Hello guys..i have a Bee*R rev limiter type-b..got it for a cheap price but there is little problem cuse the instuction manual is in japanse..it is a universal product so it has to fit on the 420a as well..my question is does anybody know how to instal this..i need to find the rpm signal wire from the ECU..and the ignition wire..maybe a pinout from the 420a ECUor a write up on how to install this launch controller and ak 47 boombastic flme thrower..i hope you guys can help me..Thanks..sorry for my english im from the netherlands so please dont judge my writing.