harness was bought complete would it be any harder to swap it into a GS4 rather than a GS3?

 

we literally had this discussion like 2 or 3 weeks ago max. your a old member, im sure you know how to search, please do so next time....in this supplied link it will link to the wiring label kipod used when doing his

https://www.clublexus.com/forums/per...-in-gs400.html