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Old 03-03-2017, 12:01 AM
Tuning Technologies Tuning Technologies is offline
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Join Date: Mar 2010
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Default Re: HKS3 V3.1 Wiring Diagram needed for 2015+Subaru WRX FA20 DIT

Thank you Richard. Here is the diagram that the shop who installed the system used.

https://goo.gl/photos/RR3p6rWtMt1Wr6cn6

As you can see its V1 and missing the very important lower section of the diagram compared to what you posted. I did see the HFS4 thread you linked to but I was unsure if it applied exactly to the HFS3 V3.1

The car is throwing a trouble code for the wastegate solenoid being unplugged.

the DR1 jumper was not installed and the prescaler jumpers were incorrectly configured. I went ahead and set those according to your posted diagram.

Please advise
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