wasted talent Posted September 24, 2017 Report Share Posted September 24, 2017 (edited) I have a g4+ v1/2 wrx plugin in a bc5 legacy RS.My question is what output/input needs to be turned on for the water to air intercooler pump to run?Also can it control the hi and low speed of the pump?Many thanks Edited September 24, 2017 by wasted talent Add info Quote Link to comment Share on other sites More sharing options...
Adamw Posted September 24, 2017 Report Share Posted September 24, 2017 It looks to me like the intercooler pump is on pin 92, the WRX ecu has nothing connected to that pin so it wont be able to control it without some modification to your wiring. You could maybe move that wire to the purge solenoid position or connect it to one of the spare auxes on the expansion loom. Quote Link to comment Share on other sites More sharing options...
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