# RB25 auto tranny wiring

**URL:** <https://forums.speedlife.net/t/rb25-auto-tranny-wiring/155359>\
**Category:** SON240sx Automotive\
**Created:** [May 21, 2010, 6:11am UTC](https://forums.speedlife.net/t/rb25-auto-tranny-wiring/155359 "2010-05-21T06:11:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Garth812](https://avatars.discourse-cdn.com/v4/letter/g/7cd45c/32.png) [@Garth812](https://forums.speedlife.net/u/Garth812)\
**Post date:** [May 21, 2010, 6:11am UTC](https://forums.speedlife.net/t/rb25-auto-tranny-wiring/155359/1 "2010-05-21T06:11:15Z")

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We are finishing up a swap of a KA24 to an RB25 in my 240sx…

Does anyone know the wiring from the KA transmission ECU. We have the RB docs… not the KA

They dont match the RB wiring colour and cant find any info so far online.

TIA  
Gary