4 Port Boost Solenoid
Installation & Plumbing

EX – Vent
IN – From Turbo Compressor or Boost Pressure Source
A – To Top Section (Diaphragm) of External Wastegate
B – To Bottom Section (Diaphragm) of External Wastegate
 
Wiring Instructions:
For OBD1 Honda ECU (Hondata S300, Neptune RTP, and any Chip Software that uses the EGR Circuit), supply 12 volts of switched power to one wire of the solenoid, and then take the second wire of the solenoid and run it to pin A11 of the ECU
For 02-04 K-Pro installation, supply 12 volts of switched power to one wire of the solenoid, and then take the second wire of the solenoid and run it to pin B21 of the ECU
For 06-11 Civic SI and Flashpro Installation, supply GROUND to one wire of the solenoid, and then take the second wire of the solenoid and run it to pin B2 of the ECU for a Civic or pin B16 for the S2000/TSX