I have the 3 plug type ecu on my 96 classic wrx, i am trying to locate the speed sensor wire to atach my blitz power meter to, but theres lots of wires and cannot find a diagram anywhere.

Has any one fitted the blitz power meter to their car, could some one tell me what colour wire the speed sensor is?

also is the 3 plug ecu of an sti?

please help!

Thanks in advance

ps all the ecu diagrams ive found are the 4 plug type

 

JollyGreenMonster.co.uk any use

 

THANKS ALLOT MATE Just what i was looking for.