A17 PWM Mod:


Note, PWM is + signal with this mod.

If you have a Auto ECU this is already functioning.




On a Manual ECU youll need to add IC16.


There are 3 versons of SK transistors, Youll need to check the ones next to it to see what version you need.
SK5050
SK5151
SG5152

They are not interchangable.

Caps C75 and C76 can be left out.