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MS2V3.0 Hardware Guide 3.3.2 Relay Board The 'Relay Board' is an optional add-on that may be useful for installs that do not have any existing EFI wiring. It
Not recommended for: • sequential installs • race installs • low impedance injectors • installs where the screw terminals connections may get wet. Main plug to Relay board cross reference DB37 # DB37 Name Relay Board # Relay Board Name In/Out Function Max amps 1-2 GND - Engine GND GND POWER GROUND - 3 SPR1 N/A Not available* (Comms) (CANH) - 4 SPR2 N/A Not available* (Comms) (CANL) - 5 SPR3 N/A Not available* - spare - 6 SPR4 N/A Not available* - spare - 7-18 GND - Engine GND GND POWER GROUND - 19 GND 14 TPS Ret GND Sensor GND - (c) 2014-5 James Murray 2015-07-09 Page 16/201 | |||