GrimmSpeed Mazdaspeed Electronic Boost Controller - Manual (Page 10)

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1. You will be installing the GrimmSpeed solenoid on the firewall above the turbo. You will
be using the existing two factory studs. Place the provided rubber washer on the left stud
and the rubber grommet on the right. Install solenoid on studs. Using the provided nylon
locking nuts, tighten bracket.
2. Follow MazdaSpeed 3 instructions starting at Step 8.
F. External Wastegate(EWG) Installation
Hook up vacuum lines. See Figure 3. Port 3 connects to a high-pressure boost source (there is
a vacuum nipple on the turbo compressor outlet). Port 2 connects to the bottom port on the
external wastegate. The factory restrictor pill should be removed for operation. It is
recommended that a plastic zip tie is used to secure vacuum lines. The electrical is plug and
play with the supplied connector.