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For use with our MS/FIC ready engine harnesses. Plug into engine harness and hook up to any external components needed (clutch switch, boost solenoid, wideband, etc), start tuning and race!

Will need a valid pinout of your MS box. MS is wired in as a piggyback controller. MS controls the engine and fan relay, stock PCM controls alternator, relays, IAC, etc.

MS plug in adapter harness

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